Vici D-4-I-SH14-R Manual de usuario

Valco Instruments Co. Inc.Valco Instruments Co. Inc.800 · 367· 8424 sales713 · 688· 9345 tech713 · 688· 8106 [email protected] AG InternationalSch

6InstallationGeneral Precautions • Do not use plastic/polymer or copper tubes for gas handling andinterconnectons. Use only stainless steel tubing w

7InstallationGAS CHROMATOGRAPHTEE(ZT1)HELIUMPURIFIERDISCHARGE GAS(99.999% He)TGA-R-30F60PRESTRICTOR(30 mL/min minimum)VENTCOLUMNINLETDISCHARGE GASINLE

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

9Pulser Module Installation1. Mount the pulser module as shown above in Figure 5.2. Power to the pulser module is provided through the pulser power su

10Detector Electrical ConnectionsCAUTION: Do not use a wrench to tighten the SMCconnectors on the bias and electrometer cables.Connections should be f

113. Set the detector temperature to 100°C and allow time for the detector andhelium purifier to reach the set temperature.4. Set the range to 102 an

12InstallationCapillary Column ConnectionIf the capillary column adapter is installed in the column inlet:1. Make a mark on the column 11.4 cm from th

133. 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

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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16TroubleshootingHigh Background CurrentLow SensitivityPurple/bluePinkDisconnect the columnand cap the column inletBaseline current is still high(>

17High Noise LevelIf the noise lievel is high:1. See if it improves with the GC fan turned off.2. Check the column insertion position (11.4 cm for cap

18WarrantyThis Limited Warranty gives the Buyer specific legal rights, and a Buyermay also have other rights that vary from state to state. For a peri

19Detector Performance LogIn addition to the occasions indicated in the Comments area of the table below (see Initial Power-Up,page 10), the standing

Table of ContentsIntroductionDescription and Operating Principles ... 1Safety Notes and Infor

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1IntroductionDescription and Operating PrincipleThe PD-D-4-I-SH14-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 thecontents of the packages to verify that every

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