VOLTCRAFT 2633260 - Page 29

Even empty batteries/rechargeable batteries can contain residual energy that may cause them
toswell,burst,catchreorexplodeintheeventofashortcircuit.
13. Technical data
a) Tachometer
Display ............................................5-digit LC display with backlight
Input voltage ................................... 9 V/DC (block battery)
Current consumption ......................approx. 45 mA
Measurement range ....................... Contact measurement: 2 – 20,000 rpm
Non-contact measurement: 2 – 200,000 rpm
Total: 1 – 200,000
Accuracy .........................................±0.05 % or ±1 rpm
Resolution .......................................0.001 – 1
Automatic switch-off time ................15 s
Measuring distance ........................max. 3 m
Operating conditions .......................0to+50ºC,<80%RH(non-condensing)
Storage conditions ..........................-10to+60ºC,<80%RH(non-condensing)
Dimensions (W x H x D) .................60 x 180 x 42 mm
Weight ............................................210 g
b) Laser
Wavelength ..................................... 630 – 670 nm
Max. output power .......................... <1 mW
Class ...............................................2
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