RS 53 II, Operator'S Manual

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Safety Information
To ensure safe and reliable operation of this
thermometer, read these instructions fully before use.
Failure to use this thermometer as described in these
instructions may result in personal injury or damage to
the thermometer or other equipment.
•
Before using the thermometer, inspect the case and
probe(s) for damage. Do not use the thermometer if
it appears damaged.
•
Check the thermometer for correct operation before
using it to make measurements. Do not use it if it
operates incorrectly, but return it to RS Components
for repair or calibration – The address is given at the
end of these instructions.
•
Disconnect the thermocouple probe(s) from the
thermometer before opening the case to replace the
batteries.
•
Do not use the thermometer in an environment
where explosive gas, vapor, or dust may be present.
•
Do not use the thermometer to measure the
temperature of Hazardous Live conductors or
equipment.
•
Model 55II: Measurement errors may occur if
voltages on the measurement surfaces result in a
potential difference greater than 1 V between the
two thermocouples. When potential differences are
anticipated between the thermocouples, use
electrically insulated thermocouples.
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Caution
If the thermometer is used in the vicinity of equipment
which generates electromagnetic interference, the
display may become unstable or the measurements
shown may be subject to large errors.