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Water resistance of Polar products is tested according to International IEC 60529 IPx7 (1m, 30min, 20ºC). Products are
divided into four different categories according to water resistance. Check the back of your Polar product for the water
resistance category and compare it to the chart below. Please note that these definitions do not necessarily apply to
products of other manufacturers.
Marking on case back Water resistant characteristics
Water proof IPX7 Not suitable for bathing or swimming. Protected against
wash splashes and raindrops. Do not wash with a pressure
washer.
Water resistant* Not suitable for swimming. Protected against wash
splashes, sweat, raindrops etc. Do not wash with a
pressure washer.
Water resistant 30 m/50 m Suitable for bathing and swimming
Water resistant 100 m Suitable for swimming and snorkeling (without air tanks)
*These characteristics also apply to Polar WearLink transmitter W.I.N.D. , CS speed and cadence sensors W.I.N.D. and
Power Output Sensor W.I.N.D. marked water resistant.
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24 Important Information