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Valco Instruments Co. Inc. 340-0X, Инструкция по эксплуатации

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30

Advanced Theory of Operation

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Figure 8:  Diagram of Configuration 3

Figure 9:  Diagram of Configuration 4

Содержание 340-0X

Страница 1: ...es 713 688 9345 tech 713 688 8106 fax valco vici com VICI AG International Schenkon Switzerland Int 41 41 925 6200 phone Int 41 41 925 6201 fax info vici ch North America South America and Australia O...

Страница 2: ...Attention Radiant heat warning Entanglement warning Electrical warning Symbols used in this document...

Страница 3: ...icators 12 Main Power Switch 12 Heater Power Switch 12 Permeation Chamber 12 Permeation Chamber Flowmeter 12 Temperature Readout and Controller 12 Dilution Flow Control Valves 12 Dilution Flowmeters 1...

Страница 4: ...nspection and Cleaning 33 Carrier Flow Rate Verification 34 Dilution Flowmeter Calibration 34 Chamber Temperature Calibration 35 Troubleshooting 36 Electrical Troubleshooting 36 Pneumatic Troubleshoot...

Страница 5: ...rent compounds both organic and inorganic How to UseThis Manual This manual provides installation operation and maintenance information for all configurations of the Model 340 The identification tag o...

Страница 6: ...y DPR1 The output of the permeation chamber is fed to a mixing tee where the calibrat ed dilution stream is added to set the final concentration The combined stream is then fed through another tee to...

Страница 7: ...ibration It can be remotely switched between the zero air and span output modes A front panel switch permits selection of the ZERO SPAN or REMOTE mode In the ZERO mode a two position valve directs the...

Страница 8: ...to carrier and dilution streams The gas stream bypasses on these units are also downstream from the pump permitting the user to connect external scrubbers driers separate gas supplies etc in either or...

Страница 9: ...5 Specifications Introduction...

Страница 10: ...laim Unpacking the Dynacalibrator After the initial receiving inspection and check the Dynacalibrator may be unpacked A carefully sized and mated pair of shipping cartons have been designed to ensure...

Страница 11: ...ent to VICI for inspection and repair When this work is completed the equipment will be returned to you with an invoice itemizing charges for all repairs This invoice will become part of your claim to...

Страница 12: ...alibrated A rack mounted enclosure in a mobile installation van aircraft etc requires additional mechanical support between the rack and the rear of the enclosure This addi tional support is not neede...

Страница 13: ...340 5X O O O X X X O O 340 0X Z X X X O O 340 1X Z X X X X O O 340 2X Z O X X O O 340 3X Z O O X X X O O 340 4X Z O O X X X O O 340 5X Z O O O X X X X O O X Required connection O Optional connection b...

Страница 14: ...alibrator is to be operated in an environment that has signifi cant concentrations of dust or other particulate matter we recommend a VICI Metronics Particulate Filter Assembly PFA connected to the su...

Страница 15: ...e either perma nently plumbed to the calibrate input port of an analyzer or temporarily connected to its sample input for calibration depending on the capabilities of the analyzer NOTE The span outlet...

Страница 16: ...e factory Refer to the calibration sheet at the back of the manual TEMPERATURE READOUT AND CONTROLLER The front panel displays the current chamber temperature and the control status of the instrument...

Страница 17: ...tch selects the calibration mode LEDs indicate the current mode ZERO The permeation chamber output is dumped out the chamber vent only the dilution stream exits through the stream outlet to the analyz...

Страница 18: ...34 T TO Where PO Permeation rate at reference temperature TO P New permeation rate at temperature T Certified devices should be used only at the temperature specified on the certificate Using any perm...

Страница 19: ...the span outlet to your instrument Always leak check the entire instrument and all flow connec tions particularly if toxic corrosive or flammable gas mixes will be generated Use clean dry air or N2 to...

Страница 20: ...and revert to its previous status To prevent the set point from being accidentally changed the front panel controls can be disabled with a serial command Refer to the section entitled Serial Port Com...

Страница 21: ...leak tight 8 Reinstall the front panel assembly and rotate the panel lock screw 90 clockwise 9 Turn on the heater power switch and allow one hour for equilibration Refer to the separate instructions a...

