Vici 230 Dynacalibrator Manual de usuario

Valco Instruments Co. Inc. Rev 9/13 Dynacalibrator Model 230 Instruction Manual Valco Instruments Co. Inc.800 · 367· 8424 sales 713 · 688· 9345 tec

6Concealed DamageConcealed damage is damage which is not apparent until after the equipment has been unpacked and examined or tested. In the event tha

7Unit LocationIn general, the Dynacalibrator should be as close as possible to the analyzer to be calibrated, as long as:• the ambient temperature is

8Rear Panel ConnectionsRemove all shipping caps and shipping plugs from the rear panel bulkhead fittings. All these hardware items should be saved fo

9On all units with an internal pump, the supply inlet port is internally connected directly to the suction side of the pump. Since the output of the p

10Bypass LoopsOnly those Dynacalibrators with internal pumps are equipped with fittings for bypass loops in either or both the carrier and dilution str

11MAIN POWER switch, indicator, and circuit breaker The rocker switch provides primary power to all circuits. The LED indicator lights when main powe

12CalculationsConcentration of the permeant compound in the span outlet stream is inversely proportional to the carrier flow rate through the chamber.

13Initial Power-UpConnections1. Plug the supplied power cord into the rear mounted power supply. Ensure that the power supply output cable is plugge

14Setting the Chamber Temperature ManuallyTo read the current set point: press and hold the button. To read the chassis environment temperature: p

15Setting the Chamber Temperature via Serial Port (RS-232)Refer to the section titled “Serial Port Communications” on page 16.Installing the Permeatio

AttentionRadiant heat warningEntanglement warningElectrical warningSymbols used in this document

16Serial Port CommunicationThe Dynacalibrator Model 230 can be monitored and controlled remotely by means of a serial port connection and a terminal e

172. Click “Cancel”. Since no modem is involved, this information is not necessary. The following screen will appear:3. Click “OK”, which reveals

186. Select the appropriate COM port and click “OK” to bring up this screen:7. Set the port parameters as indicated above, and click “OK”.8. Now we

199. On the dyna230 Properties screen (above), click “Settings” to bring up the screen below. Click “Settings”Click “ASCII Setup...”Serial Port Commu

2010. Click “ASCII Setup” and set the parameters as indicated below. Click “OK”.11. When the screen returns to Dyna230 HyperTerminal (page 18, bot

21Analyzer CalibrationAfter the power-up procedure has been com pleted and the chamber temp-erature and permeation device have reached equilibrium, th

22Advanced Theory of OperationDynacalibrator operation is based on the principle of mixing a known mass flow of gas derived from a permeation device wi

23this number to indicate the carrier flow (and the orifice used). Refer to page 4 for information about the available flow capacity ranges.Many of the

24Configuration 2Pump P1 (Figure 7) draws gas in through the supply inlet on the back panel and delivers it to accumulator AC1. The accumulator smooth

25Advanced Theory of Operation

Table of ContentsIntroduction General Description...

26Configuration 5in this configuration (Figure 10), pump P1 draws gas in through the supply inlet on the back panel and delivers it to accumulator AC1.

27 Electrical DescriptionThe basic wiring of the Model 230 is shown schematically in Figure 11. Dynacali-brators are powered from a benchtop style tr

28MaintenanceSince Dynacalibrators are designed for and generally used in applications that require continuous service, a planned routine maintenance

2910. Rinse the fan screen and fan filter in clean water and blow dry with low- velocity air. 11. Reinstall the fan, fan filter, fan screen bracke

30MaintenanceChamber Temperature CalibrationPrior to shipment, the permeation chamber digital temperature control is calibrated against the temperatu

31TroubleshootingIf you intend to perform detailed troubleshooting on your Dynacalibrator, please first read the section entitled “Advanced Theory of

32Troubleshooting4. Isolate the leak by using a small quantity of leak detection fluid on each possible leak point in the suspect loop. Watch carefu

33Troubleshooting7. Once a section of the loop has been determined to be leak free, go to the next fitting downstream of the point of the previous ch

34

35Appendix: Electronic Flow Control OptionTechnical Data for Mass Flow ControllersSpecification Mass Controller DescriptionAccuracy± (0.8% of reading

Table of Contents (continued)Electrical Description ...

36MAIN POWER switch, indicator, and circuit breaker The rocker switch provides primary power to all circuits. The LED indicator lights when main powe

37Appendix: Electronic Flow Control OptionElectrical SchematicFigure 13: Model 230 electrical schematic, Electronic Flow Control option

38WarrantyThis Limited Warranty gives the Buyer specific legal rights, and a Buyer may also have other rights that vary from state to state. For a per

1IntroductionGeneral DescriptionVICI Metronics Dynacalibrators® use Dynacal® permeation devices to generate the precise gas concentrations necessary f

2IntroductionAs shown in Figure 1a, the carrier stream passes through scrubber #1 and line filter LF1 (30µ) to differential pressure regulator DPR1. T

3

4IntroductionSpecificationsRefer to page 35 for additional data on units with the electronic flow control option.

5Getting StartedEvery Dynacalibrator is completely calibrated, thoroughly tested and inspected, and carefully packed prior to shipment. The carrier h