Polar OH1+ | Análisis completo del sensor de pulso óptico independiente


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Polar nos sorprendió hace algunas semanas con la presentación de su nuevo sensor Polar OH1+. Es un sensor óptico independiente que utiliza la tecnología diseñada por ellos mismos (y que anteriormente ya hemos visto en relojes de la marca) que puede ser usado en dispositivos a través de Bluetooth o, como ya ocurriera con el Polar H10, almacenar datos de varios entrenamientos en su memoria integrada.

The sensor you see here is a test unit provided by Polar. As always it will be returned, so there is no compensation from you. All my opinions are always free of any pressure as I do not depend on the manufacturers at any time.

You are the ones who allow this page to keep working with your purchases, so if you like the work I do and want to keep seeing this kind of items you can help by buying through the links I provide (ya sea el OH1+ o cualquier otro producto que te apetezca en Amazon, cualquier ayuda es bien recibida).

No quiero adelantarme demasiado en la explicación inicial del OH1+, mejor entrar directamente en materia. He estado trasteando y entrenando con el Polar OH1+ durante algunas semanas y éste es el resultado.


When brands provide me with a product, they usually send it in its original box, as if I had bought it in a store, so I can also show you what the packaging looks like, what it contains, etc.

It's standard procedure, but sometimes this doesn't happen. Is it important? Well, no, the only thing I won't be able to show you are pretty pictures of the box.

In this case I simply received an envelope with a name written on it. Will it be me? Hopefully it comes full of fresh bills...

Polar OH1

Oh! disappointment (sorry for the pun...) There is no money inside, just a strap and a sensor.

Polar OH1


I will start by opening the strap. It is an elastic band that can be adjusted in length. It integrates the sensor holder, which cannot be removed and is made of plastic. Depending on where you want to use the sensor you can adjust the length of the strap. It should be firm on the arm, but not hurt or cut off the blood supply. As long as there is no amputation there will be no problem.

Polar OH1

This is how the sensor is placed in the holder itself, simply by inserting it into the plastic. It doesn't matter if the button or the LED is in one place or another, because the sensor is totally symmetrical. Of course, we want the sensor to be facing outwards, we don't want to measure the pulse of the belt.

Polar OH1

By the way, as you can see from the inscription, waterproof to 30 meters.

What was the other thing you saw in the first image with USB connection? Well, the sensor inside the small synchronization and charging pod. Like the strap, you only have to place the sensor inside, but this time you have to take into account how you place it since the connection pins must match the corresponding location on the sensor.

Polar OH1

Once placed inside, this is how you should put it in charge. No charger is included but you can use any mobile phone charger or if you prefer, connecting it to the computer port.

Polar OH1

In addition to charging it while it's connected, you can also perform data synchronization, although the most convenient way to connect is via Bluetooth with your mobile phone. Let's see what the sensor offers in more detail.

Polar OH1+, ¿Qué es?

El Polar OH1+ es simplemente un sensor de pulso. Como su propio nombre indica, es óptico; y es que Polar OH1+ significa Optical Heartrate One. Así pues el primer sensor de pulso óptico independiente de Polar. No, no se rompieron la cabeza para darle nombre.

An independent optical pulse sensor... it doesn't seem like anything new. In fact it is very similar in concept to the Scosche RHYTHM+ and, a little further away (because of its location on the body) to the Mio LinkBut that's the first impression.

Unlike these two, the Polar sensor only transmits data via Bluetooth, which puts it slightly behind since both models are capable of using ANT+ and Bluetooth simultaneously.

Update 23 April

Polar has launched an upgrade to provide ANT+ connectivity to the OH1

>> Details

Para compensar esa diferencia Polar ha incorporado una memoria interna en el OH1+, lo que permite grabar actividades de forma independiente sin necesidad de transmitir datos a ningún otro dispositivo externo. Y ésta es tal vez la característica más interesante.

En cuanto a tamaño, el Polar OH1+ es notablemente más pequeño que los otros dos.

Polar OH1 - RHYTHM+ Mio Link Comparison

Polar OH1 - RHYTHM+ Mio Link Comparison

And to give you an idea of its real size, there is nothing better than comparing it with something you know perfectly well. Its diameter is slightly larger than a one euro coin.Polar OH1 - Size Polar OH1 - SizeAnd what about the thickness? Well, here I have already had to increase my budget, as it goes up to 4 euros.Polar OH1 - SizeIf you want to know how it will feel on your arm, just find four euro coins and put them on your arm with a rubber band. Shabby, but effective.

The sensor must be placed on its strap, which has a plastic coupling that can be slipped on. The strap, besides being elastic, also allows regulation, so you can place it in many places, the most common being the forearm or the top of it. It could also be worn on the wrist, but the two previous locations are better for good results.

