Dt-6234b Rpm Tachometer

Display: 5 digits, 31mm blue backing LCD display Test Range: 2.5 to 99, 999 RPM (r/min)Total Test Range: 1 to 99, 999Resolution: 0.1 RPM (2.5 to 999.9 RPM)1 RPM (over 1, 000 RPM)Accuracy: ± (0.05%+1digit)Sampling Time: 0.8 sec. (over 60 RPM)Test Range Select: AutomaticDetecting Distance: 50 to 500 mm / 2 to 20 inch (Laser Photo)Sampling Time: 0.8 sec. (over 60 RPM)Memory: 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 50C(32 to 122F)Size: 160× 76× 40mm