DT-2235A Digital Tachometers

Digital Tachometers

Display: 5 digits, 31mm LCD
Test Range: 
CONTACT TACH: 0.5 to 19, 999RPM
SURFACE SPEED: 0.05 to 1999.9m/min
0.2 to 6, 560ft/min
Resolution: 
CONTACT TACH: 0.1RPM (0.5 to 999.9RPM)
1RPM (over 1000RPM)
SURFACE SPEED: 0.01m/min (0.05 to 99.99m/min)
0.1m/min(over 100m/min)
0.1ft/min (0.1 to 999.9 ft/min)
1ft/min (over 1000 ft/min)
Accuracy: ±(0.05% +1 digit)
Sampling Time: 0.8 sec. (over 60 RPM)
Test Range Select: Automatic
Memory: Max. Value, Min. Value, Last Value. 
Battery: 4×1.5V UM-3
Power Consumption: Approx. 45mA
Operation Temp.: 0 to 50 C(32 to 122 F)
Size: 195×76×40mm