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Portable Calibration Baths
Troubleshooting
75
Problem Actions
Fluid spills out of the tank
Fluid normally expands as the temperature increases.
Use the overflow kit to capture excess fluid.
Remove the overflow plug.
Do not overfill the tank.
The fluid gives off fumes or odor
Fluid normally produces fumes at high temperatures.
Use a ventilation duct to capture vapors.
Install the probe access cover.
Reference probe reading is incorrect
Check that the reference PRT is connected properly.
Check that the reference PRT is configured properly.
Verify that the coefficients are correct.
RTD reading is incorrect
Check that the RTD is properly connected.
Check that the DUT is configured with the correct RTD
type.
Test another sensor.
Thermocouple reading is incorrect
Check that the thermocouple is wired correctly to the
miniature thermocouple plug.
Check that the thermocouple is plugged into the Input
Module thermocouple input.
Check that the DUT is configured with the correct
thermocouple type.
Transmitter reading is incorrect
Check that the transmitter wires are connected to the
correct terminals of the Input Module 4–20 mA.
Check that the DUT is configured for mA.
Check the Loop Power setting.
Push the Default function key to restore the correct
Span, Offset, and Unit settings.
Check the current fuse of the Input Module.
Self-check fault message is displayed
The power-on self-check may fail the cutout check if the
Calibration Bath experiences brief power loss while
heating. Turn off the Calibration Bath and wait five
minutes before you turn it on again.
Check that nothing obstructs the stir propeller.
Check that the tank is filled with fluid.
USB remote interface does not respond
Install the USB device driver from the CD on the
computer.
Select the correct virtual com port in the software.
Terminate each line of data with CR or LF.
RS-232 interface does not respond
Check that the cable is null-modem.
Select the same baud rate in the Calibration Bath and
computer.
Terminate each line of data with CR or LF.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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