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the heart rate sensor, wear it over a shirt, but moisten the shirt well under the electrodes to ensure flawless
operation.
The combined impact of moisture and intense abrasion may cause a black color to come off the heart rate
sensor's surface, possibly staining light-colored clothes. If you use perfume or insect repellent on your skin,
you must ensure that it does not come into contact with the training device or the heart rate sensor.
TECHNICAL SPECIFICATION
M450
Battery type:
Operating time:
Operating temperature:
Training device materials:
Watch accuracy:
GPS accuracy:
Altitude resolution:
Ascent/Descent resolution:
Maximum altitude:
Sample rate:
Accuracy of heart rate monitor:
Heart rate measuring range:
Current speed display range:
Water resistance:
Memory capacity:
Display resolution:
Rechargeable 400mAh, 4,35V battery
Up to 16 hours with GPS and heart rate
sensor
-10 °C to +50 °C / 14 °F to 122 °F
Using or storing your M450 in an envir-
onment where temperature is not within
this temperature range may permanently
damage the battery capacity - especially
if the temperature is higher.
PC+GF, ABS, PC, PMMA, TPU
Better than ± 0.5 seconds / day at 25 °C
/ 77 °F temperature
Distance ±2%, speed ±2 km/h
1 m
5 m
9000 m / 29525 ft
1 s
± 1% or 1 bpm, whichever larger. Defin-
ition applies to stable conditions.
15-240 bpm
0-399 km/h 247.9 mph
IPX7 (rainproof, not suitable for swim-
ming)
70 h training with GPS and heart rate
depending on your language settings
128 x 128
73
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