Technical Specifications - Polar Electro POLAR M21 User Manual

TECHNICAL SPECIFICATIONS

Polar Heart Rate Monitor is designed to indicate the level
of physiological strain and intensity in sports and exercise.
No other use is intended or implied. Heart rate is displayed
as number of heart beats per minute (bpm).
POLAR TRANSMITTER
Battery type:
Battery life:
Operating temperature: 14 F to 122 F / -10 C to +50 C
WRIST RECEIVER
Battery type:
Battery life:
Operating temperature: 14 F to 122 F / -10 C to +50 C
Water resistance:
Accuracy of formula for
age based OwnZone
heart rate limits (OZ.A):
Accuracy of heart rate
measurement:
DEFAULT SETTINGS
Time of day
Alarm
Age
Weight
Sex
Built-in Lithium Cell
Average 2500 hours of use
CR 2032
Average 1 year
(2h/day, 7 days/week)
to 100 feet / 30 meters
1bpm
1% or 1 bpm, whichever
larger, definition applies to
steady state conditions
12h
OFF
0
00 (lbs)
Male
55