Changing The Batteries; Changing The Fuses - Iso-Tech IDM 203 RMS Instruction Manual

7. Changing the batteries

This meter is powered by a 9V d.c. supply from a transformer-equipped power supply unit or from six 1.5V batteries (AA).
To change the batteries, see Fig. 3a and follow the instructions given below.
1. Remove the probes from the item from which measurements are being taken, switch the supply off from the switch at the
back of the meter and unplug the test leads and mains lead from the jacks.
2. Open the accessory compartment by releasing the catch and hinging back the cover and take out all the accessories.
3. Using a screwdriver or some other suitable means, release the cover of the battery compartment and lift it out.
4. Disconnect the connector from the battery holder and take the batteries out of the holder.
5. Fit the new batteries into the holder and reconnect the connector to the battery holder connections.
6. Fit the battery compartment cover back into the meter.

8. Changing the fuses

To check and change the fuses, see Fig. 3b and follow the instructions given below.
1. Carry out steps 1 to 3 of the instructions for changing the batteries.
2. Using a screwdriver or some other suitable means, release the battery compartment cover and lift it out.
3. Remove the faulty fuse by carefully levering one end up out of the fuse holder and then pulling the fuse out of the fuse
holder by this end.
4. Fit a new fuse of the same size and ratings into the fuse holder. Make sure that the fuse is centered longitudinally in the
fuse holder.
6. Fit the battery compartment cover back into the meter.
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