Spectrex SafEye Quasar 950 User And Maintenance Manual

Toxic & aromatic open-path gas detection system
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Quasar 950/960
Toxic & Aromatic Open-Path Gas Detection System
User's and Maintenance Manual
Document Ref: TM 888300, Rev. F , January 2015
218 Little Falls Rd., Cedar Grove, NJ 07009 USA;
Phone: +1 (973) 239 8398
Fax: +1 (973) 239 7614
Web-Site:
www.spectrex.net
; Email:
spectrex@spectrex.net

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Summary of Contents for Spectrex SafEye Quasar 950

  • Page 1 Toxic & Aromatic Open-Path Gas Detection System User's and Maintenance Manual Document Ref: TM 888300, Rev. F , January 2015 218 Little Falls Rd., Cedar Grove, NJ 07009 USA; Phone: +1 (973) 239 8398 Fax: +1 (973) 239 7614 Web-Site: www.spectrex.net ; Email: spectrex@spectrex.net...
  • Page 2 SafEye Quasar 950/960 Gas Detector...
  • Page 3: Legal Notice

    Spectrex, Inc. While great efforts have been made to assure the accuracy and clarity of this document, Spectrex, Inc.
  • Page 4: Release History

    SafEye Quasar 950/960 Gas Detector Release History Date Revision History Prepared by Approved by December 2013 First Release Ian Buchanan Eric Zinn September 2014 Second Release Ian Buchanan Eric Zinn October 2014 Third Release Ian Buchanan Eric Zinn November 2014 Fourth Release Ian Buchanan Eric Zinn...
  • Page 5: About This Guide

    About this Guide This manual describes the Quasar 950/960 Open-Path Gas Detection System and its features, and provides instructions on the installation, operation and maintenance. This guide includes the following chapters and appendices:  Chapter 1, Scope, provides a general introduction and overview of the product.
  • Page 6: Abbreviations And Acronyms

    SafEye Quasar 950/960 Gas Detector Abbreviations and Acronyms Abbreviation Meaning ATEX Atmosphere Explosives American Wire Gauge Built In Test Electromagnetic Compatibility HART Highway Addressable Remote Transducer- communication protocol Immune at Any Distance IECEx International Electrotechnical Commission Explosion Light Emitting Diode MilliAmps (0.001 amps) MODBUS Master-slave messaging structure...
  • Page 7: Table Of Contents

    Table of Contents Quasar 950/960 Toxic & Aromatic Open-Path Gas Detection System User's and Maintenance Manual ........... i Legal Notice ....................iii Release History ....................iv About this Guide ....................v Abbreviations and Acronyms ................vi Scope ......................1 Product Overview ................... 1 Technical Description ................
  • Page 8 SafEye Quasar 950/960 Gas Detector 3.1.4 Zero Calibration Mode (1mA Output) ..........14 Visual Indicators ................... 15 Output Signals ..................15 3.3.1 0-20 mA Current Output ..............15 3.3.2 RS-485 Interface ................16 System Setup ..................16 3.4.1 Detection Function Programming ............16 3.4.2 Detection Setup Function ..............
  • Page 9 TM 888300, Rev. F, January 2015 5.3.2 Equipment ..................27 5.3.3 Unpacking the Product ..............28 Certification Instructions ................ 29 Conduit/Cable Installation ..............30 Detector/Source Mounting ..............31 5.6.1 Tilt Kit P/N 888270................31 5.6.2 Detector/Source Installation ............. 31 Detector Wiring ..................31 Detector Terminal Wiring ...............
  • Page 10 SafEye Quasar 950/960 Gas Detector RS485 Hand-Held Diagnostic Unit P/N 799810 .......... 54 HART Hand-Held Diagnostic Unit P/N 888810 ........... 54 HART Hand-Held Harness Kit P/N 888815 ..........54 USB/RS-485 Harness Converter Kit P/N 794079-7 ........54 Mini Laptop Kit P/N 777820 ..............54 Sunshade P/N 888263 ................
  • Page 11 TM 888300, Rev. F, January 2015 List of Figures Figure 1: P/N Definition of Quasar 950/960 ............9 Figure 2: UV Source ..................10 Figure 3: Detector ..................... 11 Figure 4: Tilt Mount ................... 32 Figure 5: Detector and Tilt Mount Assembly ............33 Figure 6: Detector with Cover Removed ...............
  • Page 12 SafEye Quasar 950/960 Gas Detector List of Tables Table 1: Model Numbers and Installation Distances ..........8 Table 2: Detector LED Indications ............... 15 Table 3: Source LED Indications ................15 Table 4: Standard (default) 0-20 mA Current for the Gas Channel ......16 Table 5: Detector Default Setup ................
  • Page 13: Scope

