FOT Lab Kit User’s Manual A-7
Error Codes:
CCalibration Complete. No errors.
UUnstable Temperature error. Temperature variation
too great. Could not get a stable reading.
EError. General error probably caused by one of the
following:
a. Measured temperature differs from specified
calibration temperature by more than eight (8)
degrees.
b. The calibration coefficient required is greater that 50%
of the measured temperature.
Example A: Success on all channels:
1:C 348.15 K 2:C 348.15 K 3:C 348.15 K 4:C 348.15 K
Example B: Unstable on channel 1 and general error on channel 2:
1:U 348.15 K 2:E 348.15 K 3:C 348.15 K 4:C 348.15 K
NOTE If a calibration error 'E' occurs on any input channel that input
will be disabled to prevent the uncalibrated readings that would be
reported for that channel from being interpreted as calibrated data. To
attempt recalibration it will be necessary to re-enable the failed
input(s). For example, if Channel 2 is reported to have an error as
shown in Example B (above), then Channel 2 will be disabled. The user
must disable calibration (CC=D) and reselect Channel 2 (and any other
desired channels) to be active (PS=1,2,3,4).Note that the m600 will
again operate in uncalibrated mode.. You may then re-enable the
desired channels (see PS command, page 4-16 ) and restart the
calibration sequence.
Analog Temperature Output Calibration
The FOT Lab Kit includes a 0-10V analog output for each installed
input. Because the output voltage is tied directly to the digital
temperature value it is unnecessary to calibrate the analog outputs.
The analog outputs may be scaled for the temperature range and
voltage range desired. Please refer to the descriptions of the AS
command, page 4-8 and AO command, page 4-7 for details.
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