Technical Specifications - Polar Electro RCX3 Getting Started Manual

Using RCX3 Training Computer in water:
training computer is water resistant. However,
heart rate measurement does not work in water.
You can use the training computer under water
as a watch but it is not a diving instrument. To
maintain water resistance, do not press the
buttons of the training computer under water.
Using the training computer in excessive rainfall
may also cause interference.
22 ENGLISH

Technical Specifications

The
Training computer
Battery life:
Battery type:
Battery sealing ring:
Operating temperature: -10 °C to +50 °C / 14 °F to 122 °F
Training computer
materials:
Wrist strap and buckle
materials:
Watch accuracy:
Accuracy of heart rate
monitor:
Heart rate measuring
range:
Current speed display
range:
Water resistance:
Average 8-11 months (if you train
on average 1h/day, 7 days/week)
CR 2025
Silicone
PMMA lens with hard coating in
top surface, training computer
body ABS+GF metal parts
stainless steel
Polyurethane (TPU) and stainless
steel
Better than ± 0.5 seconds / day at
25 °C / 77 °F temperature.
± 1% or 1 bpm, whichever larger.
Definition applies to stable
conditions.
15-240 bpm
0-127 km/h or 0-75 mph
30 m