KENTA Non-Contact Digital Tachometer

It also have special functions such as number of impeller setting, data hode,
MAX and MIN values, backlight and auto power off,
operates on three AAA batteries only.
LCD display with backlight provides a clear readout even in dark environment.
It is ideal for HVAC, automobile, laboratory and repair industry.
A instrument designed to measure accurate rotation speed (2 units: rpm and
rps) quickly with laser target.
Specifications:
Display: 6 digits LCD Display
Parameters: rpm, rps
Range: 100 - 30000 rpm,1.7 - 500 rps
Resolution: 0.1 rpm(100-999.9 rpm) 0.1 rps(1.7-100 rps)
1 rpm(1000-30000 rpm) 1 rps(100 - 500 rps)
Accuracy: ±0.1%reading (100.0 - 9,999rpm) ±0.02%reading (10,000 - 30,000rpm)
Number of impeller setting: 1-9
Sample rate; 1 time/sec
Auto power off: about 2 minutes
Operating environment: -10 - +50°C, +14 - +122°F
Storage environment: -20 - +60°C, -4 - +140°F
Accessories included
Free 1.5Vx3AAA batteries
Free protect cover
Free Protective carrying case
Free Wrist Strap/String
Free Reflective maker:2pcs
User Manual