Hand-Held Tachometers


The DT-105A-12CBL is designed to measure elevator cable speed in feet per minute, meters per minute, and other measuring units. It is supplied with a rugged 12” circumference wheel with large flanges to keep the cable in contact with the surface. Delivering superior performance and accuracy over more conventional flat surface wheels.

Employing a nonslip rubber contact surface, the wheel adds safety and accuracy while measuring speeds on Elevator governor cables, wire and cable reels, extruded tubing and many other applications

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  • Built-in memory for last, maximum, minimum and 10 separate readings.
  • Rugged cast aluminum housing.
  • Includes Traceable calibration Certificate.
  • LCD Version for use in sunlight and for longest battery life (DT-105A-12CBL).
  • LED version for use in poorly lit or dark environments (DT-107A-12CBL).


Display Range 0.10 to 25,000 rpm with floating decimal
Accuracy 0.10 to 999.99 rpm: ±0.06 rpm / 1,000.0 to 9,999.9 rpm: ±0.6 rpm
Memory System 13 readings are stored in memory and retained for 5 minutes
Detection Optical coupler, 60 pulses/rev.
Update Time 1 second (typical)
Over-Range Indicator Flashing numerals
Operating Temp 32 to 113° F (0 to 45° C)
Warranty 2 Year

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