Benetech GM8905 Digital LCD Tachometer Non-Contact RPM Tach Test Meter Motor Speed Gauge Tester

Specification:

• LCD Monitor: five large-screen LCD display, character height 18mm
• Unit: rpm
• Range: 2.5-99999rpm
• Resolution:
• 0.1rpm (2.5 ~ 999.9rpm)
• 1rpm (1000 ~ 99999rpm)
• Basic accuracy: (0.1% n + 5d) rpm, (1000 ~ 99999rpm)
• Laser power: CLASS II 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