DT6236B/6236C photoelectric/contact dual-purpose tachometerDetailed product description：

DT6236B/6236C photoelectric/contact dual-purpose tachometer, line speedometer

Specification: 5-digit large screen LCD display with a font height of 18mm

Test scope:
2.5-99999 revolutions per minute (RPM) photoelectric speed mode
0.5-19999RPM (revolutions per minute) contact speed mode
Contact wire speed mode from 0.05 to 1999.9m/min (m/min)
Resolution:
Optoelectronic speed: 0.1RPM (2.5-999.9RPM)
1RPM (above 1000RPM)
Contact speed: 0.1RPM (0.5-999.9RPM)
1RPM (above 1000RPM)
Contact wire speed: 0.01m/min (0.05-99.9m/min)
0.1m/min (above 100m/min)
Accuracy: ± (0.05%+1 word)
Sampling time: 0.5 seconds (above 120RPM)
Effective distance: 50mm-500mm laser
Working current: maximum 55mA laser
Range selection: automatic switching
Memory: Automatically remembers the maximum value, minimum value, and last measured value
Time base: 6MHz quartz crystal
Time reference accuracy: 10 × 10-6 (0 ℃~50 ℃)
Power supply: 4 × 1.5V No.7 battery or external DC 6V stabilized power supply
Backlight display: yellow green backlit LCD display