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SM2235A

5 digits 18mm (0.6") White backlight LCD Accuracy: (0.05%+1 digit) of reading.

Detail

5 digits 18mm (0.6") White backlight LCD
Accuracy: ±(0.05%+1 digit) of reading
Sampling Time: 0.5sec(over 120RPM)
Range Select: Auto-Ranging
Memory: Max. value, Min. value, Last value
     Can store 96s data
Power Consumption: Approx 45mA
Time Base: 6MHz Quartz crystal
Time Base Accuracy: 10x10-6(0~50°C)
Measuring Range: 
CONTACT TACH: 0.5~19,999RPM
SURFACE SPEED: 0.05~1,999,9m/min
Resolution: 
CONTACT TACH: 
0.1RPM From:(0.5~999.9RPM)
1RPM From:((over 1,000RPM)
SURFACE SPEED: 
0.01m/min(0.05~99.99m/min)
0.1m/min(over 100m/min)
Battery: 4x1.5V AA Size Battery