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Raising gas analysis to new levels
Page 1: ...www signal group com P a g e 1 of 26 Raising gas analysis to new levels...
Page 2: ...ording or otherwise without the prior written permission of Signal Group Ltd While we believe that the information and guidance given in this manual is correct all parties must rely upon their own ski...
Page 3: ...intenance 7 2 4 Competent Personnel 8 3 Quick start 9 4 Introduction 11 5 The Principle of Tunable Diode Laser Spectrometry 12 5 1 Sample System 12 6 Operation 13 6 1 Services 13 6 2 Start 14 6 3 Cont...
Page 4: ...ignal USB Drive containing Operating Manual S4i installation Optional Datasheet Test Reports Shipping kit containing Signal Part No 9000 396010 2m Mains lead cable Sample filter key MC 318011 9 16 Wre...
Page 5: ...oup Ltd representative for clarification Follow all warnings cautions and instructions marked on and supplied with the product Inform and educate your personnel in the proper installation operation an...
Page 6: ...s instrument requires pressurised gases for use Some general safety precautions are outlined below however it is advisable that operators are properly trained in the handling and storage of pressurise...
Page 7: ...unit Fuses may only be replaced with identical items It is forbidden to use repaired fuses or to bypass fuses Substances hazardous to health may escape from the unit s gas outlets It is advisable to e...
Page 8: ...It is the responsibility of the operating company to Ensure their staff have adequate training Observe safety regulations Follow this instruction manual Operators must Have been properly trained Have...
Page 9: ...d see a solid blue LED on the front panel indicating that the unit is in Sleep mode An internal fan may also be audible Your instrument is now powered up and ready for general use The various internal...
Page 10: ...advisable to leave your instrument on for at least an hour before first calibration to allow the detector to stabilise Further details regarding calibration can be found in Section 6 Including calibr...
Page 11: ...package provides superior performance across the board Standard NEBULA analysers allow optional Measurement ranges as low as 1ppm NH3 equivalent up to as high as 1 NH3 equivalent Full internal heatin...
Page 12: ...ption lines of a material in a sample gas Therefore one laser detector will be used to measure one gas with little to no chance of any cross sensitivity with other species in the sample 5 1 Sample Sys...
Page 13: ...racy under 1ppm CH4 equivalent are required you should use zero grade air or an external air purifier such as Signal s model AS80 air purifier Calibration Gases Only NH3 may be used Signal recommends...
Page 14: ...ect the included or equivalent power cable to the rear panel IEC power socket ensuring the supply voltage is within the operational limits of the instrument Figure 1 NEBULA rear panel Ensure that the...
Page 15: ...urand s e g 191 C using a heated sample line obtainable from Signal Group Ltd EXHAUST Connect the exhaust to a well ventilated area ensuring that the connection is free from obstruction that could cau...
Page 16: ...setup for doing this Figure 3 Nebula Calibration Schematic Signal Group LTD provide an external calibration unit with humidifying capabilities that will aid this process Please contact the Sales team...
Page 17: ...med with the span gas path selected Calibration Through Sample Port If required the analyser may be configured so that calibration is performed through the SAMPLE port instead of the separate SPAN and...
Page 18: ...ment range of 5 to 25ppm may be chosen The main benefit of this facility is that it allows for greater resolution on the analogue outputs NOTE Each range uses separate calibration curves and coefficie...
Page 19: ...act Material Ag Au alloy Rated Carry Current 2 A Max switching voltage 125 VAC 60 VDC Max switching current 1 A Max switching power 62 5 VA 30 W Failure rate reference value 1 mA at 5 VDC P level 60 0...
Page 20: ...L Sleep 45 Blue Black 8 8 Pink Green NC 25 Green Red 61 Yellow White TTL CAL 44 LightBlue Yellow 9 9 Blue Green GND POWER 26 Green Orange 60 Orange White GND POWER 43 Pink Blue 10 10 Green Yellow DIO1...
Page 21: ...en 7 7 White 24V Fused Output 24 Yellow 62 Red TTL Sleep 45 Orange 8 8 White NC 25 Grey 61 Brown TTL CAL 44 Red 9 9 White GND POWER 26 Purple 60 Black GND POWER 43 Brown 10 10 White DIO1 27 Purple 59...
Page 22: ...e and to indicate the range in use For range indication 1V range 1 lowest range 2V range 2 etc The outputs may also be configured by users to provide outputs of internally measured temperatures and pr...
Page 23: ...ion into the heated manifold and fibres can become detached and block critical sample paths Removal Replacement Before filter removal ensure that the Sample gas line has been shut off using an externa...
Page 24: ...at you will find useful in your servicing and maintenance schedules Cleaning The preferred cleaning method is to immerse the filter in an ultrasonic bath containing a solution of 1 part Ardrox 6333 to...
Page 25: ...ve these in house skills contact your local Signal representative who will be pleased to assist you 8 2 Service Manual Full service manuals are normally only issued to distributors and agents However...
Page 26: ...c connections 14 Figure 3 NEBULA calibration schematic 16 10 Table of Tables Table 1 Document history table 1 Table 2 Quick start setup 9 Table 3 Relay wiring table Colours refer to Signal output cabl...
