This instrument can output 3V power to servo valve and is convenient for testing servo valve and oil motor at site. Digital display meter tells the current that goes through servo valve and the unit is mA.
When using this instrument, start power switch and the indicator lights up, put function switch to simulation place, then turn the current adjustment knob in clockwise, the digital display meter tells the current value, indicating this instrument is in normal operation, then turn the current adjustment knob to zero. Put the servo valve plug into the servo valve and select the function switch to working place to connect the servo valve, and then start test work. Close power switch after completing this operation.
This instrument uses two types of battery: one 9V battery for LCD digital meter and LED diode, two AA batteries for servo valve.