VICI D-4-I Instruction Manual User Manual
Valco instruments co. inc
Valco Instruments Co. Inc.
Valco Instruments Co. Inc.
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VICI AG International
Schenkon, Switzerland
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d4.P65
Rev. 5/12
Printed in USA
Pulsed Discharge Detector
Model D-4-I
Instruction Manual
Introduction
Description and Operating Principles ............................................................ 1
Safety Notes and Information ........................................................................ 2
Symbols ................................................................................................ 2
Installation Category ............................................................................. 3
Safety .................................................................................................... 3
Maintenance .......................................................................................... 3
Components of the Detector System ............................................................ 4
Description of Controls .................................................................................. 4
Specifications ................................................................................................ 8
System Requirements ................................................................................... 9
Components not Included with the Detector System ............................ 9
System Purity ........................................................................................ 9
Gas Specifications .............................................................................. 10
Installation
General Precautions .................................................................................... 11
Mounting the Detector on the GC ............................................................... 11
Gas Connections ......................................................................................... 11
Installing and Purging the Gas Regulator ............................................ 12
Installing and Purging the Helium Purifier ............................................ 13
Connecting the Discharge Gas to the Detector ................................... 13
Capillary Column Connection ...................................................................... 14
Packed Column Connection ........................................................................ 14
Testing for Leaks ......................................................................................... 15
Electrical Connections ................................................................................. 16
Initial Power-Up ........................................................................................... 17
Troubleshooting High Background Current .................................................. 17
Checking for Leaks in the Discharge Gas Plumbing ........................... 18
Column Bakeout Precautions .............................................................. 18
Mode Selection and Setup
Helium Ionization Mode ............................................................................... 19
Selective Photoionization Mode ................................................................... 19
Warranty ............................................................................................................ 21