461895 V1.8 August 2001
2
2. SPECIFICATIONS
2-1 General Specifications
Circuit Custom one-chip LSI microprocessor circuit.
Time base Quartz crystal
Display 5 digit, 10 mm (0.4") LCD display with function annunciation
Measurement Photo Tachometer - 5 to 99,999 rpm
Contact Tachometer - 0.5 to 19,999 rpm
Surface Speed - 0.2 to 6,560 ft/min
Surface Speed - 0.05 to 1,999 m/min
Memory Last value, last max. reading, last min. reading
Sampling Time Photo Tachometer - 1 sec. (over 60 rpm)
Contact Tachometer - 1 sec. (over 6 rpm)
Detecting Distance -
Photo Tachometer
50 to 150 mm (2 to 6 inches) depending on ambient light
Operating Temperature 32 °F to 122 °F (0 °C to 50 °C)
Power Supply 4x 1.5 V AA (UM 3) batteries
Weight 0.66 lbs. / 300g (including battery)
Size 8.5 x 2.6 x1.5” (215 x 65 x 38mm)
Accessories
Reflective tape (23"), cone and funnel rpm adaptor, surface
speed test wheel, and carrying case
2-2 Electrical Specifications
Measurement
Range Resolution Accuracy
(% rdg)
Photo
Tachometer
5 to 99,999 rpm 0.1 rpm (0.5 to 999.9 rpm)
1 rpm (over 1000 rpm)
Contact
Tachometer
0.05 to 19,999 rpm 0.1 rpm (0.5 to 999.9 rpm)
1 rpm (over 1000 rpm)
+
(0.05% + 1 digit)
Surface
Speed
0.2 to 6560 ft/min 0.1 ft/min (0.1 to 999.9 ft/min)
1 ft/min (over 1000 ft/min)
Surface
Speed
0.05 to 1999.9
m/min
0.01 m/min (0.05 to 99.99 m/min)
0.1 m/min (over 100 m/min)
± (1% rdg + 1d)
3. FRONT PA
NEL DESCRIPTION
3-1 Reflective tape
3-2 Signal light beam
3-3 Monitor indicator
3-4 Display
3-5 Measure button
3-6 Memory
button
3-7
Function switch
3-8 Rotating ring
3-9 Circumferential speed ring
3-10 Battery compartment
3-1
3-2
3-3
3-4
3-6
3-7
3-8
3-9
3-5
3-10
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