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How to replace the battery and fuse of the multimeter?

Abstract: 本文说明了万用表电池和保险丝的更换步骤及安全警告。更换电池时,需确保仪表断电,先拧开电池后盖,将新电池正确安装并固定。电池电量不足时,显示屏会出现警告符号。更换保险丝时,同样需断开表笔和电源,打开保险丝门,取出旧保险丝并安装新保险丝,确保使用正确型号(0.5A/600V用于400mA量程,20A/250V用于20A量程)。操作过程中务必断电,以防触电。

Replacement battery

Warning: To prevent electric shock, before and after opening the battery back cover, do not operate the meter and disconnect the test leads from the power supply.

1. When the battery voltage is insufficient, the " How to replace the battery and fuse of the multimeter?  Picture 1" symbol will appear on the display, and the battery should be replaced at this time.

2 Follow the steps below to install the battery.

3. Properly dispose of waste batteries.

WARNING: To prevent electric shock, do not operate the meter until the battery back cover is installed and secured.

battery installation

Warning: To prevent electric shock, before and after opening the battery back cover, do not operate the meter and disconnect the test leads from the power supply.

1. Disconnect the test leads from the meter.

2. Unscrew the nut on the battery back cover with a screwdriver.

3. Install the battery correctly, the positive and negative poles should be consistent.

4. Close the battery back cover and tighten the screws.

WARNING: To prevent electric shock, do not operate the meter until the battery back cover is installed and secured.

Note: If the instrument does not work normally, please check whether the fuse and battery are in good condition and whether they are placed in the correct position.

replace fuse

Warning: To prevent electric shock, please disconnect the test leads from the power supply before opening the fuse door.

1. Disconnect the test leads from the meter and other measured objects.

2. Unscrew the nut on the fuse door with a screwdriver.

3. Gently take out the used fuse.

4. Insert a new fuse.

5. Use the correct type and value of the fuse. (0.5A/600V fast blow fuse for 400mA range, 20A/250V fast blow fuse for 20A range)

6. Put back the back cover and tighten the screws.

WARNING: To prevent electric shock, do not operate the meter until the safety cover is closed.

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