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2. Device description
2.1 Features
•
The Digital Tachometer provides fast and accurate Contact and Non-Contact RPM and
surface speed measurements of rotating objects.
•
Measurement type: Rotation Speed (RPM,rPm), Total revolutions (REV),
Frequency(HZ),Surface Speed(M/M,I/M,F/M,Y/M) and Length(M,In,FT,Yd).
•
Wide measure range and high resolution.
•
High visible digital LCD and Backlight display. * 40 reading memories : 10 selectable MAX
measurements, 10 selectable MIN measurements, 10 selectable AVG measurements, 10
selectable DATA measurements.
•
Laser sighting.
2.2 Specifications
Measuring range laser-optical
Measuring range mechanical
Resolution
Accuracy
Measuring distance
Storage
Power supply
Working temperature range
Vasing
Speed display
Dimensions
Weight
2.3 Operation
•
Flip open the battery compartment cover and install a 9V Battery.
•
Non-Contact: Stick the self-adhesive reflective tape on the object whose
rotational speed is to be measured. The reflective tape should be stocked as
close to the outer edge of the object to be measured as possible.
•
Contact: Attach the contact adapter to the tachometer. Select the adapter
included and slides it onto the shaft of the contact adapter. Align the adapter
with the alignment pin on the shaft of the contact adapter.
•
Press the "MEAS" button .Point the laser spot at the object or bring the
contact probe to the object .Then read the measurement on the LCD display.
2 ... 99999 rpm
2 ... 20,000 rpm
0.1 rpm in the range 2.0 ... 9999.9 rpm
1 rpm in the range 10000 ... 99999 rpm
± 0.05% of the speed reading ± 1 digit
50 ... 500 mm / 2 ... 20 in
10 readings
1 x 9V block / 6V external power supply
0 ... 50°C / 32 ... 122°F
ABS Plastic
LCD display, 5 digits, 22 mm high
160 x 60 x 42 mm / 6.3 x 2.4 x 1.7 in
200 g / < 1 lb
14
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