Heart rate monitor

[Old Timer]

Bought one of these, delivered next day and works great. Has a well designed handlebar mount that clips on and off in a split second or can just be worn on the wrist as a watch.Distance it seems to work at is around 2 Mtrs from the chest band and as far as I can tell is not affected by the bike electronics. The unit has a number of functions apart from heart rate monitoring. I needed something as I`m on the cardiac rehab course and they wanted me to ride with a rate of between 85-96 so I just stick it on the bike I`m riding and keep an eye. No doubt they will raise my allowed rate once I get on a bit more. Oregon Scientific Heart Rate Monitor (HR102) New on eBay (end time 20-Aug-10 13:24:12 BST)

Seems like it will last

 

[overlander]

To keep the signal as clean as possible, just make sure the contacts touching the skin are always wet. If you do not work up enough sweat then go faster no only kidding use an ECG gel.

As for interference your guess is as good as anyones, if you use a gel that should maximize the signal to the transmitter but after that you will have to wait and see. But i do not expect too much electrical noise of a bike as it's mainly DC so no sharp changes in voltage, its these sharp changes that introduce noise.

 

[Stumpi]

I`m on the cardiac rehab course and they wanted me to ride with a rate of between 85-96

Make sure you looking at the HRM and not the speedo

Seriously I have recently dug out my HRM and started using it on the bikes. On average I'm using 2/3s of the energy on an Ebike compared with a normal bike. More importantly on a couple of my routes I would hit my max heartrate on some of the hills whereas the highest I manage on the Ebike is 80%

 

[Old Timer]

Make sure you looking at the HRM and not the speedo

Seriously I have recently dug out my HRM and started using it on the bikes. On average I'm using 2/3s of the energy on an Ebike compared with a normal bike. More importantly on a couple of my routes I would hit my max heartrate on some of the hills whereas the highest I manage on the Ebike is 80%

Yeh! I used to do a bit of training but now I want nourishment not punishment

 

[Mussels]

But i do not expect too much electrical noise of a bike as it's mainly DC so no sharp changes in voltage, its these sharp changes that introduce noise.

An electric motor needs constant changes in voltage, it either does that with brushes in the motor or through the controller. Most will have something fitted to reduce the interference but they will still emit it.
I've had trouble with wireless bike computers because of this, the HRMs may well not be affected.

 

[Old Timer]

An electric motor needs constant changes in voltage, it either does that with brushes in the motor or through the controller. Most will have something fitted to reduce the interference but they will still emit it.
I've had trouble with wireless bike computers because of this, the HRMs may well not be affected.

Be interesting to see if there is any problems when riding my front hub motor where the unit will be closer. I know that different bikes affect my pocket radio more than others(although obviously on a completely different freq to the HRM)

 

[Mussels]

Be interesting to see if there is any problems when riding my front hub motor where the unit will be closer. I know that different bikes affect my pocket radio more than others(although obviously on a completely different freq to the HRM)

Interference on a particular frequency will affect lots of other frequencies at different levels with no obvious pattern, this can be due to harmonics, whether the signal is AM or FM and how long various pieces of metal are on the bike.
Bluetooth is agile and if it detects interference on one frequency it will try others, this should make it more reliable. If you have a single frequency transmitter then it might be lucky or it might not.

 

[eTim]

No interference from my front hub motors with any of the HRM's I use, must be on a totally different freq.

I use saliva to wet the chest contacts before fitting, never have a problem after that whether sweating or not. Cardiac gel might be more hygienic !!

 

[Mussels]

No interference from my front hub motors with any of the HRM's I use, must be on a totally different freq.

I use saliva to wet the chest contacts before fitting, never have a problem after that whether sweating or not. Cardiac gel might be more hygienic !!

Mind spilling the beans then?
I've gone cross eyed reading HRM reviews and a common complaint seems to be poor communication between strap and display and that's on non-electric bikes!

 

[Old Timer]

Mind spilling the beans then?
I've gone cross eyed reading HRM reviews and a common complaint seems to be poor communication between strap and display and that's on non-electric bikes!

Just get one of these cheapies and get no problems(works up to around 2Mtrs)

 

[Vikki]

The 'One Body' one I got from Tesco's for a shade under £20 is working really well. Had no probs with it so far.

Vikki

 

[carpetbagger]

Hi Vikki,
is it easy to pair up with your Garmin or do you not use it like that ?

 

[Vikki]

My 605 doesn't have HR facility. Beginning to wish I'd got the 705 now. But then - it was a lot more expensive so I'm happy with what I've got.

In fact, I think your 500 would have suited me. When I got a little lost on a long ride it wasn't the 605 mapping that I used to find myself it was my iPhone.

Lucky I got a signal, though, so maybe the mapping is cool

Best regards.

Vikki.