DT-2859 Landtek Photo Laser Non Contact Tachometer 0.5~99,999 RPM w/ USB BLUETOOTH Linear Velocity Meter Surface m/Min, ft/Min Speed Tester for Automobile Motor Fan Washing Machine

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Photo/Contact Tachometer DT-2859 is used to measure rotative velocity, surface speed, frequency of motor. Provides options for Bluetooth data output and USB data output to connect with PC. One instrument that can measure of Frequency, Cycle, Pulse Times, Pulse Distance, User-defined Pulse Distance, Rotation Rate, Linear Velocity. It can alsoo adjust the Vane Number Setting.

Used to measure rotative velocity, surface speed, frequency of motor. Applicable to the product departments of motor, fan, paper-product, chemical fiber, washing-machine, automobile, airplane, steamer, HVAC applications in measuring fan speed.



  • Automatically recognizes range
  • LSI-circuit and crystal time base mechanism for high accuracy & fast measuring time 
  • Auto record of last value, maximum value and minimum value
  • Measurement Coupling indicator
  • Optional USB data output to connect with PC (USB cable and software not included in set)
  • Provides option for Bluetooth data output (not included in set)
  • Auto save of measured & recorded values. View and review saved measured readings.
  • It is a great tool to measure the RPM of motors and machine parts
  • Durable, long-lasting components, including a strong, light weight ABS-plastic housing assures
    elegant shape and ease of use.


  • Measuring Range
    • Laser: 2.5 ~ 99,999 r/min
    • Contact: 0.5 ~ 19,999 r/min
    • Surface: 0.05 ~ 1999.9 m / min
    • Speed: 0.2 ~ 6560 ft / min
    • Frequency: 0.04~1666.65 Hz
  • Resolution
    • Rotative: 0.1 RPM (0.5 ~ 999.9 r/min )
    • Velocity: 1 RPM (Over 1000 r/min )
    • Surface Speed:
      • 0.01m/min (over 10m/min) ; 1m/min (Over 100m/min)
      • 0.1ft/min (0.1 ~ 999.9ft/min) ; 1ft/min (Over 1000ft/min)
  • Accuracy: ±(0.05%n+1d)
  • Sampling Time: 1.0s (over 60 r/min
  • Test Range Select: Automation
  • Laser Tach : 50~250 mm / 2~10 inch (Typical)
  • Detecting Distance : Max. 600mm / 24inch
  • Power Consumption: 80mA (testing)
  • Operating Temperature: 0~50°C (32-122°F)
  • Power Supply: 4 x 1.5V AAA Battery
  • Main Unit size: 140 x 72 x 34mm
  • Sensor size: Φ45 x 195mm
  • Item Weight: 245g (Batteries excluded)

Set Includes

  • 1 x Digital Tachometer (Main Unit)
  • 2 x Reflective Tape (350mm)
  • 1 x Sensor
  • 1 x Surface Speed Test Wheel
  • 1 x Cone RPM Adapter
  • 1 x Funnel RPM Adapter
  • 1 x English Operation Manual
  • Carrying Case


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