Competent in measuring and recording speeds of rotational, linear and surface as well as total length, Shimpo Instruments’ DT-105A-S12 Contact Tachometer with a 12” Contact Wheel is part of their DT-100A series of tachometers. The DT-105A-S12 is equipped with a list of advanced features and functions that are still user friendly: retrieval of the last, maximum and minimum values, memory storage, length functions and the quick adjustment unit’s knob.
Using the most advanced microprocessor technology, the battery operated DT-105A-S12 delivers excellent accuracy in measuring speed and length by way of its 12” contact wheel. Rotating at a slower rate than the standard 6” wheel, the 12” wheel permits dependable and safe recording of high speeds. Offering a LCD display and quality performance, the DT-105A-S12 Contact Tachometer has made Shimpo Instruments a paradigm in the industry.
Specifications
Display Range
0.10 – 25,000RPM with floating decimal
Accuracy
±0.06 rpm: 0.10 – 999.9 rpm
±0.6 rpm: 1,000.0 – 9,999.9 rpm
±0.006% of reading ±1 digit (±2 rpm max.) 25,000 rpm
Display
5 digit 0.47” (12 mm) high LCD
Measuring Units
Revolution: RPH, RPM; Feet: FPH, FPM; Miles: MPH; Yards: YPH, YPM; Inches: IPM; Meters: mPH, mPM; Length: m, cm, inches, feet, yards; Total Revolutions: REV
Memory System
13 readings are stored in memory and retained for 5 minutes (last, max., min., and 10 extra measurements)
Detection
Optical coupler, 60 pulses/rev.
Update Time
1 second (typical)
Over Range Indicator
Flashing numerals
Power Requirement
2 AA 1.5V batteries (Life: Approx. 65 hrs)
Operating Temperature
32° – 113°F (0° – 45°C)
Construction
Die-cast aluminum housing
Dimensions
7.2” L x 2.4” W x 1.8” H (182.5 mm x 60 mm x 46 mm)
Product Weight
0.9 lb (400 g)
Package Weight
Approx. 2 lb (.91 kg)
Approvals
CE
Warranty
2-Year
Included Accessories
Two AA Batteries, 2 cone adapters, funnel adapter, 3½” extension shaft, carrying case, master wheel (6” cir.)
Options
-S12 Option: Same as DT-105A except 6” circumference wheel replaced with 12” circumference contact wheel
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