VICI 500 Dynacalibrator - Manual (Page 20)

16
Setting the Chamber Temperature via Serial Port (RS-232)
Refer to the section titled “Serial Port Communications” on the next page.
Installing the Permeation Device(s)
1. With the tool provided, rotate the panel lock screw 90° counterclockwise.
2. Remove the front panel oven cover to access the chamber cap.
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 appropriate
mitigation and personal protection equipment.
3. Unscrew the chamber cap with the tool provided.
4. Add or remove the permeation device(s) with the supplied forceps or other
tool appropriate to the job..
5. Secure the chamber cap with the tool provided.
6. Run a pressure/decay test to make sure that the chamber cap is leak tight.
7. Reinstall the front panel assembly and rotate the panel lock screw
90° clockwise.
8. Allow one hour for equilibration. Refer to the separate instructions accom-
panying 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.
• Certified permeation devices should be used only at the temperature specified
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