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1. SPECIFICATIONS
Speed (Non-contact):
Range Resolution Accuracy
RPM 10.00 - 99999 0.01/0.1/1 0.04% ±2 dgts
rps(Hz) 0.200 - 2000.0 0.001/0.01/0.1 0.04% ±2 dgts
Speed (Contact)
Range Resolution Accuracy
RPM / (/
symoblizes
"Contact"
20.00 - 29999 0.01/0.1/1 0.04% ±2 dgts
m/min 2.000 - 2999.9 0.001/0.01/0.1 0.04% ±2 dgts
ft/min 6.00 - 10000 0.01/0.1/1 0.04% ±2 dgts
yard/min 4.00 - 3000 0.01/0.1/1 0.04% ±2 dgts
Event Counter:
Range Max. Input Frequency
0 - 99999 10KHz. with 5% duty cycle
External TTL Input High > 4.5V (RM1501)
Display: 5 digits 99999 counts
Sampling Rate: 0.7 second (> 60 rpm)
> 1 second (10 to 60 rpm)
Measuring Distance: 50 to 300 mm
Time Base: 4.0 MHz Quartz Crystal
Range Selection: Automatic
Battery: Four 1.5V batteries (AA, UM-3)
Power Consumption: 1.5mA (Idle)
5mA (1000.0 - 99999 rpm)
25mA (10.00 - 999.99 rpm)
25mA (Max, Min or Ave Enabled)
25mA (Event Counter)
Auto-Power-Off: 30 minutes.
Operating Temp. 0 to 50°C (32 to 122 °F)
Size: 172 mm x 63 mm x 36 mm (6.8" x 2.5" x 1.5")
Weight: 190 g(6.7 oz.) (including battery)
Accessories: Carrying case x 1, Reflective tape x 1,
Instruction Manual x 1