Extech 461995 Combination Photo/Contact Tachometer
[Product Information]
- Item is a Class II laser product, 1mW power output.
- Measurements from up to 6-1/2 feet from the target for improved safety and accessibility
- Microprocessor based with quartz crystal oscillator to maintain high accuracy
- Tachometer memory stores last, max and min readings
- Provides wide RPM (photo and contact) and Linear Surface Speed (contact) measurements
- Accurate to 0.05 percent with max resolution of 0.1rpm in either photo or contact mode
