D048-50-880 Issue E
Page 2 © Edwards Limited 2013. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
INTRODUCTION
The AIGX has a set-point facility. The set-point signal is an open collector transistor output, which is on when the
pressure measured by the gauge is below a preset pressure. The pressure at which the set-point operates can be
adjusted using the set-trip switch on the top of the gauge (
1
, item 3).
The AIGX is fitted with a status LED (Figure 1, item 4) . This LED indicates the operating status of the gauge.
Figure 1 - General View of the AIGX (NW25 version)
1
1. Electrical connector
2. Filament select switch
3. Set trip switch
4. Status LED
5. Vacuum flange
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