Photo/Contact Tachometer (laser), Line-speed Meter DT6236B

Display: 5digits 18mm (0.6”) LCD
Accuracy: ±(0.05%+1digit）
Sampling Time: 0.5sec (over 120RPM)
Range select: Auto-Ranging
Memory: Last 118 values, Max. 118 value and Min. 118 values
Measuring Range: PHOTO TACH: 2.5 to 99,999RPM
CONTACT TACH: 0.5 to 19,999RPM
Surface SPEED (m/min): 0.05 to 1,999.9m/min
Resolution: PHOTO TACH: 0.1RPM (2.5 to 999.9RPM)
　　　　　　　　　　　　1RPM (over 1,000RPM)
CONTACT TACH: 0.1RPM (0.5 to 999.9RPM)
　　　　　　　　1RPM (over 1,000RPM)
          SURFACE SPEED (m/min): 0.01m/min (0.05 to 99.99m/min)
　　　　　　　　　　　　　　0.1m/min (over 100m/min)
Detecting Distance: 50mm to 500mm (Laser)
Time Base: 6MHz Quartz crystal
Power consumption: Approx. 55mA
Power: 4×1.5V AA battery or to connect the DC 6V regulated power supply
Backlight Display: Yellow green backlight LCD display