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Catalog excerpts
SERVOTOUGH Laser 3 Plus OPERATOR MANUAL Part Number: ENGLISH UK/US
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IMPORTANT INFORMATION Continued safe and reliable operation of this equipment is conditional on all installation, operation and maintenance procedures being carried out in accordance with the appropriate manuals, by personnel having appropriate qualifications, experience and training. Failure to observe the requirements of the manual may result in the user being held responsible for the consequences and may invalidate any warranty. Servomex will accept no liability for unauthorized modifications to Servomex supplied equipment. Servomex has paid particular attention to Health and Safety...
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This page intentionally blank. © Servomex Group Limited. 2020
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Transmitter user interface © Servomex Group Limited. 2020
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General analyzer information © Servomex Group Limited. 2020
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Certification information 11. Appendix Display unit conversion 12. Appendix Modbus setup © Servomex Group Limited. 2020
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© Servomex Group Limited. 2020
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© Servomex Group Limited. 2
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© Servomex Group Limited. 2020
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© Servomex Group Limited. 2020
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About this manual Safety information The following icons are used throughout this manual to identify any potential hazards that could cause serious injury to people or damage to the equipment: This symbol warns of specific hazards which, if not taken into account, may result in personal injury or death. This symbol warns of specific hazards from laser radiation. This symbol warns of specific hazards from high temperatures. This symbol warns of specific hazards from asphyxiation. This symbol warns of specific hazards from nitrogen gas. Other information provided by the manual This symbol...
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This page intentionally blank © Servomex Group Limited. 2020
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1. Safety 1.1 General warnings and cautions If the Laser 3 Plus is used in a manner not specified within this manual, the protection provided by the equipment may be impaired. Failure to observe the requirements of the manual may result in the user being held responsible for the consequences and may invalidate any warranty. Before you attempt to install, commission or use the Laser 3 Plus, read this manual carefully. Do not attempt to install, commission, maintain or use the Laser 3 Plus unless you are trained and competent. Ensure that Purge Port 3 of the Transmitter Unit, ‘Enclosure Out’,...
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prevent exposure of personnel and the environment to the hazardous gases. The analyzer may fail if it is used with sample streams that contain substances not compatible with those listed in Section 2.8. Make sure that you install the instrument to conform to all relevant safety requirements, National Electrical Code and any local regulations. The installation must be safe for any extremes of operating conditions which may occur in the operating environment of the Laser 3 Plus. Do not install the analyzer on a surface which is subject to high levels of vibration or sudden jolts. Sample...
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Relay from Analyzer Main Board Relay from Option Board Relay from Option Board Sealed Device Sealed Device Sealed Device EXPLOSION HAZARD - Substitution of components may impair suitability for CL I, Div 2. (North America only). Make sure that the operating environment is within the limits specified in the product data (section 2.6.5). Do not install the Laser 3 Plus in a high-velocity dust-laden atmosphere. Do not open the enclosure if an explosive atmosphere is present. Do not open the enclosure if the Laser 3 Plus is energized. It is a condition of certification that the unit must be...
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1.4 Markings The Laser 3 Plus includes these external markings. Their locations are shown in section 1.4.1. Follow the appropriate safety instructions and be aware of any warnings about potential hazards. Label locations Figure 1-1: Laser 3 Plus transmitter unit rating label location Figure 1-2: Laser 3 Plus receiver unit certification label location © Servomex Group Limited. 2020
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Figure 1-3: Laser 3 Plus transmitter unit certification label and EMC / function earth label location Figure 1-4: Laser 3 Plus receiver unit laser label location © Servomex Group Limited. 2020
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Figure 1-5: Laser 3 Plus transmitter unit laser label location Figure 1-6: Laser 3 Plus mount laser label location © Servomex Group Limited. 2020
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2. Introduction 2.1 Product description The Laser 3 Plus is an advanced gas analyzer. It comprises a transmitter unit (TU) and a receiver unit (RU), with an optional AC to DC power supply, ancillary equipment and sample cell. The laser radiation detected by a photodetector is amplified and transferred to the transmitter unit through a multi-core cable which connects the receiver and transmitter electronics. The same cable transfers the required power from the TU to the RU. Connectors at each end of the cable, and a removable gland plate, allow removal of the TU and RU for calibration or...
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11 Figure 2-2: Laser 3 Plus installation: showing thermal spacer and isolation flange options 1 Laser receiver Adjustable mount (2 variants) Fixed mount or adjustable Laser transmitter Thermal spacer (arrangement 1) Process pipe, stack, duct, etc. Thermal spacer (arrangement 2) Isolation flange (arrangement 1) Isolation flange (arrangement 2) Note: Installation may vary depending on specific application and system requirements as items 3 and 6 are selectable options. If item 6 is required, it must be fitted to the TU side. Items 8, 9,10 and 11 are optional, additional gaskets, fasteners and...
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Figure 2-3: Transmitter unit: front, rear, side and under-side views 1 Fault LED (Fault status - amber) Purge 3: Purge gas exit Laser power ON indicator (Status ON -green) Functional / EMC earth (ground) Window purge out (standard) Alarm LED (Alarm status - red) Window purge out (option: isolation flange only) Adjustable mount (alternatively options available) Optical window / transmitter aperture Purge 1: Laser diode gas “IN” Cable entry glands: see section 7.4.2 2 x M16 x 1.5 mm (ports 2 and 3) 2 x M20 x 1.5 mm (ports 1 and 4) © Servomex Group Limited. 2
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