Infrared technology makes this photo tachometer accurate, convenient and easy to use.
The Infrared beam is not affected by ambient light.
The non-contact design results in no torque loss for true precision.
Quartz crystal ensures accuracy.
Memory Hold Button.
On Target Indicator.
Low battery Indicator.
Measures RPM up to 20,000 w/1 RPM resolution.
Auto Power off.
High and Low ranges.
4 ½ digit LCD.
Measures RPM on:
Range - Low: 0-200 RPM - High: 0-20,000 RPM.
Resolution - Low & High 1 RPM.
Accuracy - ?1% of reading.
Operating Temperature - 32? to 125° (0? to 52°).
Power Supply - One, 9V battery.
Battery Life - approximately 100 hours.
Dimensions - 6.5" x 2.5" x 1.7" (16.5 x 6 x 4cm).
Weight - 8.5 oz (238 g).
Tif 780 Infrared Photo tachometer, 0 - 20,000 RPM