Cen Tech Seven Function Digital Multimeter Battery Replacement Repair Guide

Difficulty

Easy

Steps

7

Time Required

                          5 minutes            

Sections

2

• Mainboard
• 5 steps
• Battery
• 2 steps

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Introduction

What you need

Step 1

              Position Device               

• Place the meter face down, and the back panel and screws can be seen.

Place the meter face down, and the back panel and screws can be seen.

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Step 2

              Remove Back Panel Screws               

• Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.

Unscrew the two 9mm screws on the back panel using a #0 Phillips screwdriver.

Step 3

              Remove Back Panel               

• Remove the back panel of the device by lifting upward.
• Remove the battery from the meter before continuing.

Remove the back panel of the device by lifting upward.

Remove the battery from the meter before continuing.

Step 4

              Unscrew Motherboard               

• Remove the four 7mm Phillips screws holding the circuit board in place.

Remove the four 7mm Phillips screws holding the circuit board in place.

Step 5

              Remove Motherboard               

• Gently lift the circuit board away from the device casing.
• Remove the battery after removing the back cover to reduce the chances of short-circuiting the circuit board.

Gently lift the circuit board away from the device casing.

Remove the battery after removing the back cover to reduce the chances of short-circuiting the circuit board.

Step 6

              Locate Battery Attachment               

• After removing the outer casing and motherboard of the device, locate the attachment site of the battery to the motherboard.

After removing the outer casing and motherboard of the device, locate the attachment site of the battery to the motherboard.

Step 7

              Remove Battery               

• Unsnap the battery from its attachment plate.
• When replacing the battery with a new one, be sure to properly align battery heads (positive and negative) with snaps. The positive battery head should be connected to the negative wire, and vice versa.

Unsnap the battery from its attachment plate.

When replacing the battery with a new one, be sure to properly align battery heads (positive and negative) with snaps. The positive battery head should be connected to the negative wire, and vice versa.

To reassemble your device, follow these instructions in reverse order.

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                    Anna Kihm                     

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                       Clemson, Team 2-4, Benson Fall 2014                        

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Osman Vincent - Jan 27, 2019

Reply

My case was glued or welded together. I thought it was going to break elsewhere first

No need to remove the board. Just use a screwdriver to pop the battery connector off

dan - Dec 4, 2022

Reply

In at least some of these meters, the caution label has been applied upside-down, so that it covers the screw holes.

The top of the panel has two tabs engaged (can be seen by carefully examining photos above). After screws are freed, lift the bottom edge first to allow tabs to disengage. Also, routing of battery clip wires is critical; take care that they clear the case edges.