And obviously, you'll want to wear the LEDs and the photoelectric sensor on the inside.

Polar OH1 - Forearm

Polar has made a very simple sensor, in fact we only have one button with which to turn the sensor on and off.

Polar OH1 - Power Button

On the opposite side there is a control LED that will give us basic information about the operation. That LED is quite powerful, if you train near an airport at night you may have some problem...

Polar OH1 - Status LED

Depending on the number of blinks and the colour of the blink, you will be able to know basic status data. It will light up green when it is detecting the heart rate or white if there is a problem. It will light up red when the battery is low or blue when we are synchronising via Bluetooth. And the number of blinks can also vary. All of this is described in the instruction manual.

Polar OH1 - LED states

As far as charging is concerned, there is the other adapter that is included in the package. We simply have to remove the sensor from the strap and place it in the charging adapter. This same adapter will be useful if we prefer to connect the sensor to the computer instead of synchronizing it with the phone.

Polar OH1 - Connection

Modes of use

Antes de comenzar a usar el Polar OH1+ lo primero que deberías hacer es conectarlo con el teléfono u ordenador. No por hacer la configuración inicial para indicar dónde lo vas a llevar -que por mucho que diga el manual, simplemente sirve para datos estadísticos de Polar-, sino por comprobar si hay alguna actualización de firmware disponible.

Once you have everything set up, it's time to start using it. We have two modes of use:

  1. As a sensor associated with a device - Use it with a device such as a watch, phone, etc. Not just Polar, but any watch that has Bluetooth sensor connectivity. Remember that it is not ANT+ compatible.
  2. As a separate sensor - Without being associated with any other device, it can record the heart rate data of any workout. In this mode it also allows you to transmit heart rate data, for example to gym machines that have a Bluetooth connection.

The first mode is the most basic of all, replacing any other sensor you may have previously. It is the default mode that the sensor is in as soon as it is turned on, and we can tell that it is in that mode because the status LED blinks only once (either in white or green).

To link the sensor to any device it simply has to be switched on, no pairing mode needs to be set. Once switched on you only have to do a sensor search.

Polar OH1 - Connection

After matching you will have the heart rate data on your screen.

Polar OH1 - Suunto

You might say why not try it with Polar models... Well, precisely because the beauty of a standard like Bluetooth is that it allows everything to communicate with each other, regardless of the brand. So the device you're recording your workout with will be the one that records and stores the data, whether it's a phone or a watch. Simply a sensor.

Es el segundo modo de uso en el que el Polar OH1+ supone algo novedoso ya que puedes usarlo de forma independiente sin estar conectado a ningún otro dispositivo. En este modo también estará transmitiendo datos a través de Bluetooth, por lo que por ejemplo puedes tenerlo conectado a una máquina en el gimnasio y ver tus pulsaciones a la vez que guardas la actividad para sincronizarla en casa.

To put the sensor in this mode, you simply have to turn it on first, and then press the button twice to start recording data. From then on, the status LED will start flashing twice instead of once, and will continue to use the same color code.

When you finish training, just quickly press the sensor button twice again. Please note that when using this mode it is not possible to temporarily pause the recording, when you press the button again it will start recording a new session.

El OH1+ dispone de capacidad de memoria suficiente para almacenar hasta 150-200 horas de datos de entrenamiento. Dichos datos se podrán descargar conectando el sensor al ordenador o a través de la aplicación Polar Flow, disponible para Android y iOS.

Once the sensor is synchronized this is how you will see it on the Polar website.

Polar Flow - Training Synchronization

In this case I have changed the activity type manually (through the mobile application, not on the web), since by default it will be saved as a generic indoor training.

Heart rate data comparison

Ahora que ya está todo claro acerca del sensor OH1+ de Polar es el momento de hablar de lo más importante: la calidad de los datos que proporciona. Por muchas funciones que pudiera tener el sensor, si el registro que realiza no es correcto lo cierto es que no serviría para nada.

Polar is the only manufacturer that has two different optical sensors; a more basic one that is the one we can find in Polar's more economical range (M2oo or A370, for example) but not for that reason with bad records, and another one which is the one we are concerned with and which we can see in the M430 or the M600.

Mi experiencia con este sensor siempre ha sido bastante buena, y en el caso del OH1+ espero que sea todavía mejor por dos motivos fundamentales: peso y ubicación.

First of all, in terms of weight, as the sensor is very light (only 5 grams) it hardly suffers from movements or vibrations. Compared to watches of 70 or 80 grams the differences are remarkable.

