The switch characteristic tester can test the mechanical performance of switches such as electromagnetic and circuit breakers. The switch characteristic tester has high detection science and accurate detection parameters. After the evaluation, you can fully understand the mechanical condition of the equipment. Below, let's look at the use steps of the switch characteristic tester:

The first step is to introduce the four-terminal reflow resistance

The four-terminal lead-in return resistance is the first step of the work of the switch characteristic tester. Connect the return line of the tester to the four ports of the circuit board (operator). After the return resistance is exported, the reset table of the tester will start to left and right. Slight swing, which indicates that the switch characteristic tester has started normally.

Step 2 Connect to DC power supply

In order to ensure the safety of the equipment, most switching characteristic testers do not adopt the structure of built-in DC power supply, but separate the power supply from the equipment host. When working, you need to insert the equipment wire into the power connection port. When the values on the 3 sets of voltage display panels are all Three zeros indicate that the switch characteristic tester has entered the standby state.

Step 3 Press the measurement switch to adjust the value

After connecting the DC power supply of the switch characteristic tester, press the test switch, and the tester will enter the test working state. At this time, the value on the voltage instrument panel is shaking between 0.1-0.9, and the tester needs to manually adjust the pointer. To 0.5 (if it is an intelligent operation panel, just input 0.5 directly), the adjustment is completed, and the work starts.

Step 4 Close the power supply circuit. Cut off the power supply

After the test, the switch characteristic tester can automatically reset. In order to ensure the safety of the equipment and personnel, the tester needs to close the power circuit and cut off the power in time.

The above are the steps to use the switch characteristic tester. First, after the four-terminal position is introduced into the return resistance and the DC power supply is connected, the switch characteristic tester starts to enter the standby state. When everything is ready, press the measurement switch to adjust the value and test When finished, turn off the power circuit and cut off the power in time. It should be reminded that the tester must wear insulated gloves throughout to prevent personal injury caused by current leakage.