Re: I've bought a beurer pm 90. Trying to pair the...
HI I realise it's been a long time since you posted this question, but having just bought one of these myself I'm having the same problem. I wondered if you managed to resolve the issue and if so, how? Thanks Dave
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First, you want to adjust the fit of the chest strap. <br />
Moistening give a more comfortable fit by reducing friction and will also help create a better connection between your skin and the receiver. It can also increase the lifespan of your belt.<br />
When properly looked after, your heart rate monitor watch should far outlive the chest strap. More often than not any problems you find with the watch can be traced to the chest strap or the batteryIn terms of conservation, the most important thing you can do is ensure that your watch is no longer monitoring after you return from your run. <br />
This should be easily achievable through the interface on the watch. Separating the watch from the monitor component by a significant distance will ensure that no unwanted connections continue after use.<br />
Where possible, make sure to remove the electrical component before rinsing the strap with some running tap water. If the watch and electrical component are particularly dirty, you can use a damp cloth to wipe them down, before putting everything aside to dry. Be sure not to leave the chest strap in the sun as this can cause the material to deform, making it itchy and uncomfortable to wear.
It could be that there is a failure in the circuit between the two pads on the chest strap and the HRM electronics in the middle. If it won't work at all try putting the battery in backwards for a few seconds (this is supposed to accomplish a reset) and then try re-pairing it with the Garmin. If this doesn't work, I suggest a new HRM. I've hadevery good luck with my Wahoo TICKR and a Garmin 502.
Make sure the battery is placed underneath the small copper clip (positive lead) inside, else the circuit isn't complete. It's pretty easy to clothes the battery casing with it above the lead and not even notice it.
Make sure your chest strap is a good fit so it doesn't move, not too slack. Also you need to wet the sensors so that you get a good connection. On the Garmin ones they recommend using an electrode gel but that costs money and I find spit/saliva works just as well.
Look in my tips and tricks page for the most common issues regarding Heart Rate transmission, if none of these fix it, then you "may" have an issue with the equipment itself. Generally the most common issues area:
Strap not on correctly (too loose, too low, upside down, not enough wetness to conduct) Environmental factors (signal interference, etc)
A HRM is a training tool that helps you do cardiovascular (CV) training correctly, neither too hard, nor too easy. It’s almost like having a personal coach on your wrist! Every HRM comes in two parts: 1. An elasticated chest strap which contains a pair of sensors that detect and transmit your heart rate. 2. A wrist worn receiver that receives the signal from the chest strap and displays your heart rate. The receiver may also have additional functions and display other information depending upon the HRM model chosen. Both the chest strap and receiver are battery operated.
Here are the things I have noticed that help: - enough moisture between the HR monitor and your chest. Apply water right before your workout to make sure it isn't all dry between the time you put on your monitor and when you actually started your workout. - Make sure the strap is tight enough. Mine gets loose over time and the bouncing of running will give me inaccurate readings until I tighten it up again. You can test if this is the problem by using your hands to press the monitor more tightly against your chest - if that seems to fix the problem that a loose strap could be it. - Use a "conductive gel" instead of water between the monitor and your chest. Conductive gels are pretty cheap.