Polar S625X running heart-rate monitor
Basic features
* "Wearlink" flexible monitor strap with coded transmitter
* S1 shoe pod transmitter allows the wrist unit to measure running pace (minutes/km) and speed (km/h)
* Measures and displays heart-rate, pace, speed (km/h), altitude, and temperature
* Can be set to display in metric (km/h) or Imperial (mph) units
* Allows you to start exercising in any one of 5 different configurable exercise "modes", eg basic use or interval training
* Records all of the above parameters at selectable intervals of 5 secs, 15 secs or 30 secs
* Records every run in memory at the selected recording rate (5/15/30 secs) - up to 99 exercise files
* Maintains "records" of most parameters, eg total distance, total time, maximum heart rate, average heart rate etc
* Included "Polar Precision Performance" software allows you to download and display recorded exercises using an Infra-Red link
* Includes several different tests to quantify your state of fitness
* Also has multi-sport features for biking using optional cadence/speed sensors (not included) - supports 2 different bike setups
Description, features and benefits:
* The 'Wearlink' flexible chest transmitter strap is made of fabric and hugs your chest - much more comfortable than the older rigid plastic types
* The chest transmitter uses coded radio transmissions - no chance of interference from other peoples' heart-rate transmitters
* The S1 inertial stride sensor is light and uses a single 'AAA' size battery which lasts 20-30 running hours - you don't even know it's there
* The S1 stride sensor does not use GPS - it works indoors or outdoors and is very accurate
* The altitude sensor uses air pressure and is very accurate (not like GPS) - you can see an exact altitude profile of your run
* The display has large digits and is easy to read
More details at : http://www.polar.fi/en/support/product_support?product=284
My comments
* This is a great watch for the novice or enthusiast runner - loads of features but not too complicated
* I have found the stride (pace/speed) and altitiude sensors to be extremely accurate - distance is rarely more than 100m out over a 10km run
Condition
* Unit is just over 4 years old and has been used intermittently
* I ran a total of about 2500km with this watch - the strap and casing have clearly done some duty but are both still in good condition
* The whole inner electronic module of the watch was recently replaced by the Polar agents (IHF) - it's basically a brand new watch inside
* Because of the new inner module, the watch carries a 3-month warranty from Polar (invoice will be supplied)
* Sale includes Polar software (Polar Precision Performance) and updates
* All the original manuals and packaging are included
* Reason for selling : I upgraded to the RS800cx
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