En segundo lugar, al poder colocar el sensor en el antebrazo o en la parte superior del brazo, estamos llevando el sensor óptico en un lugar mucho más fiable para obtener un buen registro de pulsaciones. Porque estamos evitando bastante los movimientos propios de la muñeca al correr, o las vibraciones del manillar de la bici o al realizar cualquier actividad; y porque son zonas mucho más «carnosas» en las que es mucho más fácil para el sensor encontrar el pulso.

Así que antes de comenzar a probar el OH1+ las expectativas ya eran bastante altas. He realizado entrenamientos con el Polar OH1+ en diferentes deportes, siempre comparando gráficas con otros sensores de pulso, y aquí tienes los resultad0s.

I'll start with a simple basic workout that is very affordable for any pulse sensor, whether optical or chest: 12 minutes of warm-up, 12 minutes at a faster pace, and I'll finish with 12 minutes of cool-down, but all without major changes in intensity beyond the start and end of the core period.Comparison of Polar OH1 data

Durante el calentamiento hay una situación extraña con el registro del Polar, y es que mientras que los otros dos sensores tienen ligeros ascensos y descensos de una o dos pulsaciones como es normal, la gráfica del OH1+ es prácticamente una línea recta. No quiere decir que el registro sea malo, de hecho como indico se sitúa a 1 o 2 pulsaciones de los otros dos, pero destaca tanta linealidad.

I won't take it too much into account since I made this first test with an old firmware version, but it's simply something that catches my attention. It's also possible to appreciate a small delay in the moment I start to increase the rhythm, which is also perceived in the Scosche's graphic but to a lesser extent.

Comparison of Polar OH1 data

Durante el resto del intervalo la frecuencia va aumentando progresivamente al mantener una intensidad constante, y cuando finalizo (y me detengo a propósito para provocar una caída rápida del pulso) todo perfecto. Tanto el Scosche como el OH1+ tienen un ligero retraso con respecto al sensor Garmin en el pecho, pero nada importante.Comparison of Polar OH1 data

We are now going to go on with another more complicated training and, now yes, with the latest firmware version on the device. In this case it is not a training series with sudden changes in intensity, but it is one of constant ups and downs so despite trying to maintain a stable pace there are slight changes in heart rate.

Los actores son los mismos, sumando también en este caso el sensor óptico del Suunto Spartan Sport Wrist HR. En este caso la gráfica que nos interesa observar es la de color verde, que es la que corresponde al Polar OH1+.

Polar OH1+ | Análisis completo del sensor de pulso óptico independiente 9

As it is always the case with almost all sensors (optical or pectoral) it is always difficult to have a total match from the beginning, a warm-up time is necessary. In this case all start to mark the same after 40 seconds, although the Scosche decides to have a momentary loss until it marks the correct again. It also has two sudden drops, probably due to a punctual cut in the transmission.

En este primer tramo el peor parado es el Spartan Sport Wrist HR, que tiene algún problema puntual en los momentos donde acelero ligeramente el ritmo. Mientras tanto la gráfica del OH1+ está feliz junto con los demás sensores.

Polar OH1+ | Análisis completo del sensor de pulso óptico independiente 10

From that moment on? Happiness continues among the four members of the comparison.

Comparison of Polar OH1 data

Another training of variable intensity, but at a lower pace. Pre-race activation by doing short intervals increasing the pace and then jogging again.

El inicio como siempre algo irregular, con el OH1+ y el Garmin 935 necesitando algún segundo más para situarse en sintonía. El Fitbit Ionic también se muestra errático pero rápidamente se une con los demás. Mientras el ritmo permanece estable y fácil hay total sintonía.

Comparison of Polar OH1 data

If we take the HRM-Tri sensor's graph as correct -which, looking at its development, seems to be the most accurate- we see that the other three optical sensors suffer from the same defect: a slight delay in the recording.

Cuando la gráfica del sensor de pecho sube o baja, tanto Polar OH1+ como el Garmin 935 responden a la par y con la misma intensidad, aunque con dos o tres segundos de retraso, pero siempre en sintonía. El Fitbit Ionic muestra un rendimiento ligeramente inferior

Comparison of Polar OH1 data

In short, very favorable results in race training, let's explore other sports.

Si habéis seguido con anterioridad las pruebas de los sensores de pulso óptico sabréis que si bien la carrera no suele presentar muchos problemas, es cuando montamos en bici cuando aparecen las complicaciones. Así que veamos cómo se comporta el OH1+ a la hora de dar pedales.

Here in theory there should be five sensors instead of four, but unfortunately one of the watches I was wearing to record data (a Forerunner 230) changed sensor without me noticing, so the HRM-Tri's record is duplicated instead of having additional data from the Scosche.