Страница 22: ...t is equipped with an internal pump the floats in both flowmeters will rise If the unit does not have an internal pump start the external supply and note that the floats rise The pressure of the exter...

Страница 23: ...r illuminates 15 Let the unit sit under power until the temperature equilibration indicator flashes regularly about once every second This usually takes approximately 1 5 hours 16 After the chamber te...

Страница 24: ...r is off and restored at power up Command Meaning DC n Show set decimation count Data logging rate in seconds L Start data logging Log data at the interval set by the decimation count DC 1 sets a one...

Страница 25: ...ssary The following screen will appear 3 Click OK which reveals the next screen 4 Enter a name such as dyna340 and select an icon to associate with the file Then click OK 5 If necessary click through...

Страница 26: ...opriate COM port and click OK to bring up this screen 7 Set the port parameters as indicated above and click OK 8 Now we are at the dyna340 HyperTerminal screen below Select File then Properties Seria...

Страница 27: ...23 9 On the dyna340 Properties screen above click Settings to bring up the screen below Click Settings Click ASCII Setup Serial Port Communication...

Страница 28: ...izing IIC DS1624 started Valco Dynacalibrator online A simple processor test can be performed by opening HyperTerminal before powering up the Dynacalibrator If the processor has some defects the messa...

Страница 29: ...alone exceeds the suction rate of all the analyzer s being calibrated 3 The usual flow rate setting is the one which was calculated for the first span point Align the center of the float in the flowm...

Страница 30: ...4 Unscrew the chamber cap with the tool provided 5 Add or remove the permeation device s with the supplied forceps or other tool appropriate to the job 6 Secure the chamber cap with the tool provided...

Страница 31: ...d at a constant value by a sapphire orifice plate and a differential pressure regulator Orifice sizes are available for rates of 80 1300 cc min The dilution flow is user adjustable from approximately...

Страница 32: ...tee Dry gas air nitrogen etc at the appropriate pressure is supplied by the user to the supply inlet on the back panel Particulates larger than 30 microns are removed by filter F1 Line regulator PR1 i...

Страница 33: ...nel which must be plugged if an external carrier supply is used This port can be connected through external scrubbing media filters driers etc or simply looped to the carrier inlet port Filter F2 remo...

Страница 34: ...30 AdvancedTheory of Operation Figure 8 Diagram of Configuration 3 Figure 9 Diagram of Configuration 4...

Страница 35: ...e RV1 set at 5 psig The tee at the output of the accumulator splits the supply into carrier and dilution streams each of which is plumbed to a back panel outlet port which must be plugged if an extern...

Страница 36: ...24 VDC If the cord end type is inappropriate for your locale please contact VICI for a replacement cord The main power switch S1 is on the front panel along with the main circuit breaker CB1 When the...

Страница 37: ...4000 hours Instrument Inspection and Cleaning The following procedure should be performed quarterly for units in continuous service or at least after every 1000 hours of service For the steps which ca...

Страница 38: ...hanges in its reading can indicate the need for flow verification To verify the flow rate a one liter N I S T traceable flowmeter is recommended After using the appropriate leak checking proce dures t...

Страница 39: ...n modeled and corrections are calculated based on the model response The corrections are input and then the multiple setpoints are again run with the PRT and must fall within the specification in orde...

Страница 40: ...al shock and serious injury to personnel PneumaticTroubleshooting There are two reasonably direct methods that can be used to troubleshoot leaks in a Dynacalibrator each with its advantages and disadv...

Страница 41: ...allen screws on each side of the instrument above the side bars 2 Trace out the internal plumbing loop that has been found to be leaking starting at the point where the leak checker gauge has been co...

Страница 42: ...er Pneumatic Issues Three other general categories of problems aside from leaks are occasionally encountered in the pneumatic system in the Dynacalibrator In order of likelihood they are Main pump dia...

Страница 43: ...39 Model Number Breakdown...

Страница 44: ...om or relating in any manner to these goods This Limited Warranty does not cover lamps or fuses damage due to improper shipping damage due to improper use damage due to modifications or alterations da...

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