Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 230

Chapter 12
Maintaining an Electron Capture Detector
1. Press LEFT DETECTOR or RIGHT DETECTOR,
depending on the location of the ECD, to access
the ECD control table. In the following
example, an ECD installed on the right channel
is considered.
2. Scroll subsequently to
and press OFF.
temp
3. Scroll to
Mkup(N2)
4. Disconnect the signal, excitation and heater
cables from the detector.
5. Remove the cover and the detector chimney
unscrewing the two retaining Allen screws. Use
a 1.5 mm Allen wrench.
6. Unscrew the collecting electrode and remove it
using tweezers.
230
and
Base temp ECD
and press OFF.
RIGHT DETECTOR (ECD)
Base temp
ECD temp
Ref current nA
Freq kHz
Pulse amp V
Pulse width us
Mkup (N2)
Maintenance and Troubleshooting Manual
Replace the Collecting Electrode
.
250 Off <
250 Off
1.0
(2.15)
25
1.0
40 Off