Iso-Tech IDM93N Manuel D'instructions page 24

4-2 Battery Installation or Replacement
The meter is powered by a single 9V battery. Refer to Figure 2A and use the following procedure to replace the battery:
1. Disconnect the test leads and switch the meter off. Remove the test leads from the front terminals.
2. Remove the holster.
3. Position the meter face down. Remove the three screws from the case bottom.
4. Lift the end of the case bottom until it gently unsnaps from the case top at the end nearest the LCD.
Lift the battery from the case top, and carefully disconnect the battery from battery connector leads.
6. Snap the battery connector to the terminals of a new battery and reinsert the battery into the case top.
Make sure that the battery leads do not become pinched between the case bottom and case top.
7. Replace the case top and case bottom. Reinstall the three screws and replace the holster.
24