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Combination Tachometer

DT-205LR Combination Contact & Non-Contact Tachometer

$ 285.00

DT-205LR LCD Display with 6" Circumference Measuring Wheel

The DT-205LR combines the best features found in both contact and non-contact tachometers for the accurate measurement of rpm, surface speed and length. The screw-in contact adapter makes it quick & easy to convert from non-contact to contact operation.


  • Includes NIST Traceable calibration Certificate
  • High-precision laser measures from distances up to 14 feet
  • LCD Version for use in sunlight and for longest battery life
  • Includes 6" circumference surface speed wheel
  • Built-in memory for last, maximum, minimum and 10 separate readings
  • DT-205LR NSN: 6680-01-378-6490

Complete kit includes the tachometer, reflective tape, screw-in contact adapter, 2 cone tips, funnel tip, shaft extension, surface speed wheel, two AA batteries, NIST traceable calibration certificate and an operating instruction manual - all supplied in a foam-fitted carrying case. 


Measuring Range Non-Contact - 6 to 99,999 rpm
Contact - 0.8 to 25,000 rpm
Accuracy 6 to 8,299 rpm: ±1 rpm
8,300 to 24,999 rpm: ±2 rpm
25,000 to 99,999 rpm: ±6 rpm, max.
Resolution Non-Contact Mode: 1 RPM
Contact Mode: 0.1 RPM 
Display DT-205LR: (LCD MODEL) 5 digit 0.47" (12mm) 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 
Measuring Distance 14 feet (4.2 m) maximum
Detection Laser Diode, Class II
Memory 13 readings are stored in memory and retained for 5 minutes
(last, max., min., and 10 measurements)
Over-Range Indicator Flashing numerals
Update Time 1 second (typical)
Batteries 2 - 1.5 V AA
Battery Life DT-205LR Approx 40 hrs
Low Voltage Indicator DT-205LR Flashing "LO BAT" display
Operating Temp 32 to 113° F (0 to 45° C)
Construction Die-cast aluminum housing
Weight 0.8 pounds (365 grams)
Dimensions 6.6" L x 2.4" W x 1.8" H (167mm x 61mm x 45.7)



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