Micro-Cell Electron Capture Detector (Uecd); Replacing The Uecd Heater/Sensor Assembly - Agilent Technologies 7820A Service Manual

Micro-cell Electron Capture Detector (uECD)

Agilent 7820 GC Service
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This detector simply ignores most compounds, but responds with
enormous sensitivity to electron-accepting species such as the
halogens.

Replacing the uECD heater/sensor assembly

After removing the uECD detector from the GC, you can further
disassemble it to replace the heater/sensor assembly.
The ECD micro-cell contains radioactive
To reduce the risk of exposure, wear disposable
gloves while handling the ECD micro-cell. When
you are finished, dispose of the gloves and
wash your hands with soap and water.
1 Remove the detector.
Loosen the locking tab screw on top of the detector, slide the
locking tab back, and pivot it out of the away.
Lift the thermal cover up and carefully slide it off the anode
assembly.
Remove the two screws holding the upper heated block onto the
assembly. Lift the block over the anode lead and remove.
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Ni.