The purpose of this document is to provide instructions for checking and calibrating the temperature of the Permeation Oven and Sample Outlet flow of the Owlstone Vapour Generator (OVG-4), P/N 00-0003.

The document is based upon Owlstone’s Factory Acceptance Testing procedure, document 90-0103.

1      Equipment required

1.1      Flow Meter

Must have an operating range greater than 0 - 500ml/min.    Accuracy should be better than +/-1% reading.

Owlstone use a volumetric flow standard instrument manufactured by Bios inc. called a “Definer 220”

www.biosint.com

1.2      Digital thermometer & temperature probe

The minimum operating range of must be 20 - 120°C.  Accuracy should be better than +/-2% reading.

Owlstone use a Digitron 2046T digital thermometer and H0334D rigid air probe.

www.digitron.co.uk