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MODEL 2230R, Process Hydrogen Analyzer
Page 11
Step
Description
1
Power units on in 5% H₂/N₂ by volume or greater
2
Operate the Model 2230R Analyzer in the 5% H₂/N₂ or greater gas for six hours or
longer
3
Check to see if the sensor readings were accurate and stable over that time
4
If the readings are not accurate and stable, condition the sensor in 5% H₂/N₂ or
greater gas overnight and perform the Verification and Calibration described later
in this manual.
3.5 SETTINGS
The unit’s operational and output settings have been configured at the manufacturer with
settings specified at the time of purchase. Settings may be changed through the use of Serial
Communication as described in section 4, or through the use of an Optional User Interface
Module.
3.6 VISUAL STATUS INDICATOR
Located on the front of the unit next to model number marking, the Status Indicator LED
displays basic unit function as described below.
Status Indicator Color
Normal operation / Hydrogen Detected below R1 set point GREEN
Warm-up / Hydrogen Detected above R1 and below R2 set points AMBER
Hydrogen Detected above R2 set point/ Unit fault detected RED
3.7 OPTIMUM UNIT PERFORMANCE
For maximizing the performance of the sensor, the following steps are recommended.
• Verify that all electrical connections and made as recommended. Switching the polarity can
cause damage to the unit. Ensure that the DC power supply utilized is appropriate and does
not have large peak-to-peak noise.
• Perform a Field Calibration after installation and conditioning steps described in the Start-
up section are completed.
WARNING: IF SETTINGS ARE CHANGED FROM THOSE SET BY THE
MANUFACTURER THEN IT IS THE USER’S RESPONSIBILITY TO
UNDERSTAND THE IMPLICATIONS TO THE CONNECTING EQUIPMENT
MONITORING THE UNIT.