Vici 340 Dynacalibrator Manual de usuario descargar pdf (Pagina 21)

Setting the Chamber Temperature via Serial Port (RS-232)

Refer to the section titled “Serial Port Communications” on page 20.

Installing the Permeation Device(s)

1. Turn off the heater power switch.

2. With the tool provided, rotate the panel lock screw 90° counterclockwise.

3. Gently pull the front panel assembly out.

CAUTION: The permeation chamber cap may be warm to

touch. If the calibrator has been in use, avoid exposure to

gas vapors while opening the chamber cap by using appro-

priate mitigation and personal protection equipment.

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..

7. Run a pressure/decay test to make sure that the chamber cap is 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 accompanying the permeation tube to make sure

that the selected temperature is compatible with the permeation tube being

used.

The Dynacalibrator is ready to be put into service.

Important Permeation Device Considerations

• Ifmorethanonetubeistobeusedintheovenatthesametime,orderallthe

tubes with permeation rates given at the same temperature.

• Certiedpermeationdevicesshouldbeusedonlyatthetemperaturespecied

on the certiﬁcate.

• Usinganypermeationdevicebeyonditsrecommendedtemperaturerange

could result in the destruction of the device by explosion and/or changes

in the membrane characteristics. If in doubt, contact VICI Metronics or their

authorized representative with the part number of the device to determine its

maximum temperature limit.

Initial Power-Up

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Vici 340 Dynacalibrator Manual de usuario Pagina 21