The training consists of two parts (and a last cooling down), with an initial period doing ascents to 16-18% with their corresponding descents, and then a session of 9x3min intervals on the flat. Varied training to be able to extract a lot of information from the sensors.

Comparison of Polar OH1 data

Nos interesa la gráfica morada, correspondiente al Polar OH1+. A pesar de no tener el Scosche, sí hay otro sensor óptico en la prueba: el integrado en el Garmin Forerunner 935. Y doblo la apuesta por los sensores de pecho ya que además del HRM-Tri llevo también el Smart Sensor de Suunto.

In the first part of the training you can see how both the Garmin optical sensor and the Suunto chest sensor are having a hard time. The poor recording of the first one was to be expected, the incorrect data from the Suunto chest sensor is much stranger, and is probably due to movements of the tape when two are worn together. It serves at least to confirm that we should not always trust the data from the chest sensors.

On the other hand, the Polar sensor is quite well synchronized with the Garmin sensor, which in my experience (not with the sensor, but with the effort applied) is the one that shows the most accurate data this time.

Comparison of Polar OH1 data

La sección de intervalos es bastante más positiva para el sensor óptico del Garmin aunque continúa teniendo ligeros desvaríos. Mientras tanto todo continúa tranquilo en casa del Polar OH1+ que, salvo por un ligero retraso en la subida y bajada de las pulsaciones, realiza una gráfica sin artificios raros.

Comparison of Polar OH1 data

The same can be seen in the cooling itself, where except for a small delay in the Polar's graph, everything continues to be perfect.

Comparison of Polar OH1 data

The result does not surprise me at all, because as I have already indicated, the location of the sensor on the forearm is much more beneficial for correct readings. Here it is not at the expense of all the vibrations to which the watches are subjected. It is not that Polar's sensor is infinitely better than that of the other manufacturers, simply that it is located in the most satisfactory position as it is independent of the watch itself.

And I'll leave one of the best parts for last. Remember I said it's waterproof? And that it allows you to record in its memory without the need for an external device?

Yes, it can also be used for swimming, and it can record the heart rate of your training session perfectly as you can see in the comparison against the Garmin HRM-Swim sensor.

Comparison of Polar OH1 data

No tendrás datos en vivo ni podrás consultarlo mientras estás entrenando pero el registro es francamente bueno, clavando uno por uno todas las series de intervalos de 100 metros realizados en la piscina. Y puedo decir que durante todo el entrenamiento no hubo ni un sólo movimiento raro ni molestia por parte del OH1+; mientras que el sensor de Garmin, a pesar de ser el modelo específico para natación en piscina, sí se escurrió una vez al impulsarme con fuerza en la pared.

In short, an outstanding result for the Polar independent optical sensor, which would only be able to record the pulse variability in activity to aspire to be the replacement of the Polar H10, because in terms of recording heart rate I can certainly give a remarkable high.

Comprar Polar OH1+

I hope that this complete analysis has helped you to decide if it is a valid device for you or not. All the work I do you can consult it without any cost, but if you want to support the web and with it the work I do, the best way to do it is to buy your new device through the links I provide below. And if you don't buy it today, remember to stop by when you are going to do it!

Through these links not only will you get a very competitive price and the best customer service, but I will also receive a small percentage without costing you any additional outlay, which is what allows me to continue offering you proofs like this on the page.

If you have any questions, remember that you have the comments section at the bottom, where I will try to answer all your questions.

Opinión Polar OH1+

Polar OH1

Con el Polar OH1+ me ha ocurrido lo mismo que con otros dispositivos este año. Inicialmente me da la impresión de ser algo que el mercado no necesita o que no aportará importantes novedades, pero que tras un tiempo de uso crece en mí una sensación de apreciación que anteriormente no tenía.

Cuando se presentó el sensor por primera vez me pareció algo innecesario; especialmente por la ausencia de conexión ANT+ que, diga lo que diga el fabricante, limita su capacidad de venta. Desde un punto de vista empresarial Polar está perdiendo dinero al no hacer el OH1+ con tecnología dual Bluetooth/ANT+.

But as I've used it, I've liked it more and more. The good recording it makes at all times is of course the most important thing, but what I've liked most is the ability to record workouts. It's very easy to put the sensor into recording mode and it's always been very reliable both at the start of the activity and at the end. Likewise, the timing of activities has always been perfect, without a single glitch. The only thing we can miss is the ability to put the sensor on pause while we're resting in a workout, but adding more features can jeopardize the simplicity and immaculate operation of the sensor.

