Edwards AIM-S-NW25 Instruction Manual
Active inverted magnetron gauge
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- Instruction manual (40 pages)
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Summary of Contents for Edwards AIM-S-NW25
- Page 1 NRA737880 Issue E Instruction Manual Active Inverted Magnetron Gauge Description Item Number AIM-S-NW25 NRA737000 Original Instructions...
- Page 2 Declaration of Conformity Edwards Limited, Crawley Business Quarter, Manor Royal, Crawley, West Sussex, RH10 9LW, UK declare under our sole responsibility, as manufacturer and person within the EU authorised to assemble the technical file, that the product(s) Active Inverted Magnetron Gauge...
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Page 4: Table Of Contents
Storage ........................15 Disposal ........................15 Return the equipment or components for service..............15 SPARES AND ACCESSORIES ..............17 Introduction ......................17 Spares ........................17 Accessories .......................17 © Edwards Limited 2020. All rights reserved. Page i Edwards and the Edwards logo are trademarks of Edwards Limited. - Page 5 Pressure and Voltage Characteristics for Nitrogen and Dry Air ........... 8 Associated Publications Publication Title Publication number Vacuum Pump and Vacuum System Safety P300-20-000 Page ii © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 6: Introduction
The AIM Gauge requires a 13.5 to 36 V d.c. Power supply; it has a 2 to 10 V d.c. analogue output which is related to pressure. The AIM Gauge is compatible with all of the Edwards AGCs (Active Gauge Controllers) and with the appropriate versions of the Edwards AGDs (Active Gauge Displays). -
Page 7: Gas Dependency
AGC, AGD or electrical supply and voltmeter. Electrical cables fitted with suitable connector plugs are available as accessories. A gauge identification signal is available on the electrical connector; this signal is used by Edwards AGCs to identify which type of Active Gauge is connected. -
Page 8: Technical Data
Volume of gauge tube 26 cm Enclosure rating IP40 and IP403 Figure 2 - Dimensions (mm) Clearance required for electrical cable © Edwards Limited 2020. All rights reserved. Page 3 Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 9: Performance, Operating And Storage Conditions
* Required when you see an external d.c. relay connected to the error output. Materials Exposed to Vacuum Stainless steel (AISI 304 and 306) Fluoroelastomer Soda lime glass. Page 4 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 10: Installation
Connect the AIM Gauge to the controller or display with a cable which is terminated in suitable connectors. Suitable cables are available from Edwards (refer to Section © Edwards Limited 2020. All rights reserved. Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 11: Connect To Your Own Supply And Control Equipment
Electrical supply positive voltage Electrical supply common Pressure measurement output signal Gauge identification signal Signal common Error output signal Gauge enable No connection Page 6 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited. - Page 12 4.2). If you want to measure the gauge identification signal (which identifies the AIM Gauge), measure the resistance between pins 4 and 5. © Edwards Limited 2020. All rights reserved. Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 14: Operation
Gauge, disconnect pin 7 from pin 2 (or from ground). Pressure Measurement If you connected the AIM Gauge to a Edwards AGC controller or AGD display, the pressure measured by the AIM Gauge is shown on the display. If you connected the signal output of the AIM Gauge to a voltmeter, convert the measured voltage to the... - Page 15 5.4 x 10 9.60 4.0 x 10 1.5 x 10 9.80 1.1 x 10 1.0 x 10 10.00 7.5 x 10 Page 10 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 16: Error Output Signal
Error Output Signal Note: The error signal output is not used if you connect the AIM Gauge to an Edwards AGC controller or AGD display. The error output signal indicates when the AIM Gauge is operating correctly. If required, you can use the error output signal to control the operation of your vacuum system. - Page 17 NRA737880 Issue E This page has been intentionally left blank. Page 12 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 18: Maintenance
Refit the AIM Gauge to the vacuum system as described in Section 3.2 and refit the cable connector plug to the socket on the AIM Gauge (Figure 1, item 6). © Edwards Limited 2020. All rights reserved. Page 13 Edwards and the Edwards logo are trademarks of Edwards Limited. - Page 19 Figure 4 - Exploded View of the AIM Gauge Magnet housing Collar Anode assembly “O” ring Body tube Cathod plate Cathode tube Circlip Page 14 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 20: Replace The Electrode Assembly
7. Rinse the components in methanol to remove all of the water, then thoroughly dry the components. 8. Refit the components in the magnet housing as described in Steps 5 to 8 of Section 5.3. © Edwards Limited 2020. All rights reserved. Page 15 Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 21: Fault Finding
If the AIM Gauge does not operate correctly, ensure that the electrical connections are correct (refer to Section and ensure that your electrical supply is suitable for the AIM Gauge (refer to Section Page 16 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 22: Storage And Disposal
Dispose of the AIM Gauge and any components safely in accordance with all local and national safety and environmental requirements. Alternatively, you may be able to recycle the AIM Gauge and/or cables; contact Edwards or your supplier for advice (also see below). - Page 23 NRA737880 Issue E This page has been intentionally left blank. Page 18 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 24: Spares And Accessories
The majority of these centres employ Service Engineers who have undergone comprehensive Edwards training courses. Order spare parts and accessories from the nearest Edwards company or distributor. When ordering, state for each part required: Model and Item Number of the equipment ... - Page 25 NRA737880 Issue E This page has been intentionally left blank. Page 20 © Edwards Limited 2020. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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