Dt-6235b Digital Contact Laser Tachometer

Digital Photo Contact Tachometer, laser tachometer, digital tachometer, photo tachometer, engine tachometer 6235BDisplay: 5 digits, blue backing LCD display Test Range: CONTACT TACH: 0.5 to 19, 999RPMSURFACE SPEED: 0.05 to 1999.9m/minSURFACE LONG: 0.05 to 99, 999m Resolution: CONTACT TACH: 0.1RPM (0.5 to 999.9RPM)1RPM (over 1000RPM)SURFACE SPEED: 0.01m/min (0.05 to 99.99m/min)0.1m/min(over 100m/min)SURFACE LONG: 0.02m ( 0.05 to 99, 999m ) Accuracy: ± (0.05%+1 digit)Sampling Time: 0.8 sec. (over 60 RPM)Test Range Select: AutomaticMemory: Max. Value, Min. Value, Last Value. Battery: 4× 1.5V UM-3 battery or to connect the DC 6V Regulated power supply Power Consumption: Approx. 50mA Operation Temp.: 0 to 50(32 to 122)Size: 195× 76× 40mm