Product Specification

Photo/Contact Tachometer DT2236B

5 digits 18mm (0.6") LCD
Accuracy: ±(0.05%+1 digit)
Sampling Time: 0.5sec (over 120RPM)
Range Select: Auto-Ranging
Test Base: 6MHz Quartz crystal
Battery: 3 x 1.5V AAA battery
Detecting Distance: 50~500mm
Power Consumption: Approx 45mA
Measuring Range:
  Photo Tach: 2.5~99,999RPM
  Contact Tach: 0.5~19,999RPM
  Surface Speed: 0.05~1,999.9(m/min)
Resolution: 
  Photo Tach: 0.01RPM(2.5~999.99RPM) 
　　　　  　  0.1RPM(1,000~9,999.9RPM) 
　　　　  　  1RPM(over 10,000RPM) 
  Contact Tach: 0.01RPM(0.5~999.99RPM) 
　　　　　   　0.1RPM(1,000~9,999.9RPM) 
　　　　　 　  1RPM(over 10,000RPM) 
  Surface Speed: 0.01m/min(0.05~99.99m/min)
　　　　　     　0.1m/min(over 100m/min)