Measuring range: 10...500 Hz
Resolution: 1 Hz
L x W x H: approx. 120 mm x 60 mm x 25 mm (without sensor)
Weight: approx. 160 g
Sensor: optical sensor at the end of a flexible arm
Sensor arm bending radius: minimum of 45 mm
Battery: 9V block battery
Display: 4-digit LCD
Power consumption: approx. 20 mA when switched on
< 30 µA when switched off
Nominal working temperature: 22°C
Working temperature range: +10...+50°C
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