Non-contact GM8905 Digital Laser Tachometer Tach Meter Tester Wide Measuring Range 2.5-99999RPM LCD Display

Tachometer is used to detect rotate speed, linear velocity or frequency of motor.It can be widely used in motor, fan, washing machine, textile, automobile, airplane, ship and other industries.

Features:
Adopt the latest microprocessor technology and laser technology.
Wide measuring range and high resolution.
Battery low power indication, LCD backlight display and auto shutdown after 60s.
Oversize screen LCD display, with clear indication.
Hold the Maximum/minimum/average/last measured value.
Solid and delicate structure, durable for use.

Specifications:
Display: LCD Backlight 
Unit: RPM
Measuring Range: 2.5~99999RPM
Resolution Ratio: 0.1RPM(2.5~999.9RPM); 1RPM(1000~99999RPM)
Measuring Error:
+/-(0.1%n+5d)RPM; 0.1RPM(2.5~999.9RPM)
+/-(1%n+5d)RPM; 1RPM(1000~99999RPM)
Laser Power: 2-5mW
Sampling Ratio: Once/second
Measuring Distance: 50-500mm
Auto Shutdown: After 60s without any operation
Power Supply: 2 * 1.5V AAA Batteries (Not included)
Operation Environment: 0~50°C  / 32~122°F; 10~90%RH
Storage Environment: -10~80°C  / -14~176°F; 10~75%RH
Dimension: 55 * 29 * 125mm / 2.16 * 1.14 * 4.92in
Weight: 98g / 3.47oz
Package Size: 15.5 * 8 * 4cm / 6.1 * 3.15 * 1.57in
Package Weight: 165g / 5.84oz

Package List:
1 * Tachometer
3 * Silver Reflective Tag
1 * User Manual (English)