Technical Data - VOLTCRAFT DT-30LK Mode D'emploi

14. TECHNICAL DATA

a) Tachometer
Display ............................................... 5-digit LC display with backlight
Power supply ..................................... 9 V/DC (block battery) or
Current consumption ......................... approx. 45 mA
Measurement range .......................... Contact measurement: 2 – 20,000 rpm
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
Storage conditions ............................. -10 to +60 ºC, <80 % RH
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
c) Optional power adapter
Output voltage / current ..................... 6 V/DC, 500 mA
Plug Ø ................................................ 5.5 mm (exterior) / 2.1 mm (interior)
Polarity ............................................... Interior: Positive/+
30
6 V/DC (optionally available power adapter)
Non-contact measurement: 2 – 200,000 rpm
Total: 1 – 200,000
Exterior: Negative/-