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DO NOT operate this instrument in an excessively wet, oily, dusty, or dirty
environment.
The unit is a precision instrument. Although it has been designed for optimum
durability and trouble free operation, it must be handled with care.
Most probes have handle temperature limits. Be sure that the probe handle tem-
perature limit is not exceeded in the air above the instrument.
The instrument and any thermometer probes used with it are sensitive instru-
ments that can be easily damaged. Always handle these devices with care. Do
not allow them to be dropped, struck, stressed, or overheated.
When calibrating PRTs always follow correct calibration procedure and cali-
brate from high temperatures to low temperatures with the appropriate triple
point of water checks.
Components and heater lifetimes can be shortened by continuous high tempera-
ture operation.
If a mains supply power fluctuation occurs, immediately turn off the furnace.
Power bumps from brown-outs and black-outs can damage the instrument. Wait
until the power has stabilized before re-energizing the furnace.
The probe and the block may expand at different rates. Allow for probe expan-
sion inside the well as the block heats. Otherwise, the probe may become stuck
in the well.
1.3 Authorized Service Centers
Please contact one of the following authorized Service Centers to coordinate
service on your Hart product:
Fluke Corporation, Hart Scientific Division
5
1 Before You Start
Authorized Service Centers
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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