DIGITAL STEADY STATE GAS PERMEAMETER Â©

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STANDARD SPECIFICATION:

Measuring range (mD): 0.01 approx. to 10 approx.

Klinkenberg : within mass flow & dP cells ranges

Forcheimer- restricted to maximum of 2000 sccm

100psia downstream pressure transducer for ambient atmospheric pressure display

Auto-ranging dP readout

Rotary selector valve tandem mass flow meters

Manual or automatic data acquisition via RS 232 link to clients or optional computer

SENSORS AND GAUGES:

Mass Flow Meters: (Hastings-Teledyne, other makes & ranges selectable)
Accuracy and Linearity +/- 1% FS
Repeatability +/- 0.05 %FS typical
Line pressure rating 34.5 bar

dP Transmitters: 0-4.35 psid (0-300mbar) and 0-72.5 psid ( 0-5barg) (other ranges and engineering units selectable )
Accuracy and Linearity +/- 0.1% FS
High Line Pressure Rating

Down-stream Pressure Transducer - accuracy +/- 0.04% FS BSL

Gas Temperature : PT100 Grade A, 0.1Â° accuracy

SERVICE REQUIREMENTS:

Essential:
Process Gas: Clean and Dry Air/Nitrogen 145 psig (10 barg)
Power Supply: 240 Vac, 50 Hz 1Ph (other voltages readily available)
Line pressure rating 34.5 bar

Optional:
Overburden pressure: 1,000 psig (70barg) compressed air if ErgoTech Quick Action Hassler Cells are supplied

This drawing is copyright (c) and the associated procedure is the property of ErgoTech. It is issued confidentially to parties interested in acquiring the process and to authorised/licensed clients using it. The drawing is not to be reproduced or circulated by any parties without the written consent of ErgoTech which will not be unduly withheld. The drawing must not be mounted on any display boards or reproduced in reports without the written consent of ErgoTech. When permission is granted the reproduction must be identical to the original and the ownership of the drawing and the process embodied acknowledged to ErgoTech by displaying "ErgoTech (c)"