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DT-105A-12CBL Tachometer for Elevator Cable Speed

DT-105A-12CBL elevator cable speed meter
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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 non slip 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


  • 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)

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Display Range0.10 to 25,000 rpm with floating decimal
Accuracy0.10 to 999.99 rpm: ±0.06 rpm
1,000.0 to 9,999.9 rpm: ±0.6 rpm
10,000 to 25,000 rpm: ±0.006% rpm
DisplayDT-105A: (LCD MODEL) 5 digit 0.47" (12mm) high
DT-107A: (LED MODEL) 5 digit 0.4" (10mm) high
Measurement UnitsPer Second: Inches, Centimeters (optional, inquire)
Per Minute: Revolutions, Inches, Feet, Yards, Meters
Per Hour:
Miles, Kilometers (optional, inquire)
Total: Revolutions, Inches, Feet, Yards, Centimeter, Meters
Memory System13 readings are stored in memory and retained for 5 minutes
(last, max., min., and 10 measurements)
DetectionOptical coupler, 60 pulses/rev.
Update Time1 second (typical)
Over-Range IndicatorFlashing numerals
Batteries2 - 1.5 V AA
Battery LifeApprox. 65 hrs. (DT-105A)
Life: Approx. 40 hrs. (DT-107A)
Operating Temp32 to 113° F (0 to 45° C)
Accessories Included2 cone adapters, 1 funnel adapter, 3-1/2" extension shaft, FPM-12-CBL Wheel for cable speed/length, carrying case, operating instructions
Product Weight0.9 pounds (400 grams) (without wheel)
Dimensions7.3" L x 2.4" W x 1.8" H
Warranty2 years
Country of OriginTaiwan

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Item Description Price
DT-105A-12CBL hand-held tachometer / cable speed meter - LCD Display
DT-107A-12CBL hand-held tachometer / cable speed meter - LED Display
4-pack AA Ni-MH Rechargeable Batteries & Charger Kit
In stock
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2-3 Week Lead Time (Estimated)
Lead Time Varies, Please contact us for availability.