VICI D-4-I-TQI-R User Manual
Valco instruments co. inc

Valco Instruments Co. Inc.
Valco Instruments Co. Inc.
800
· 367·
8424 sales
713
· 688·
9345 tech
713
· 688·
8106 fax
Valco International
Schenkon, Switzerland
Int + 41
· 41
· 925·
6200 phone
Int + 41
· 41
· 925·
6201 fax
d4_therm.P65
© 2002 Rev. 1/02
Printed in USA
Pulsed Discharge Detector
Models D-4-I-TQ-R
and D-4-I-TQI-R
Instruction Manual
Description and Operating Principles ............................................................ 1
Safety Notes and Information ........................................................................ 2
Components of the Detector System ............................................................ 3
System Requirements ................................................................................... 4
General Precautions ...................................................................................... 6
Mounting the Detector on the GC ................................................................. 6
Pulser Module Installation ............................................................................. 6
Gas Connections ........................................................................................... 7
Installing and Purging the Gas Regulator .............................................. 7
Installing and Purging the Helium Purifier .............................................. 8
Connecting the Discharge Gas to the Detector ..................................... 8
Detector Electrical Connections .................................................................... 9
Initial Power-Up ........................................................................................... 10
Capillary Column Connection ...................................................................... 11
Packed Column Connection ........................................................................ 11
Testing for Leaks ......................................................................................... 12
High Background Current ............................................................................ 15
Low Sensitivity ............................................................................................ 15
No Peaks ..................................................................................................... 15
High Noise Level ......................................................................................... 16
Performing a Hydrogen Leak Test ............................................................... 16