User Documentation
312661740000/01/06-2020
Maintenance
Maintenance
Cleaning
Periodically wipe the case and display with a damp cloth and mild detergent. Do not use abrasives or
solvents. Dirt or moisture in the terminals can aect readings and should be removed when evident.
To clean the terminals:
1. Ensure that the instrument is in the shutdown state.
2. Remove the battery cover and remove one of the batteries, remove the charge unit cord from the DC
socket.
3. Remove the test leads.
4. Shake out any dirt that may be in the terminals.
5. Soak a cotton swab with white spirits alcohol and clean inside and around each terminal socket on the
instrument.
6. Likewise, clean the test lead plugs with white spirits alcohol.
Replacing main battery
It is recommended that AA NiMH cells with at least 2300 mAh be used in this instrument (refer to General
specications section). Typically, such batteries can withstand 500 recharge cycles.
• Do not use non-rechargeable batteries. Use only rechargeable batteries NiMH, 1.2 V, AA.
• To avoid electrical shock or personal injury, remove the DC charger plug and the test lead set
before replacing the battery. Be sure that the battery polarity is correct. A reversed battery may
damage the instrument.
To replace the batteries:
1. Turn o the instrument.
2. Remove the test lead set from the front terminals.
3. Remove the battery cover locking screw if present using a small Philips screwdriver.
4. Press the release latch and remove the battery cover.
5. Replace the batteries by observing the marked polarities and replace the battery cover.
6. Secure the cover by replacing the locking Philips screw.