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Calibration Procedures Teledyne API - Model T200H/T200M Operation Manual
200
5.7. CALIBRATION WITH REMOTE CONTACT CLOSURES
Contact closures for controlling calibration and calibration checks are located on the rear
panel CONTROL IN connector. Instructions for setup and use of these contacts can be
found in Section 4.15.1.2.
When the appropriate contacts are
closed for at least 5 seconds, the instrument switches
into zero, low span or high span mode and internal zero/span valves (if installed) will be
automatically switched to the appropriate configuration. The remote calibration contact
closures may be activated in any order. It is recommended that contact closures remain
closed for at least 10 minutes to establish a reliable reading; the instrument will stay in
the selected mode for as long as the contacts remain closed.
If contact closures are used in conjunction with the analyzer’s AutoCal (Section 5.8)
feature and the AutoCal attribute CALIBRA
TE is enabled, the T200H/M will not re-
calibrate the analyzer until the contact is opened. At this point, the new calibration
values will be recorded before the instrument returns to SAMPLE mode. If the AutoCal
attribute CALIBRATE is disabled, the instrument will return to SAMPLE mode,
leaving the instrument’s internal calibration variables unchanged.
07270B DCN6512