Microcomputer Relay Protection Tester Panel Description 
1, alternating current AC, A (100A, 20A) output terminal;
2, DC current, A (5A, 200A) output terminal, red is "+", black is "-";
3, AC voltage AC, V output terminal;
4, DC current, V output terminal, red is "+", black is "-";
5, input terminals;
6, LCD liquid crystal display;
7, printer;
8, DC 5A, 200mA knob clockwise rotation, the output from small to large;
9, regulator, adjust the AC current, AC voltage, clockwise rotation knob, the output from small to large;
10, function operation keyboard;
11, the output switch;
12, power switch;
13, power outlet (AC, 220V) (5A).
5. Description of operation keys 1. Print: After the test is finished, this key can be used to print test data. Repeatedly print multiple times.
2. Time measurement: When the voltage (current) is adjusted to the rated value, press this key to automatically measure the relay pull-off time three times.
3. Measured value: Automatically test the pull-in and cut-off voltage (current) value of the relay and repeat the measurement three times.
4, right: cursor to the right.
5, upturn: number plus 1 or up menu.
6, down; digital minus 1 or down to select the menu.
7, standby: used to control the DC current output.
8. Return: Indicates to give up or return to the previous menu.
9. Confirmation: Indicates confirmation or enters the next level menu.
1, alternating current AC, A (100A, 20A) output terminal;
2, DC current, A (5A, 200A) output terminal, red is "+", black is "-";
3, AC voltage AC, V output terminal;
4, DC current, V output terminal, red is "+", black is "-";
5, input terminals;
6, LCD liquid crystal display;
7, printer;
8, DC 5A, 200mA knob clockwise rotation, the output from small to large;
9, regulator, adjust the AC current, AC voltage, clockwise rotation knob, the output from small to large;
10, function operation keyboard;
11, the output switch;
12, power switch;
13, power outlet (AC, 220V) (5A).
5. Description of operation keys 1. Print: After the test is finished, this key can be used to print test data. Repeatedly print multiple times.
2. Time measurement: When the voltage (current) is adjusted to the rated value, press this key to automatically measure the relay pull-off time three times.
3. Measured value: Automatically test the pull-in and cut-off voltage (current) value of the relay and repeat the measurement three times.
4, right: cursor to the right.
5, upturn: number plus 1 or up menu.
6, down; digital minus 1 or down to select the menu.
7, standby: used to control the DC current output.
8. Return: Indicates to give up or return to the previous menu.
9. Confirmation: Indicates confirmation or enters the next level menu.
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