Specifications

748420-A
August 1999
22
Trace Oxygen Analyzer Module
Rosemount Analytical NGA 2000
4
M
AINTENANCE AND
T
ROUBLESHOOTING
Install replacement Sensor in reverse order. Check Sensor for leaks and add electrolyte as
described in section 2.2.1. Reinstall Sensor Assembly in Analyzer Module and reconnect J5
and J6 to the power board.
After installation of new Sensor, it will be necessary to load the new calibration data
supplied with the Sensor. Enter the new calibration data by entering the
Load Factory
Calibration Data
menu. You can get to this menu as follows:
Main Menu, Technical Level
Configuration, Analyzer Module Diagnostics, Calibration Parameters, Load Factory
Calibration Data.
This menu screen will look as follows:
F
IGURE
4-2. L
OAD
F
ACTORY
C
ALIBRATION
D
ATA
M
ENU
The data is supplied with the new sensor and must be entered exactly as shown on the
sensor data sheet. To enter the data for data points 4 & 5 and the sensor model, press the
MORE soft key to access the next screen.
4.5 F
LOW
S
ENSOR
R
EPLACEMENT
See figure 1-2 for Flow Sensor location. To replace Flow Sensor, remove all
connecting hardware and undo connections to the sample line. The Flow Sensor is
mounted to the Sensor Assembly mounting plate by two screws. Be sure to install the
new Flow Sensor with the flow indication toward the outlet.
Load factory calibration data
Concentration 1:
Output 1:
Temperature 1:
Concentration 2:
Output 2:
Temperature 2:
Concentration 3:
Output 3:
Temperature 3:
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