Photoelectric tachometer
DT2234A (LED)
Specifications: 5-digit large-screen LCD display, word height 18mm
Measuring range: 2.5-99999 rpm (RPM)
Resolution: 0.1RPM (2.5 ~ 999.9RPM)
1RPM (1000RPM or more)
Accuracy: ± (0.05% +1 words)
Sampling time: 0.5 seconds (120RPM or more)
Range selection: automatic switching
Effective distance: 50mm-250mm (LED)
Working current: up to 40mA
Memory: Automatically remember the maximum, minimum, and last measured values
Time base: 6MHz quartz crystal
Time base accuracy: 10X10-6 (0 °C ~ 50 °C)
Power: 3x1.5V AA battery
Size: 162x72x37mm