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MSA Ultima Series User Manual

MSA Ultima Series
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7. Enter the desired value in an appropriate range for the gas type
used. (Leading zeros are required.)
• The DEL button can be used to delete number entries before
the ENTER button is pressed
The Ultima Gas Monitor shows the new alarm setpoint value
and status of that setpoint [enabled (ON) or disabled (OFF)].
NOTE: The combustible alarm setpoint value cannot be set
greater than 60% LEL.
8. Aim the controller at the sensor and press the ENTER button.
If the alarm setpoint value is greater than the full scale gas
concentration value, the Controller will not change the setpoint
value; re-enter an alarm setpoint value lower than or equal to
the full scale gas concentration value
Repeat this procedure for each alarm level.
Setting the Three Ultima X Series Gas Monitor Alarm
Setpoint Values
The Ultima X Series Gas Monitor has three alarm levels.
The relay option provides:
three levels of relays and
a normally-energized trouble relay.
The three levels of alarm display on the Ultima X Series LCD display
even if the relay option is not installed.
To set the three levels of alarm:
1. Press the SEND button.
The display prompts: SEND?
2. Press the ALARM button.
• The display prompts: 0=SetPt 1=OnOff.
3. To set the alarm values, press the 0 button.
• The display prompts: Alm Set Point #.
4. Using the NUMBER buttons, enter the desired alarm setpoint 1, 2
or 3; then, press the ENTER button. (Invalid entries are ignored.)
The display prompts: SetPVal ####.##.
5. Using the NUMBER buttons, enter the desired value
(ATM style, lagging zeros are required).
3-8

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MSA Ultima Series Specifications

General IconGeneral
DisplayLCD with backlight
Communication PortsRS-485, Modbus RTU
Measurement RangeDepends on sensor connected
AccuracyDepends on sensor connected
Outputsrelays
CertificationsUL

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