Application:
This instrument is mainly used to measure all kinds of machinery and equipment of the speed.

Main technical parameters:
Measurement accuracy: 2 level
Size: 100(mm)
Using condition: tachometer in the environmental temperature from-20~50℃, relative humidity in less than 85% of the normal work of the environment.
The basic error: tachometer in 20℃±2 ℃, basic error for measurement of the upper limit value of the ±2%.
Temperature effect: when the temperature changes from 20±2℃ to -20~50℃, tachometer and values are not more than basic error limit absolute value.

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