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D357-25-880

Issue E

Instruction Manual

Active Strain Gauge

Description

Item Number

ASG-1000-1/8 NPT

D357-25-000

ASG-1000-NW16

D357-26-000

ASG-2000-1/8 NPT

D357-27-000

ASG-2000-NW16

D357-28-000

Содержание ASG-1000-1/8 NPT

Страница 1: ...D357 25 880 Issue E Instruction Manual Active Strain Gauge Description Item Number ASG 1000 1 8 NPT D357 25 000 ASG 1000 NW16 D357 26 000 ASG 2000 1 8 NPT D357 27 000 ASG 2000 NW16 D357 28 000 ...

Страница 2: ......

Страница 3: ...ler 5 3 3 2 Connect to your own supply and control equipment 5 4 Operation 9 4 1 Pressure measurement 9 5 Maintenance 11 5 1 Zero adjustment 11 5 2 Cleaning 11 6 Storage and disposal 13 6 1 Storage 13 6 2 Disposal 13 7 Spares and accessories 15 7 1 Introduction 15 7 2 Accessories 15 For return of equipment complete the HS Forms at the end of this manual Illustrations Figure Page 1 General view of ...

Страница 4: ...D357 25 880 Issue E Page ii Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Contents Tables Table Page 1 Zeroing pressure 11 ...

Страница 5: ...ASG 2000 is 2000 to 1 mbar The ASG requires a 13 5 to 36 V d c power supply it has a 0 to 10 V d c linear analogue output which is related to pressure The ASG is compatible with all of the Edwards AGCs Active Gauge Controllers and with the ADD Active Digital Display Alternatively you can use an independent power supply for the ASG and can read the ASG output signal with a voltmeter or an analogue ...

Страница 6: ...D357 25 880 Issue E Page 2 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited Introduction Figure 1 General view of NW16 version active strain gauge ...

Страница 7: ...of gauge tube NW16 1 85 cm3 1 8 inch NPT 1 25 cm3 Enclosing rating IP65 Ambient temperature operation 20 to 125 C storage 40 to 125 C Compensated pressure 10 to 50 C Ambient humidity operating 10 to 90 non condensing Pressure containment 180 mbar Maximum over pressure 2 x full scale with negligible calibration change Pressure range ASG 1000 1000 to 1 mbar ASG 2000 2000 to 1 mbar Accuracy 0 2 full ...

Страница 8: ...e gauge e g for 1000 mbar full scale gauge 10 V is equivalent to 1000 mbar 1 V is equivalent to 100 mbar 0 1 V is equivalent to 10 mbar etc 2 4 Material exposed to vacuum Stainless Steel 316L Figure 2 Dimensions of active strain gauge Electrical supply Voltage 13 5 to 36 V d c Max source resistance 100 Ω Maximum power 0 4 W Electrical connector 4 Pin Micro Din Pressure output signal Nominal range ...

Страница 9: ...p to connect an NW16 flange to a similar flange on the vacuum system z Use a stepped O Ring carrier or Co seal to connect an ASG with a NW16 flange to a NW10 flange z Use PTFE tape for 1 8 inch NPT connection 3 3 Electrical connections When using a cable longer than 30 m full compliance with the EN61326 requires an in line surge suppressor please refer to Section 7 2 3 3 1 Connect to Edwards contr...

Страница 10: ...erred the ASG adapter cable may be used and the pin allocations are as shown in Figure 4 Figure 4 Pins on the ASG adapter cable socket Schematic diagrams of the recommended electrical connections to the ASG are shown in Figure 5 and 6 Pin number Use 1 Electrical supply positive voltage 2 Electrical supply common 3 Pressure measurement output signal 4 Gauge identification signal 5 Signal common 6 N...

Страница 11: ...ic diagram of typical electrical connections using 4 pin DIN connector Figure 6 Schematic diagram of typical electrical connections using FCC68 connector 1 ASG electrical connector socket 2 Cable electrical connector plug 3 Electrical supply 4 Voltmeter 1 Adapter cable electrical connector socket 2 Cable electrical connector plug 3 Electrical supply 4 Voltmeter ...

Страница 12: ...D357 25 880 Issue E Page 8 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 13: ...ate pressure measurement the procedure in Section 5 1 should be used to zero the gauge If you connect the ASG to an Edwards ADD or AGC display controller the pressure measured by the ASG is shown on the display If you connect the signal output of the ASG to a voltmeter convert the measured voltage to the corresponding pressure value using the following formula Pressure Full scale x Voltage 10 ...

Страница 14: ...D357 25 880 Issue E Page 10 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 15: ...tiometer located on the side of the gauge head under the external O Ring see Figure 2 The second potentiometer is for setting the gauge span and should not be adjusted without appropriate calibration equipment If the ASG is used with an Edwards Controller then the zero adjustment can be made at the display rather than at the gauge head if this is more convenient refer to the Controller s instructi...

Страница 16: ...D357 25 880 Issue E Page 12 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 17: ...of the ASG and any components safely in accordance with all local and national safety and environmental requirements Alternatively you may be able to recycle the ASG and or cables contact Edwards or your supplier for advice also see below The ASG and associated cables are within the scope of the European Directive on Waste Electrical and Electronic Equipment 2002 96 EC From August 2005 Edwards wil...

Страница 18: ...D357 25 880 Issue E Page 14 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

Страница 19: ...aintenance and service kits Order spare parts and accessories from your nearest Edwards company or distributor When you order please state for each part required z Model and Item Number of your equipment z Serial number if any z Item Number and description of part 7 2 Accessories The adapter cable for use with the Edwards Active Gauge Controllers or Active Digital Displays is There are different l...

Страница 20: ...D357 25 880 Issue E Page 16 Edwards Limited 2007 All rights reserved Edwards and the Edwards logo are trademarks of Edwards Limited This page has been intentionally left blank ...

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