Tachometer is a high quality electronic tool that can measure rotational speed with its wide measuring range and high resolution

Tachometer 6234B

Specification:

 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 50(32 to 122)Size:                 160×76×40mm

6234B Digital Tachometer