Mike
>From an unpublished British Coal report (ca 1991):
Hand held oxygen monitors were being manufactured by Sieger Limited (Types:
OXD- 1 and OXD-2M)
Fixed Point oxygen monitors were being manufactured by:
Sieger Limited (Types BO1 and BO1-R)
Status Scientific (Type OX/1622/030)
A multigas monitor (including an oxygen cell) was manufactured by Neotronics
All were certified intrinsically safe for use in coal mines.
Most recent contact data:
Sieger (now part of the Zellweger group) -Nuffield Estate, Poole (0202
676161) or Lowestoft, (0502 582661/4)
Status Scientific - Nottingham
Neotronics - Bishops Stortford, Herts (0279 870182)
More modern companies I know are in existence include: Servomex, (01892
652181).
See Cullis, C. F. and Firth, J. G., The detection and measurement of
hazardous gases. Heinemann. (1991). ISBN 0435-71030-3
I have similarly antique details regarding the suppliers of other
intrinsically safe gas and air flow monitoring instruments for coal mines
and the history of their development and use. Please contact me if you want
any more information.
Ian Unwin
----- Original Message -----
From: <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, August 18, 2000 1:04 PM
Subject: Air testing equipment
> Can any one advise me about portable oxygen level meters and suppliers of
air
> testing equipment generally. Mike Clinch Kent Underground research Group.
>
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