Vici D-4-I Instruction Manual Manual do Utilizador

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

8SpecificationsMains (line): 115/230 V~50/60 Hz, 175 VAFuse: 2 A, time-delay, 5 x 20 mmPressure: 6.9 kPa (1 psi) operating, 6.9 MPa (1000 psi) max.wor

9System RequirementsComponents Not Included with the Detector System • Helium (99.999% purity) and other support gases • Ultra high purity grade gas

10edoMrotceteDDIHDPDIPDP-rADIPDP-rKDIPDP-eXsagegrahcsiDmuileHeHnirA%2eHnirK%5.1eHnieX%8.0sagreirraCmuileH*****Gas Specifications** Any gas including H

11InstallationThe detector is usually mounted on top of the GC column oven. The cablingas supplied requires the discharge module to be located within

12InstallationGAS CHROMATOGRAPHCOLUMN INJECTORTEE(ZT1)HELIUMPURIFIERDISCHARGE GAS(99.999% He)TGA-R-30F60PRESTRICTOR(30 mL/min minimum)VENTCOLUMNINLETD

13EZR21Installing and Purging the Helium Purifier1. If the pressure regulator has a 1/8" male cone-type outlet port, installthe Valco 1/8" e

14Capillary Column ConnectionIf the capillary column adapter is installed in the column inlet:1. Make a mark on the column 11.4 cm from the end.2. Rem

153. 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

16Electrical ConnectionsCAUTION: Do not use a wrench to tighten the SMCconnectors on the bias and electrometer cables.Connections should be finger tig

17Initial Power-Up1. Set the MODE switch on the front of the controller to PDHID.2. Set the discharge gas flow as specified in on page 13 in the secti

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18Checking for Leaks in the Discharge Gas PlumbingLeaks can be detected with hydrogen. A small lecture bottle of hydrogenwith a regulated flow of 10-

19Mode Selection and SetupHelium Ionization ModeIf the instructions of Step 1 at the top of page 14 were properly executed,the column should already b

20Ar-PDPIDChanging the discharge gas from helium to a mixture of 2% argon inhelium changes the photon energy level from the 17 - 13.5 eV range to the1

21WarrantyThis Limited Warranty gives the Buyer specific legal rights, and a Buyermay also have other rights that vary from state to state. For a peri

1IntroductionDescription and Operating PrincipleThe PD-D-4-I is a non-radioactive pulsed discharge ionization detector (PDID),designed as a universal

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

3Installation CategoryThis equipment has been designed for installation category (overvoltagecategory) II, pollution degree 2. It has been approved fo

4Components of the Detector SystemComponents of the detector system are listed in Table 1. Check thecontents of the packages to verify that everythin

5DISCHARGE switch and indicatorControls power to the pulse supply module. When the switch is on and themodule is connected, high voltage is generated

6PDECDPDHIDMODE120160200804024028032036040010245122561286432168421ATTENUATIONDETECTOR TEMP.DISCHARGEZEROV ECDnA HIDPULSED DISCHARGE CONTROLLERINCREASE

7ZERO push buttonOffsets the output signal to zero volts by a measurement of the standingcurrent. The offset is applied to the output when the button