Maybe it's not for the sports I practice, since I always require more information and in real time, but the exercise recording function and the ease of doing it (unlike the Polar H10, which requires you to start the recording from the phone) is simply fantastic, not to mention all the possibilities it opens for me to use it to perform analysis of other optical sensors.

En comparación con el sensor de Scosche es igual de preciso en medición, pero si no necesitas la conectividad ANT+ decantarse por el OH1+ es fácil. No sólo por su posibilidad de registro de actividad en memoria, sino también por su menor pequeño y mayor autonomía (12 horas el OH1+ por 8-9 del Scosche). Pero de nuevo, la principal (y única) pega es la ausencia de conexión ANT+, que impide poder usarlo con dispositivos de Garmin anteriores a 2017 o Suunto anteriores a 2014.

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Overall - 9
Training possibilities - 8
Platform and applications - 9
Autonomy - 9
Finishes and comfort - 8
Price/performance ratio - 8



User Rating: 4.6 ( 1 votes)

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  1. Hi, first of all congratulations for your analysis, I haven't seen others with so many graphics and so much detail.

    I run and go out with the mountain bike on the weekends and the only thing I want to do is to control my heartbeat, the rest I don't care, that's why I was between a chest band or a watch with an optical sensor.

    I've had bad experience with watches (Samsung Gear) but seeing that manufacturers are betting on them and becoming more reliable I had doubts between:

    Polar M430, Garmin 235 and Suunto Spartan trainer (all mid-range 200 and up euros)

    But now the Polar OH1 appears... so I don't know what to buy.

    I'd appreciate your advice

    1. The Polar OH1 can do really well if you only want to consult heart rate data after training. If you want to consult it you will need another external device, but few more reliable sensors you will find for MTB.

  2. Hi, Eduardo,

    First of all, congratulations on your great work on every analysis.

    Which of the three optical sensors, Mio, Scosche or this Polar OH1, would you choose to use in combination with a GPS and/or smartphone watch, taking into account the characteristics of each one?

    Thank you,

    1. It mainly depends on the watch you have and what connectivity it uses.
      But today, unless you need ANT+, the best option is the Polar OH1.

  3. I am a bit new to this, but I have some doubts about how it works in activities such as crossfit, bodybuilding in the gym, etc. These types of activities have many pauses, for example in crossfit practicing the exercises, preparing the elements, duet work in which one works and the other rests. Since I can't pause the session, would it influence anything? I currently have a polar watch and I have always doubted about the issue of pauses.

    1. It does not influence anything, you will be able to see perfectly the separate exercises within the session with your rest periods and work periods.

  4. Hi, I have the Garmin Vivosmart 3, would it be compatible with this device?, could the data be added to Garmin Conect?

  5. Good afternoon, first of all thank you for your work, I practice pilates and spinning, for the first one it is good for me to record the exercise at the end of the workout, but my doubt is if for spinning I can visualize the frequency in % all the time in a Samsung smartphone during the exercise with the polar beat app.
    Thank you for your attention.

    1. I haven't tried the Polar Beat application, but I guess that data field will be available for use.

  6. Hello Eduardo, thanks for your contributions, at least for those of us who are in the tow of so much technology.
    My question is that I was given the V650 peeled and very happy, but to get more out of the gps, would it be compatible with OH1?
    a greeting

  7. Good Eduardo, first of all thank you for your extensive and comprehensive analysis, I needed to read something so complete to clarify several doubts and end up deciding to buy the OH1.
    I have a Polar V800 that I use with a H7 chest strap, my doubt is if this OH1 sensor can replace my old chest strap. I explain: I read that it can record data independently... but if I wear the OH1 and also the Polar V800, will the data appear in real time on my watch?
    And another little doubt that I have not been completely clear about: If you use it independently without the watch, does it record the distance travelled?

    1. Yes, you have two modes of use and in the basic mode you will simply be sending heart rate data to the watch.

      As for the distance not, used independently you will only have pulse data.

  8. Fantastic review. I haven't seen so many details in the reviews anywhere and it's exactly what I was looking for as I was thinking of buying the oh1 for black Friday if it came out or Christmas. I have a v800 and the chest band has been giving me some impressive scratches for a few months now.
    With your review, I'm even clearer. Thank you very much, and congratulations on the site. Great job.

  9. Hi there, I've been looking at this device for my dad since the chest pulse meters don't recognize his pulse, the idea would be to connect it to a garmin edge 1000, the problem is I don't know if it can be connected.
    You know if it could be used, and if not, what device would you recommend to connect it to the edge,.
    Greetings and thanks

  10. Good afternoon.
    I have a question I would like to ask you, would it be possible to use this polar sensor in conjunction with a Garmin Phoenix five to record data from swimming sessions and have this heart rate data appear on Garmin .
    Thank you very much for your work...

