GM8905 Tachometer RPM meter non-contact LASER Portable Digital Tachometer Data Hold Non Contact Tachometers


GM8905 Non-Contact Handheld LCD Digital Laser Tachometer RPM Tach Tester Meter Motor Speed Gauge
Tachometer is used to detect rotate speed, linear velocity or frequency of motor.
Widely used in motor, fan, washing machine, textile, automobile, aero plane, ship and other industries


1. Hold the maximum value, minimum value, average value and the last measured value. 
 . Full display operating instruction and unit symbol, which is concise and explicit. 
3. Wide measuring range and high resolution. 
4. Battery low power indication, LCD backlight display, and auto shutdown. 
5. Adopt the latest microprocessor technology and laser technology, which enables the instrument to be more intelligent and reliable. 
6. Oversized screen LCD display, with clear display. 
7. Solid and delicate structure. The whole machine adopts durable and optimized electronic elements, and the shell adopts light and solid ABS plastic, with beautiful appearance and convenient use.


Measuring Range: 2.5-99999rpm
Resolution: 0.1rpm (2.5~999.9rpm) 1rpm (1000~99999rpm)
Basic accuracy: ±(0.1% n+5d)rpm,(2,5~999.9rpm) ±(1%n+5d)rpm,(1000~99999rpm)
Laser power: CLASSII 2-5mW
Sampling rate: 1 times/sec.
Test distance: 50-500mm
Time base: quartz crystal
Automatic shutdown: no key operation, the instrument will be turned off after 61s
Maximum, minimum, average, last measured value remains
Low Battery Tips
LCD backlight display
Memory function
Operating Environment:0~50oC,32~122oF,10~90% RH
Preservation of the environment:-10~80oC,-14~176oF,10~75% RH
Dimensions:55.7*29.9*127mm
Weight:106g