POLAR RS 800 SD - Manual (Page 4)

Polar s3 Stride Sensor™ W.I.N.D. (option)
Going beyond speed and distance to provide insight into the running
stride itself, the s3 stride sensor is a durable light-weight module that
measures just 55 x 39 x 14mm. It can be mounted securely and
unobtrusively to training shoe laces or placed inside the specially designed
mid-sole cavity in the adidas Fusion running shoe.
The s3 stride sensor is activated automatically by the RS800 wrist unit
at the beginning of a training session and transmits speed, distance and
cadence data to the RS800 wrist unit using Polar W.I.N.D. 2.4GHz
wireless transmission technology.
The s3 stride sensor has user changeable battery with a minimum lifetime
of 50 hours during normal use. Remaining battery life can be checked
remotely with the Polar ProTrainer 5™ PC software. Low battery warnings
will also be displayed on the RS800 wrist unit.
Polar s3 stride sensor is the most effective technology for tracking real-
time pace, distance and cadence.
Connectivity:
Casing Dimensions:
Casing Materials:
Weight:
Water Resistance:
Battery type:
Battery life:
Battery sealing ring:
Operating temperature:
Accuracy:
Polar W.I.N.D. 2.4GHz Wireless
55 x 39 x 14mm
Composite polycarbonate
21g
To 50M / 5Bar pressure
User changeable, CR2430
Average 50 hours of use
Silicon O-Ring, 25.0 x 1.2
-10°C to +50°C / 14°F to 122°F
+\- 1 to 3% or better once calibrated
s3 Stride Sensor Specifications:
4