  11. Hola, en primer lugar muchas gracias por tus Reviews y por echar una mano a los que te escribimos preguntando. Yo me compraría este sensor para usarlo entre otras cosas en natación con mi Fénix 5, colocándolo en modo grabación sería posible que al terminar el entrenamiento de natación los datos de frecuencia cardíaca pasasen al Garmin y pudiese luego ver dicho registro en la página de Garmin?

    Thank you very much in advance for your response.

    1. No, you could save it in memory and synchronize it with Polar, but not link it to the activity recorded by the Garmin

  12. Hi Eduardo, a few days ago I got the sunnto spartan sport wirts wr and I am thinking about this new polar band, for when I go MTB biking and swimming in open water. My doubt is if swimming in open water, with the Polar band H10 I can visualize the pulses in my sunnto, or if by the transmission of the frequency under water does not go well with the sunnto, since the new band OH1 you can not visualize in water the frequency. Is it possible that polar will bring out a new band in the near future that you can see under water the pulses with the sunnto. Greetings

    1. No, the memory function has to be exclusively through the Suunto pulse sensor. No other brand can offer this, because there is no standard in Bluetooth that makes all watches work the same way.

  13. Hello, Eduadro!

    Very good review, congratulations for the work. I just wanted to ask you a question to confirm my suspicion. As I do not have ANT+ I understand that it is not possible to communicate directly with the sensor with the watch (in my case the V800) during a swimming session, am I wrong? So far I swim with a chest strap and I'm doing perfectly except that obviously when making the turns I often move and it is somewhat uncomfortable.

    When I read your article I thought that the Polar OH1 could be the solution but the problem could be that it does not emit the signal to the watch underwater. Can you confirm this?

    Thank you very much and a greeting!

  14. Hi! Excellent review. I'm just considering this equipment. My wife has two Garmin watches, a 230 and a 630. Will this sensor register FC in either of these two watches? We're looking for an option to the classic chest sensor.

  15. Buenas tardes, un dato a tener en cuenta es lo cuidadoso que se tiene que ser en su utilización. En mi caso el cambio de ropa, así como de deporte, hace que es muy fácil perderlo. Añadir que el enganche del dispositivo a la correa no es del todo rígido y se desprende de la misma.

  16. Hello.
    The article is very good. But I clearly didn't understand the connectivity thing... I can't link it to my Garmin Vivoactive or the Edge 520... I thought these two devices also used bluetooth to link others... Return touches, right?

  17. Hello! Eduardo!
    I have an M430 polar fleece, I would like to buy the oh1 for those sports where the clock is more complicated (bike, crossfit, etc). My doubt is, if I use the band with the clock linked, can I still manage everything from the clock or yes or yes with the cell phone, e.g. to be able to pause, start the session, see data in real time, etc. but let the band sensor do the measurements. Thanks!

    1. Yes, you can start the activity from the clock and make the recording when you mark it with the start and end of the activity.

  18. Hello, according to what I read, it would be possible to visualize the data of the polar Oh1, in other devices.
    On a Garmin 520 you can?
    And in a Suunto traverse?

    1. Only with devices that support Bluetooth sensors. Edge 520 only ANT+ (Edge 520 plus yes).

      Suunto no problem

  19. I like to train with heart rate zones, I would like you to let me know when I get out of them. I use it directly with my mobile phone. Thank you very much

    1. That depends on the mobile application you use and what it offers. The sensor simply reads the heart rate.

  20. buenas tardes felicitaciones por el análisis, quiero saber si puedo utilizar la banda con mi celular y a la vez utilizarlo con mis audífonos bluetooth

  21. Well, I have used it in several sessions trying... The data seems good, but now that I have a Garmin 935 and I use it for continuous training, even if I take it freshly charged, at the time it is already alternating red and green light, and at 3 hours, without battery... It is supposed to give for 12 hours...
    Mis actividades suelen durar hora y poco… Pero a veces salgo en bici y pueden ser más, como hoy… y a las 3 horas… Sin batería… La banda de pecho siendo dual, y con una pila CR de botón, se tira meses y meses de entrenamientos… 🙁
    Is that normal? Using it as a sensor, with no memory...
    Because we bought it by Amazon and returning it would be complicated, I guess...

    1. No, it's not normal, the battery life should be much longer.

      Contact Polar technical support and have them send you a new one, or contact Amazon and they will arrange for a return and exchange as well.

  22. My doubt:
    My M430 is useless in CrossFit, because it goes by pulses and in the wrist when the tendons are in tension does not record the pulses, gives random numbers almost.
    In the OH this will not continue to happen as the arms are in constant tension ... I just do not know whether to risk with the OH1 or secure with a chest strap, the H10.

