Ultima Calibrator
The Ultima Calibrator allows the following functions:
• Zero
• Calibration (zero and span)
• Changing address for some models.
Ultima Controller
The Ultima Controller also provides the above functions, plus access to
the following features:
• Three levels of alarm and relays
• Date of last successful calibration
• Maximum gas readings over selected time periods
• Average gas readings over selected time periods
• Changing span gas value from factory-set value
• Access to real-time clock for time and date
• Changing of full scale value.
NOTE: See Ultima Controller/Calibrator manual (P/N 813379) for
full functionality.
NOTE: When an Ultima X Series Gas Monitor has an active latched
alarm (indicated by a flashing alarm display):
• An infrared (IR) remote device (such as the Ultima
Calibrator or Controller) may be used to reset this alarm.
• The next IR command it receives from a calibration device
will reset the latched alarm (if it is not beyond the alarm
threshold). The intended IR command will be ignored and
interpreted as an 'alarm reset.' When the latching alarm
function is inactive, other valid IR commands may be used.
Calibration Output Signal
The Ultima X Series Gas Monitor is shipped with the calibration output
signal DISABLED so the output signal will track the gas concentration
value during the calibration process. In some applications, it may be
desirable to disable or lock the output to a pre-determined output value
to prevent activation of alarm devices. The calibration signal can be
ENABLED using the Ultima Controller or a HART controller with DDL-
or manufacturer-specific command capability. When the calibration
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