PN 9000-133-VE, Rev U
Basic Elements of the Analyzer
The WDG-V series analyzer consists of the following basic systems:
•
Plumbing
All inlet and outlet tubing, O
2
cell housing, and the combustibles flow
block. Also includes the calibration gas inlet and aspirator assembly, flow
sensor, and the aspirator used to pull the sample into the analyzer.
•
Measuring System
The oxygen cell, combustibles detector, methane detector, and flow sen-
sor.
•
Temperature System
The electrical cell heater (furnace), sensor case heaters, the Type K
Thermocouple (maintains cell operating temperature). The sensing cell
operates at a constant temperature. The circuit board in the analyzer elec-
tronic box switches power to the furnace from the AC mains connected to
the analyzer. This board also provides cold junction compensation to the
thermocouple circuit.
Analyzer I/O
All required I/O comes with the analyzer. See “About the Analyzer Electronics”
for descriptions.
Analyzer Communications
The WDG-V is a complete standalone unit. No separate controller is required.
The analyzer is configured, calibrated and monitored using the MODBUS RTU
interface. Communication with the analyzer is provided via the Display User In-
terface, or the WDG-V Configurator Software via PC (standard with each unit).
1-2 | Thermox
®
WDG-V / VC / VCM / VM
Содержание WDG-V
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Страница 93: ...PN 9000 133 VE Rev U Figure 3 4 Thermocouple replacement Maintenance and Troubleshooting 3 19...
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Страница 101: ...PN 9000 133 VE Rev U Figure 3 9 Combustibles Block Heater Replacement Maintenance and Troubleshooting 3 27...
Страница 103: ...PN 9000 133 VE Rev U Figure 3 10 Sensor board removal Maintenance and Troubleshooting 3 29...
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