Specifications
General Specifications
Circuit
Exclusive one-chip LSI circuit with crystal time base
Display
4-digit (10,000 count; 0 to 9999) LED display
Measurement unit
RPM (revolutions or rotations per minute) is the speed of the
moving device under test which equals the FPM rate (strobe
flashes per minute)
Operating Temperature
32 to 122
o
F (0 to 50
o
C)
Operating Humidity
< 80% RH
Power Supply
110VAC (461830) or 220VAC (461831) 50/60Hz ±10%
Power Consumption
<25 watts @ 115V
Weight
1kg (2.2 lbs.)
Dimensions
21 x 12 x 12cm (8.3 x 4.8 x 4.8")
Housing construction
Impact resistant plastic with plastic lens and mirrored reflectors
Electrical Specifications
Measurement Range
100 to 10,000 RPM/FPM
Resolution
0.1 (<1000 RPM/FPM)
1 (1000 to 9999 RPM/FPM)
10 (10,000 RPM/FPM)
Accuracy
± (0.05% + 1 digits)
Sampling Time
1 second
Strobe Flash adjust range
LOW: 100 to 1,000 RPM/FPM
HIGH: 1000 to 10,000 RPM/FPM
Strobe Flash tube type
Xenon lamp
Strobe Flash duration
60 to 1000 microseconds
Strobe Flash Energy
4 Watt-Seconds (Joules)
Strobe Beam Angle
80
o
Strobe Flash Color
White 6500
o
K
Notes:
Replace the Xenon lamp when readings appear irregular. To prolong the Xenon lamp life and
ensure safe operation, please adhere to the following recommendations.
A 30-minute use limit < 3000rpm and 5-minute use limit > 3000rpm exists. Do not use the
instrument for periods longer than specified otherwise damage to the instrument may result.
Always permit a 10-minute cool-down between cycles.
Do not touch the Xenon flash tube.
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