    Greetings and thank you!

    1. CrossFit is quite complicated for any sensor, even the chest one because it will also move quite a bit.

      I think that the best option may be the OH1 because of its lightness and because being a more fleshy area the reading is easier.

  23. I have an m400 and I am hesitating between oH1 or H10, which would be more accurate and would see real time clock ticks?

  24. Eduardo, I don't know what I'd do without you... I always trust your judgment and you've never failed me.
    I have a series of questions:
    - Background: I have a Vivoactive 3 and I am not at all happy with the recording and control of pulses in the different activities I do (I only trust when I am running on a treadmill or outside): spinning, cardio, etc ...
    – Soluciones que creo que tengo: Comprarme un nuevo dispositivo mejor (Fenix 5 plus, etc…) pero es mucha «pasta» o comprarme un sensor óptico para el brazo (opción que veo mejor en estos momentos). Para ello, he visto que hay tres posibilidades:
    1.- Wahoo: it doesn't look bad, but the critics say that the strap is not very good.
    2.- Scosche: the price is too high and I can't find a place to buy it.
    3.- Polar OH1: it looks very good, too bad about the ANT+.
    Questions: Whenever I pair my Vivoactive 3 with these sensors, I will see the online pulses on my device, what priority/what pulses count for the subsequent control, are the results of the external belt pulses recorded in Garmin Connect, do the answers to these questions apply to the belts?

    Greetings and thank you very much.

    1. Option to buy a more expensive device, discard it. The sensor is the same and you will have the same record.

      The Polar OH1 can be used without any problem, the Vivoactive 3 is compatible with Bluetooth sensors so even if the Polar does not have ANT+, do not discard it. Once paired you can see the real time pulses and record it in the activity file, and you will see everything exactly as now, simply the source of data is different.

  25. Hola. Muy buen y completo análisis. Tengo una duda, para correr para entrenamientos de cambios de ritmo y series cuál crees que es más preciso el oh1 o el H10 , para ir viendo los datos a tiempo real en el reloj en este caso sería un suunto 9.

    1. For pure precision and at all times the H10 is better, mainly because of its immediacy when it comes to intensity rise and fall. The OH1 has very good performance, but it is still an algorithm so it has those tenths of a second delay. Anyway with either one I would be fully satisfied.

  26. Hi! Great forum and great reviews. I wanted to leave you with a problem I had with polar OH1 in case it happened to someone else. The problem arises when upgrading to the latest version: the 23.04.2019. Well, this update has left my bluetooth connection deactivated. In the middle of the update process via polar flow app, it loses the bluetooth connection and does not finish the update. Connecting it to the Mac or windows with the polar flow sync tells me that it is not possible to complete the update. The option to restore factory settings does not solve the problem (this option is a simple file deletion). From polar they tell me to send it to them and wait about 14 days for them to fix it (maximum dissatisfaction). So I recommend not to upgrade to the latest version via polar flow app. The device of 10, I have been with it for a year and delighted. But as for updates... I think polar is not up to it. They can't get an update with an error

    1. The problem, which I don't make very clear, is that after trying to upgrade. the bluetooth connection has been disabled and now it doesn't connect to the clock or any polar app. it only lets me work out as a standalone device. Pretty serious stuff. Cheers.

  27. Hi Eduardo, as always thanks for your great reviews.
    I have seen that you did the tests at the time for pool. As you know since then they have taken out an adapter to place the device in the pool glasses and calculate the pulse from the temples (I do not know how much more accurate it can be). I have spoken to Polar and to have them send you only the adapter is 40eur! (price that seems to me abusive and excessive for a piece of plastic).
    During your swimming tests you put the device on your forearm? I understand that nothing moved?
    Thank you!

    1. Certainly the price is crazy for a piece of plastic...

      Yes, I used the sensor on my forearm and it doesn't move. The problem it has is that there is no way to synchronize that data with a swim workout (regardless of the clip).

  28. Hi Eduardo, I finally bought a Fenix 5 and I have temporarily left the Suunto Spartan Sport wrist HR out of service. I want to complement it with a good compatible wrist band for trail running, cycling and open water swimming. The chest band, one I had from Polar, gave me after an hour of training a significant sternum rubbing / burning, I do not know if the new Garmin bands, the HRM TRI, avoids more or less rubbing. The bracelet of Polar OH1 looks very good but I do not know if because it is Garmin the watch does not take all the potential of this mechanism. For swimming the OH1 polar bracelet would transmit data to the Garmin watch once you finish the swimming session or that only does in the Polar watches? The Garmin band I think in addition to giving you the pulse gives a lot of added data for later analysis, does this make the polar OH1 or only give data of the pulses, in short, what do you recommend
    Thank you very much and Happy Holidays

    1. In fact, with the Polar sensor you will only have heart rate data. If you want swimming and running metrics you will have to opt for the Garmin HRM-Tri, there is no other option.

