DT-105A – DT-107A Hand-Held Contact Tachometer

DT-105A (LCD MODEL)
DT-107A (LED MODEL)
DT-105A-12 (LCD MODEL with 12″ Circumference Wheel)
DT-107A-12 (LED MODEL with 12″ Circumference Wheel)
DT-107A-12-EXH With Extended HandleAccurately measure rotational and surface speed, as well as length. Built-in selector switch permits the user to display readings in a wide variety of engineering units.

The DT-105A-12 and DT-107A-12 includes a 12″ circumference measuring wheel which is offered for safer and easier surface speed measurement by keeping the users hand farther from the moving surface and slowing down the rotational speed.

Length Meter with Extended Handle

Features

  • Includes NIST Traceable Calibration Certificate
  • 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)
  • LED version for use in poorly lit or dark environments (DT-107A)

LCD Display vs LED Display

Optional 12″ Wheel for Large Diameter Cables, Tapes & Bands

Dimensions

DT-105A / DT-107A dimensions

Complete Kit

All models are supplied as a complete kit including 6″ (or optional 12″) circumference surface speed wheel, two cone tip adapters, funnel tip adapter, shaft extension, two AA batteries, NIST traceable calibration certificate and an operating instruction manual – all supplied in a foam-fitted carrying case.
The DT-105A-12 and DT-107A-12 includes a 12″ circumference measuring wheel instead of the 6 inch one
DT-105A Complete Kit

Specifications

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
10,000 to 25,000 rpm: ±0.006% rpm
Display DT-105A: (LCD MODEL) 5 digit 0.47″ (12mm) high
DT-107A: (LED MODEL) 5 digit 0.4″ (10mm) high
Measurement Units Per 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 System 13 readings are stored in memory and retained for 5 minutes
(last, max., min., and 10 measurements)
Over-Range Indicator Flashing numerals
Detection
Update Time 1 second (typical)
Batteries 2 – 1.5 V AA
Battery Life Approx. 65 hrs. (DT-105A)
Life: Approx. 40 hrs. (DT-107A)
Low Voltage Indicator Flashing “LO BAT” display (DT-105A)
“B” display (DT-107A)
Operating Temp 32 to 113° F (0 to 45° C)
Weight 0.9 pounds (400 grams)
Dimensions 7.3″ L x 2.4″ W x 1.8″ H
Origin Taiwan
Warranty 2 years
Accessories Included 2 cone adapters, 1 funnel adapter, 3-1/2″ extension shaft, 1 surface speed wheel (6″ circumference), carrying case, operating instructions
NISTCAL NIST traceable calibration certificate

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