English
Tachometer
19
General Characteristics
Specifications
Measurement range
0.6 m to 18 m (1ft 11 ins to 59ft) in single unit mode
1 m to 75 m (3ft 3ins to 246ft) in dual unit mode
Resolution
0.01 m
Accuracy
0.05 %
Ultrasonic frequency
40 kHz without target, 20 kHz with target
Power supply
2 alkaline batteries 9V
Current consumption
8 - 13 mA (approx. 50 hours continuous use)
Auto Shut-off
approx. 7 minutes after last key press.
Operating conditions
Temperature : 0 to 30 °C (32°F to 86°F)
Humidity : 30 to 70 % RH
Altitude : -0.1 to 0.1 km (-328 to 328 ft)
Air speed : still air
Dimensions
Receiver :
147 x 75 x 45 mm
Target :
120 x 70 x 32 mm
Weight
Receiver :
185 g
Target :
170 g
