Abstract: A leak test arrangement having a leak calibration device is disclosed. The calibration device is connected into communication with the leak test arrangement and provides a controlled source (sink) of fluid at a predetermined amount. The calibration includes a substantially sealed volume of fluid in fluid communication with the test arrangement and a control arrangement for heating and/or cooling the volume to produce the source (sink) of the calibrator.
Type:
Grant
Filed:
November 21, 2005
Date of Patent:
May 8, 2007
Assignee:
Intertech Development
Inventors:
Jacques Hoffmann, David J. Balke, Peter Davey