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Shimpo DT-105A & DT-107A Tachometer

item#: SMP031

The Shimpo DT-105A and DT-107A are accurate, microprocessor-controlled hand tachometers that are great for all rotational, linear, and surface speed and length measurements. They are ruggedly constructed with high-quality components for superior performance and durability. Packed with features like expanded memory storage, added length functions, free NIST certificates, and many standard accessories, these tachometers are a great value.

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There are two models available, depending on which display is preferred.

  DT-105A DT-107A
Display 5 digit 0.47" (12 mm) high LCD 5 digit 0.4" (10 mm) high LED
Low battery indicator Flashing LO BAT display B display
Battery life 65 hrs approx. 40 hrs approx.

Shimpo DT-105A & DT-107A Tachometer

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Extra Wheel

In addition to the included measuring wheels and adapters, two additional types of measuring wheels are available:

  • 6" circumference wheel
  • 6" circumference grooved wheel

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These versatile aluminum tachometers feature multi-mode speed selection. With a speed range of up to 25,000 RPM, they are suitable for almost limitless applications. They have a 10-test memory and a total revolution display for rotation counting during process analysis. Choose between two large five-digit displays: The DT-205A's LCD and the DT-207A's LED.

Model Includes:

  • 2 cone adapters
  • funnel adapter
  • 3.5" extension shaft
  • NIST certificate
  • Carrying case
  • Master wheel (6" cir.)

Features - Shimpo DT-105A & DT-107A Tachometer

  • Direct length measurement
  • Extensive speed range (0.10 - 25,000 RPM)
  • Large five-digit display with total revolution
  • Long battery life (40-60 hours)
  • Large 10-test memory capacity (selectable to 5 minutes or more)
  • Free NIST certificate
  • Minimum shaft loading overspeed protection

Technical Specifications

Measuring range 0.10 - 25,000 RPM with floating decimal
Accuracy 0.10 - 999.9 RPM: ±0.06 RPM
1000.0 - 9,999.9 RPM: ±0.6 RPM
10,000 - 25,000 RPM: ±0.006 % of reading ±1 digit (or 2 RPM max.)
Display DT-105A: 5 digit 0.47" (12 mm) high LCD
DT-107A: 5 digit 0.4" (10 mm) high LED
Measuring units Revolutions: RPH,RPM
Miles: MPH
Yards: YPH,YPM
Inches: IPM
Meters: mPH, mPM
Length: m, cm, inches, feet, yards
Total Revolutions: REV
Memory 13 readings are stored in memory and retained for 5 minutes (last, max., min. and 10 extra measurements)
Display update time 1 second (typical)
Detection Optical coupler, 60 pulses/rev.
System control Single-chip C-MOS microprocessor
Over range indicator Flashing numerals
Voltage requirement 2 AA 1.5 V batteries
Low battery indicator DT-105A: Flashing LO BAT display
DT-107A: B display
Auto power shutoff Yes
Battery life DT-105A: 65 hrs approx.
DT-107A: 40 hrs approx.
Operating temperature range 32° - 113°F (0° - 45°C)
Decimal point Floating
Construction Die-cast aluminum housing
Weight 0.9 lb (400 g)
Dimensions 7.2" L x 2.4" W x 1.8" H (182.5 mm x 60 mm x 46 mm)
Warranty 1 year

Customer Reviews

Shimpo DT-105A & DT-107A Tachometer

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