Calibration and validation for leak detector

Measuring and testing – Instrument proving or calibrating – Fluid pressure

Reexamination Certificate

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Reexamination Certificate

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07017387

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.

REFERENCES:
patent: 3504528 (1970-04-01), Trier et al.
patent: 3584500 (1971-06-01), Diehl et al.
patent: 3921436 (1975-11-01), Plegat
patent: 4686851 (1987-08-01), Holm et al.
patent: 4899573 (1990-02-01), Dimmick et al.
patent: 6279383 (2001-08-01), Balke et al.
patent: 6848292 (2005-02-01), Joseph et al.

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