  29. Hola Eduardo, soy un seguidor tuyo, por eso busco sinceridad, tengo un polar V800 un suunto 9 baro y un fenix 5x plus, tuve un pequeño infarto por eso me interesa, tu opinion tengo un scosche no el ultimo el anterior contento, y la banda del suunto 9 que no he usado. y le he cogido miedo a la h7 me dio un pico de 225 que me dijeron que podría ser de la banda o de la pila que no me preocupara, que cinta fiable me aconsejas, solo hago andar y correr ni series ni natación después del susto,
    banda oh1 o la h10 o el ultimo de scoche, garmin o alguna de la ya tengo, otra cosa lo de los segundos de retardo que significa.
    un abrazo.

    1. Aurelio, echa un vistazo a la guía de pulsómetros, porque ahí explico todo acerca de los sensores.

      El resumen es que si quieres fiabilidad en todo momento la máxima que debes recordar es que la banda mide, el sensor óptico estima, por lo que la banda siempre es más exacta. De todas formas está todo explicado en el artículo que te he indicado.

  30. Buen día. Estupendo reportaje, muy agradecido. Comentarte que me interesa hacerme con un medidor de pulsaciones que registre de forma fiable el pulso y sus variaciones a lo largo de mis sesiones de gimnasio, en las cuales practico elíptica, cinta de correr, y algo de calistenia. Por tu análisis, entiendo que el OH1 es adecuado para ello, aunque me surge una duda respecto a tu siguiente comentario: «sólo le quedaría ser capaz de registrar la variabilidad de pulso en actividad». Entonces, entiendo que mide la frecuencia cardíaca, pero no la variación entre latidos, lo cual me interesa mucho. Si es correcto lo que digo, ¿hay algún medidor de pulso deportivo que sí realice esa función?
    Gracias de antemano, un saludo

  31. Hola, un reportaje completo y detallado, así da gusto! Soy novato en este mundo y me gustaría saber si un Polar M200, con combinación con el OH1, me permitiría ver en tiempo real mis pulsaciones. ¿Podría hacer lo mismo con cualquier smartwatch que tenga Bluetooth, como un Amazfit Bip?

    Thank you very much!

  32. Buenas noches Eduardo, antes de nada agradecerte nuevamente los análisis que haces.
    Verás, tengo un polar Vantage V y últimamente se despista bastante en la medición de pulsaciones así que estoy pensando en comprar un Polar H9 o un Polar OH1+.
    Mis entrenamientos son simples: carreras ontinuas sin muchas cuestas y alguna serie.
    A priori prefiero el OH1+ porque entiendo que será más cómodo que la banda pectoral aunque comprendo que la banda pectoral será más precisa.
    Teniendo en cuenta los entrenamientos básicos que realizo ¿Ves que pueda compensar esa perdida de precisión la comodidad de llevar el OH1+?
    Thank you in advance.

    1. Gracias Ángel.

      Con el OH1+ tendrás datos casi igual de fiables que con la banda en el pecho, en ese sentido no tienes que preocuparte. Aquí la diferencia principal va a ser la autonomía, que el OH1+ tendrás que recargarlo a menudo y la pila del H9 te puede durar casi un año.

      Pero si lo único que te preocupa es la fiabilidad puedes estar tranquilo, su rendimiento es muy bueno.

  33. Muchas gracias Eduardo, lo compraré este Black Friday en tu enlace, como lo hice cuando compré los Polar M200, M450 y Vantage.
    A salute.

  34. Hola, me acabo de comprar un Polar OH1+ para utilizarlo como sensor junto con la consola de la bici de Spinning del gimnasio, una keiser m3, pero me ha sincronizado. Te agradecería si me puedes dar alguna indicación para ver si funciona. Gracias.

  35. Hola, Eduardo. Quería preguntarte si este sensor, emparejado con un Vantage 2 o un Garmin Fénix 6 me daría métricas de dinámica de carrera. Por lo que leo entiendo que no y que mejor comprar un H10, verdad?
    Mil gracias, eres mi fuente de inspiración y confianza.

      1. Thank you Nuria.

        No, el OH1+ no tiene ningún tipo de función de métricas de carrera. El Vantage V2 tampoco, de todas formas…

        Sí que tiene el Fenix 6, pero para tener esas métricas necesitas un sensor de Garmin (HRM-Run o HRM-Tri) o bien el Wahoo TICKR X

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