Scion Instruments 456-GC Reference Manual page 10

Scion Instruments
Front detector (TCD):
Temperature:
Time constant:
Filament temp.:
Range:
Polarity:
Autozero:
DEFC-14
Reference flow:
Make-up flow:
Middle detector (FID):
Temperature:
Time constant:
Range:
Autozero:
DEFC-11
Make-up (N2):
Hydrogen:
Air:
Rear detector (ECD):
Temperature:
Time constant:
Cell current:
Contact Potential:
Range:
Autozero:
DEFC-13:
Makeup (Ar/CH4):
Refer to section 1 for the actual method(s).
Never interrupt an analytical run. The complete cycle has to finish
The system has two sampling valves. Both valves inject simultaneous on
both channels
Scion Instruments
200 ºC
slow
280 ºC
0.05
negative
yes
20 ml/min
20 ml/min (sample line purge)
300 ºC
slow
12
yes
10 ml/min
30 ml/min
300 ml/min
350 ºC
slow
Ar/CH4
300 mV
10
yes
10 ml/min
Greenhouse Gases Analyzer Reference Manual Page: 10