Scion Instruments 456-GC Reference Manual
Transformer gas analyzer
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Also See for 456-GC:
- Service manual (194 pages) ,
- Reference manual (12 pages) ,
- Reference manual (15 pages)
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Transformer Gas Analyzer
Revised February 2019
© 2015 Scion Instruments
Reference Manual
SCION Instruments HQ
Suite 34, Livingston Business Centre,
Kirkton Road South, Livingston,
EH54 7FA, Scotland, UK.
Tel: +44 1506 300 200
sales-eu@scioninstruments.com
www.scioninstruments.com
SCION Instruments NL BV
4462, Goes,
Stanleyweg 4.
The Netherlands
Tel: +31 113 348 926
sales-eu@scioninstruments.com
www.scioninstruments.com
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Summary of Contents for Scion Instruments 456-GC
- Page 1 Reference Manual Transformer Gas Analyzer SCION Instruments HQ SCION Instruments NL BV Suite 34, Livingston Business Centre, 4462, Goes, Kirkton Road South, Livingston, Stanleyweg 4. EH54 7FA, Scotland, UK. The Netherlands Tel: +44 1506 300 200 Tel: +31 113 348 926 Revised February 2019 sales-eu@scioninstruments.com...
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Page 2: Table Of Contents
Scion Instruments Section contents INTRODUCTION ......................... 3 INSTRUMENT SPECIFICATIONS ..................4 INSTALLATION OF COLUMNS, FLOW AND PRESSURE SETTINGS ......5 OPERATION ..........................7 TROUBLE SHOOTING ....................... 9 STEP BY STEP ........................... 10 Scion Instruments Transformer Gas Analyzer Reference Manual Page: 2... -
Page 3: Introduction
Scion Instruments INTRODUCTION Certain faults in electrical transformers may result in the production of gases, which remain dissolved in the transformer fluid. The transformer fluid and insulating materials will break down into a few easily identifiable by- products when subjected to fault conditions. -
Page 4: Instrument Specifications
Scion Instruments INSTRUMENT SPECIFICATIONS Every instrument is fully tested; the results of the tests, as well as the methods used during these tests, are presented as part of this manual (refer to section 1). START UP At initial START-UP as well as after a longer idle period, follow the instructions below: Connect all the gases to the instrument. -
Page 5: Installation Of Columns, Flow And Pressure Settings
Make sure, the instrument is connected to the minimum gas supply conditions as indicated in the 456-GC pre-installation manual. For more detailed information concerning the configuration of the instrument, please, refer to the drawing section (section 6 of this manual). - Page 6 Scion Instruments Tuning the TGA channel Tuning is only necessary when new columns have to be installed or by malfunctioning of the GC. Connect the columns according the flow schematics given in Section 6 and adjust the pressures (if necessary) at an oven temperature of 70°C.
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Page 7: Operation
Scion Instruments OPERATION Operational method is preloaded in the instrument. Listed below is an example method; settings determining the application may be different. Sample delivery: V1 (GSV) V2 (CS) Initial Flow/Pressure: Front EFC-24 (Ar): Pressure (psi) Hold (min) Initial 27.5... - Page 8 Scion Instruments Fila max: 390 °C Polarity: negative DEFC 13: Reference flow: 30 ml/min Ar Detector (middle FID): Temp: 300 ºC Range: Time constant: slow Middle DEFC 11: Make up: 0 ml/min (Ar) Hydrogen: 10 ml/min Air: 300 ml/min This method is only valid in case the instrument is equipped with one Transformer Gas Analyzer channel only.
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Page 9: Trouble Shooting
TROUBLE SHOOTING For problems related to the basic hardware and electronics of the gas chromatograph, as well as injectors and detectors, refer to the 456-GC user reference manual. In case of any analytical problem, it is always advised to record an analysis using a reference sample. -
Page 10: Step By Step
Scion Instruments STEP BY STEP Step by step drawings for the Transformer Gas Analyzer Channel Scion Instruments Transformer Gas Analyzer Reference Manual Page: 10... - Page 11 Scion Instruments Load Position: Valve -1, Valve -2 Scion Instruments Transformer Gas Analyzer Reference Manual Page: 11...
- Page 12 Scion Instruments Inject Position: Valve +1, Valve -2 Scion Instruments Transformer Gas Analyzer Reference Manual Page: 12...
- Page 13 Scion Instruments Backflush position: Valve +1, Valve +2 Scion Instruments Transformer Gas Analyzer Reference Manual Page: 13...