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52 ENGLISH
The Polar F4 heart rate monitor is designed to
• help users to achieve their personal fitness goals.
• indicate the level of physiological strain and intensity during
an exercise session.
No other use is intended or implied.
Wrist Unit
Battery type: CR 1632
Battery life: Average 2 years (Exercise 1h/day,
7 days/week)
Operating temperature: 14 °F to 122 °F/-10 °C to +50 °C
Water resistance: 100 feet/30 meters
Accuracy of heart
rate measurement: ± 1% or ± 1 bpm, whichever is larger,
definition applies to steady state conditions
Watch accuracy error: better than ± 0.5 seconds/day
at 77 °F/ 25 °C
Wrist Strap Material: Thermoplastic Polyurethane (TPU)
Wrist Strap Buckle and
Strap Tongue Material: Polyoxymethylene (POM)
Back cover material: Stainless steel complying with the nickel
release regulations of the EU (EU Directive
94/27/EU and its amendment 1999/C 205/05).
Heart rate is displayed as the number of heartbeats per minute
(bpm) or as a percentage of your maximum heart rate (HR
max
%
).
10. TECHNICAL SPECIFICATION
Transmitter
Battery type: Built-in Lithium Cell
Battery life: Average 2500 hours of use
Operating temperature: 14 °F to 122 °F/-10 °C to +50 °C
Material: Polyurethane
Water resistance: Waterproof
Elastic Strap
Buckle material: Polyurethane
Fabric material: Nylon, polyester, and natural rubber
including a small amount of latex
Limit Values
Chronometer 23 h 59 min 59 s
Heart rate limits 30–199 bpm
Total time 0–9999 h 59 min 59 s
Total calories 0–999999 (Cal/Kcal)
Total exercise count 65 535