DM-6234P Digital Laser Non-Contact Photo Tachometer RPM Measurer with LED Laser for HVAC Automotive Tool

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DM-6234P is a high quality electronics That tool can measure the rotational speed (RPM) icts with wide measuring range and high resolution. It is applicable for measuring: speed of rotating machinery, motors, wheels, lathe for metal or wood cutting works and others.

Applications & Uses : This speed sensing device can be used in automobiles, trucks, tractors, aircraft, trains, light rail vehicles, and automotive.


  • Tested according to European international guidelines and standards (CE Marking)
  • Wide measuring range, high Accuracy and Resolution
  • Long detecting distance up to 500mm(20 inch) with Laser
  • Large 5 digits LCD Display
  • Auto test range select
  • Use Microcomputer LSI circuit and crystal time base offering high accuracy and quick measurement time
  • Highly accurate, displays exact RPM with no guessing errors
  • With fraction of minute sampling time(0.8 sec)
  • Maximum, Minimum and Last Measured value
  • Wide Detecting distance
  • Carefully shaped to fit comfortably in hand Either
  • Low battery indication
  • Durable & Reliable


  • LCD Display: 5 digits, 18mm (0.7")LCD with Function Annunciation
  • Test Range: 2.5 to 99,999 RPM(r/min)
  • Resolution: 0.1 RPM (2.5 to 999.9RPM)
                            1 RPM (over 1,000 RPM)
  • Accuracy:  ±(0.05% + 1 digit)
  • Sampling Time:  0.8 sec. (over60 RPM)
  • Test range selection:   Automatic
  • Memory : Max. value, Min. value and Last value
  • Detecting Distance:
    • 50~200mm / 2~10 inches (LED)
    • 50~500mm / 2~20 inches (Laser)
  • Time Base :  Quartz Crystal
  • Circuit:  Exclusive one-chip of micro computer LSI Circuit
  • Power Supply:  9V Battery (included)
  • Power Consumption:
    • Approx. 35mA (LED)
    • Approx. 30mA (LED)
  • Operating Temperature:  0~50°C (32~122°F)
  • Size:  131 x 70 x 29 mm
  • Weight:  160g (including batteries)
Set Includes
  • 1 x Digital Tachometer
  • 2 x 600mm Reflective Tape Mark
  • 1 x 9V Battery
  • 1 x Protective Carrying Case
  • English Quick Start Guide
  • Standard Factory Package


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