Please don't turn off the power directly in the output state,Relay Tester so as to avoid the wrong operation due to the output error during the shutdown.Relay Tester The input amount is compatible with empty contacts and potentials (0-250VDC). When live contacts are used, the high end of the contact potential (positive electrode) should be connected to the COM terminal of the common terminal. When using this microcomputer-based relay protection tester,Relay Tester do not block or close the air vents of the fuselage. Generally, Relay Tester the microcomputer-based relay protection tester is placed standing or with its support feet tilted slightly.

It is forbidden to introduce external AC and DC power to the voltage and current output jacks of the tester. Otherwise,Relay Tester the tester will be damaged. If the site interference is strong or the safety requirements are high, before the test,Relay Tester please reliably ground the grounding end of the power cord (3-core) or the grounding hole of the device.Relay Tester If the interface data error or the device cannot be connected during use,Relay Tester it can be solved as follows: touch the reset button to reset the DSP; or exit the running program to return to the main menu and re-run the program,Relay Tester all data on the interface will be Revert to the default value.