Tachometers DT-105A – DT-107A Shimpo

The Shimpo DT-105A/DT-107A Tachometers feature NIST traceable calibration, built-in memory for key readings, and a rugged aluminum housing. The DT-105A offers an LCD for sunlight use and long battery life, while the DT-107A has an LED for dark environments.

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Category: Measurement

Estimated delivery:June 16, 2026 - June 18, 2026

Description

Tachometers DT-105A – DT-107A Shimpo

Accurately 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-105/7A-S12 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.

Features

Built-in memory for last, maximum, minimum and 10 separate readings.

Rugged cast aluminum housing.

Includes NIST 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

Complete Kit

All models are supplied as a complete kit including 6" 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.

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
Warranty	1 year
Accessories Included	2 cone adapters, 1 funnel adapter, 3-1/2″ extension shaft, 1 surface speed wheel (6″ circumference), carrying case, operating instructions
Country of Origin	Taiwan