Digital Laser Photo Tachometer Non Contact RPM Tach Digital Rotation Speed meter Revolution Counter with Function Annunciation

Digital Laser Photo Tachometer Non Contact RPM Tach Large LCD displaying
Wide measuring range & high resolution.
Digital display gives exact RPM with no guessing or errors.
The last value/max. value/min. value will be automatically stored in memory and can e displayed by turn anytime.
The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortable in either hand. Specifications:
Display: 5 digits, 18mm (0.7") LCD (Liquid Crystal Display), with function annunciation.
Teat Range: 2.5 to 99,999 RPM (r/min).
Resolution: 0.1 RPM (2.5 to 9,999 RPM ). 1RPM (over 1,000 RPM).
Accuracy: ±(0.05%+1 digit).
Sampling Time: 0.8 sec.(over 60 RPM).
Test Range Select: Automatic.
Menory: Last value, Max. Value, Min. Value.
Detecting Distance: 50 to 200mm/2 to 10 inch (LED), 50 to 500mm/2 to 20 inch (Laser)
Time Base: Quartz crystal.
Circuit: Exclusice one-chip of microcomputer LSI circuit.
Power supply: one 6F22 9V battery(not included)
Power Consumption: Approx. 35mA (LED) Approx.30mA(Laser)
Operation Temp: 0 to 50°C (32 to 122°F) Color: gray with orange
Dimension: 131*70*29mm
Net weight: 129g
Package include
1* Carrying case
3* 20cm Reflecting tape marks
1* Operation manual
Package dimension: 146*96*52mm
Package weight: 215g