MSA Ultima Series User Manual

• The 4 - 20 mA output will be set as selected (4 mA or 20 mA).
• The 4 - 20 mA output stays in a CAL output for one minute.
6. To ADJUST, press the 1 button.
• The display prompts: +=INC -=DEC.
7. To increase the current 4 mA or 20 mA setpoint, aim the controller
at the sensor and press the + button.
To decrease the current 4 mA or 20 mA setpoint,
press the - button.
• The display toggles between gas value and CAL.
• The adjusted 4 - 20 mA output will be set to the
adjusted 4 mA or 20 mA output level.
• The 4 - 20 mA output stays in a CAL output for one minute.
8. Repeat the procedure to continue to adjust the output.
NOTE: Adjusting the 4 mA output changes the 20 mA setting.
Always re-adjust the 20 mA output after adjusting the
4 mA output. Adjusting the 20 mA output will not change the
4 mA output setting.
Procedure 14. Resetting the Ultima X Series Monitors
1. Press the SEND button.
• The display prompts: SEND?.
2. Press the SEND button.
• The display prompts: 0=RstDt 1=RstSn.
3. To reset the datasheets, press the 0 button.
a. The display prompts: RstData 0=N 1=Y.
NOTE: Resetting the datasheets loads the factory defaults for the
attached sensor. The user must reconfigure the instrument
for their desired settings. A successful calibration must also
be performed after resetting the datasheets.
To reset the instrument, press the 1 button.
a. The display prompts: RstSnsr 0=N 1=Y.
4. Aim the Controller at the sensor and press the 0 button to cancel,
or press the 1 button to reset.
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MSA Ultima Series Specifications

General

Display	LCD with backlight
Communication Ports	RS-485, Modbus RTU
Measurement Range	Depends on sensor connected
Accuracy	Depends on sensor connected
Outputs	relays
Certifications	UL