1,Measuring RPM is safe & accurate without attachment to object.

2,Wide measuring range & high resolution.

3,Digital display gives exact RPM with no guessing or errors.

4,Used the exclusive MICRO-COMPUTER LSI-circuit and crystal time base to offer the high accuracy measurement & fast measuring time.

5,The last Value/max. Value/min. Value will be automatically stored in memory and can be displayed by turn.

6,The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortably in either hand.

Model:DT2236

Measuring range: rotative velocity photo 2.5-99999r/min

                                   Contact 0.5-1999r/min

metric: 0.05-1999.9 m/min

                                  imperial 0.2-6560ft/min

Laser tach detecting distance: laser 50-600mm

LED50-200mm

Accuracy: ?0.05%n+1d)

Resolution: 0.01/0.1/1

Memory: max/min/last value

Power supply: 4x1.5V AA (UM-3) battery

Battery indicator: low battery indicator

Dimensions: 220x68x38mm
Weight (not including probe): 194g