Vici D-4-I-VA38-R Manuel d'utilisateur

Valco Instruments Co. Inc.Pulsed Discharge Detector Model D-4-I-VA38-R Instruction Manual Rev 1/15 Valco Instruments Co. Inc.800 · 367· 8424 sales 71

6DETECTOR MOUNTING BASEHEATERCABLEMOUNTING BASESCREWS (4)HEATER BLOCKSCREWS (2)TEMPERATUREPROBEHEATER BLOCKInstallationGeneral Precautions• Do not use

7InstallationGAS CHROMATOGRAPHCROSS(ZX1)HELIUMPURIFIERDISCHARGE GAS(99.999% He)TGA-R-35F80PRESTRICTOR(35 mL/min minimum)VENTCOLUMNINLETDISCHARGE GASIN

8InstallationEZR217. Open the cylinder valve to pressurize the regulator once again. Close thevalve and observe the needle of the high pressure gauge

9InstallationCapillary Column ConnectionIf the capillary column adapter is installed in the column inlet:1. Make a mark on the column 11.4 cm from the

103. Set aside the 1/8" wrench and completely remove the adapter from thecolumn inlet.4. Screw the packed column adapter into the column inlet by

11InstallationPulser Module Installation1. Mount the pulser module in the pneumatics area of the GC, using existingslotted screw holes. (Figure 5)2.

12InstallationDetector Electrical ConnectionsCAUTION: Do not use a wrench to tighten the SMCconnectors on the bias and electrometer cables.Connections

13InstallationInitial Power-Up1. Set the discharge gas flow as specified in Figure 4 on page 7.CAUTION: Always make sure that discharge gas isflowing

14Mode Selection and SetupHelium Ionization ModeIf the instructions of Step 1 at the top of page 9 were properly executed,the column should already be

15Mode Selection and SetupAr-PDPIDChanging the discharge gas from helium to a mixture of 2% argon inhelium changes the photon energy level from the 17

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16WarrantyThis Limited Warranty gives the Buyer specific legal rights, and a Buyermay also have other rights that vary from state to state. For a peri

Table of ContentsIntroduction Description and Operating Principles ...1 Safety Notes an

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1IntroductionDescription and Operating PrincipleThe PD-D-4-I-VA38-R is a non-radioactive pulsed discharge ionization detector(PDID) which is optimized

2Helium Ionization (PDHID)The PDHID is essentially non-destructive (0.01 - 0.1% ionization) and highlysensitive. The response to organic compounds is

3Components of the Detector SystemComponents of the detector system are listed in the Table 1. Check the contents of the packages to verify that eve

4IntroductionSystem RequirementsComponents Not Included with the Detector System • Helium (99.999% purity) and other support gases • Ultra high puri

5IntroductionedoMrotceteDDIHDPDIPDP-rADIPDP-rKDIPDP-eXsagegrahcsiDmuileHeHnirA%2eHnirK%5.1eHnieX%8.0sagreirraCmuileH*****Gas Specifications** Any gas