Thermo Scientific TRACE GC Ultra Maintenance And Troubleshooting Manual page 261

Replace the NPD Thermionic Source
1. Press LEFT DETECTOR or RIGHT DETECTOR,
depending on the location of the NPD detector,
to access the NPD control table. In the
following example, a NPD installed on the right
channel is considered.
2. Scroll to
Base temp
3. Scroll subsequently to
and press OFF.
and
Mkup
4. Disconnect the signal and source cables from
the detector.
5. Loosen the fixing screw on the front of the
detector cell and remove it.
Maintenance and Troubleshooting Manual
and press OFF.
,
Source curr,H2 Air
Maintaining a Nitrogen Phosphorus Detector
RIGHT DETECTOR (NPD)
Source cur,A
Base temp
Signal pA
Polarizer V
H2 delay time
H2
Air
Mkup N2
Chapter 13
.
Off <
300 Off
(10.2)
3.5
Off
2.3 Off
70 Off
15 Off
261