High-precision LED digital display non-contact digital laser tachometer, RPM tachometer. SW-6234C is a non-contact tachometer, non-contact designed using photoelectric technology for detecting some fast and unmeasurable objects. During the operation and maintenance of the miners, we can use it to detect the fan speed, and each fan model has a standard speed. If the fan speed is too fast or too slow, it will affect the normal operation of the miner. There is an automatic storage memory function. When the measurement is over, the maximum, minimum, and last values of the measurement are automatically stored in the meter. When viewing, you only need to press the memory button, and the measured value will be displayed on the high-definition large screen. The reading is clear. When the battery voltage is lower than 4V, a battery symbol will appear on the left side of the display, indicating that the voltage is too low and the battery needs to be replaced.

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