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1. Data backup for power fail
2. UH/LF testing tachometer
3. Multifunction intelligent meter used as counter frequency meter. speed meter etc
4. Input sensor :hall sensor optical sensor , touch point switch
5. Output DC5V. DC12V voltage. support output optical sensor offer about 30mA ampere
6. Relay outputting , controlling or warning
7. If the meter must won be used of a long time, please connect power supply once every three month, not less than 4 hours each time.
8. Store the meter in the shade with non high light-line with temperature of -10 to +700, and humidifies of less than 60%. Dont contact with organic solvents or gas.