Section Three- Maintenance - RuoShui 01+ Operation Manual

h) O N
output signals.
i) Pt10, Pt100, Pt200, Pt500, Cu50, Cu10 :
indicates graduated
resistance(RTD).
j) R, S, K, E, J, T, B, N: indicates graduated No.
of thermocouple(TC).

Section Three- Maintenance

This section provides some basic maintenance
procedures. Repair, calibration, and servicing not
covered in this manual must be performed by qualified
personnel. For maintenance procedures not described in
this manual, contact a Service Center.
(1) General maintenance

Periodically wipe the case with a damp cloth and
detergent; do not use abrasives or solvents.
 Take out the batteries if the meter won‟t be used for
a long time.

Dirt or moisture in the terminals can affect readings.
Clean the terminals as follows:
(1) Turn the meter off and remove all test leads.
(2) Shake out any dirt that may be in terminals.
(3) Soak a new swab with alcohol. Clean each terminal
with the swab.
(2) Replacing the batteries
The meter is powered by two LR6 alkaline batteries
(AA).
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:indicates connection of
No. of thermal
Warning
To avoid electrical shock or personal injury:

Remove test leads from the meter before
opening the battery door.

Close and latch the battery door before using
the meter.
Note

The new and old batteries can not be mixed.
 Make sure the battery‟s odes are in accordance
with the marks illustrated in battery pool when
replacing them.
 Take out the batteries if the meter won‟t be used
for a long time.

Dispose the old batteries in accordance with the
local law.
Replace the batteries as follows (See Figure 3-1):
1. Turn the rotary switch to OFF and remove the
test leads from the terminals;
2. Take off the support of the meter, remove the
battery door by a standard-blade screwdriver,
and then take off the battery case;
3. Replace with two new batteries;
4. Reinstall the battery case, spin the screws and
tighten screws.