    The programmable functions are available through a RS-485 or HART port, used with Host software supplied by Spectrex, and a standard PC or an I.S handheld unit. The Quasar Source and Detector unit enclosures are pending to ATEX and...
  • Page 14 Detectors along the path. The transmitted beam covers a UV spectrum from 200 nm to 300 nm. The SafEye Quasar 950/960 constantly monitors for the gas through the collimated beam, over an optical path of up to 263 ft.
  • Page 15: Technical Description

    Technical Description ➣ In this chapter… Features page 3 Applications page 3 Principle of Operation page 4 Product Certification page 7 Models and Types page 8 Description page 9 Features  Long Range Gas Detection up to 263 ft. (80m) ...
  • Page 16: Principle Of Operation

    SafEye Quasar 950/960 Gas Detector  Toxic chemical storage sites and hazardous waste disposal areas  Detection of H S in desulfurization processes at refineries, oil platforms, pipelines, refueling stations and fuel storage facilities  Transportation depots and shipping warehouses of solvents (aromatic and polymers origin), degreasing and cleaning solvents ...
  • Page 17: Detected Gases

    TM 888300, Rev. F, January 2015 The system analyzes the defined open path at the spectral bands specific to the materials being monitored. The Automatic Gain Control (AGC) unit compensates for environmental disturbances such as fog, rain, etc., through a constant comparison with its dual spectral beam. 2.3.4 Detected Gases The following toxic gases and vapors are detected by the UV SafEye models...
  • Page 18: Heated Optics

    SafEye Quasar 950/960 Gas Detector 2.3.6 Heated Optics SafEye Quasar includes heated optics for the Detector and Source. To improve performance in conditions where there is ice, condensation, or snow, the heater increases the temperature of the optical surface by 5-8°F (3-5°C) above the ambient temperature.
  • Page 19: Modbus Rs-485

    TM 888300, Rev. F, January 2015 The handheld unit can be used: For onsite function programming and setup changes to the Detector. During installation, the handheld unit displays all the Detector’s parameters and confirms that installation has been completed successfully. It is also required to perform the necessary Zero Calibration function.
  • Page 20: Sil-2 - Pending

    SafEye Quasar 950/960 Gas Detector 2.4.2 SIL-2 - pending The Quasar 950/960 Is TUV approved for SIL2 requirements per IEC 61508. The alert condition according to SIL-2 can be implemented by an alert signal via the 0-20 mA current loop. Models and Types The Quasar 950/960 is available as 3 models with the same Detector, but a different Source.
  • Page 21: Description

    TM 888300, Rev. F, January 2015 Figure 1: P/N Definition of Quasar 950/960 Description The SafEye consists of two main units:  UV Source (Transmitter)  Infrared Detector (Receiver) Quasar 950/960 detects gases over an open path transmitted from the UV Source to the Detector.
  • Page 22: Detector Unit

    SafEye Quasar 950/960 Gas Detector There are three source types:  For Short Range – 951/961 – source P/N QTU-C-11X  For Medium Range – 952/962 – source P/N QTU-C-21X  For Long Range – 953/963 – source P/N QTU-C-31X Front Window Section Earth Terminal Label...
  • Page 23: Figure 3: Detector

    TM 888300, Rev. F, January 2015 There is one Detector type that is suitable for all Quasar models 951, 952, 953, namely P/N QRU-C-11X. For Quasar models 961, 962, 963, the Detector P/N QRU-C-21X is suitable. Front Window Section Earth Terminal Label Front Window Main Housing...
  • Page 24 SafEye Quasar 950/960 Gas Detector Description...
  • Page 25: Operating Modes

    Operating Modes ➣ In this chapter… Operational Modes page 13 Visual Indicators page 15 Output Signals page 15 System Setup page 16 Operational Modes The Quasar 950/960 has four (4) operational modes:  Normal Mode, page 13  Maintenance Call Mode (3 mA Output), page 13 ...
  • Page 26: Fault Mode

    SafEye Quasar 950/960 Gas Detector 3.1.3 Fault Mode In Fault Mode, there are three fault types:  Fault 1 (2 mA Output): Non critical This occurs due to a blockage, very low signal or partial obscuration, or full beam block. In this situation, detection is no longer possible. The Detector’s proper operation can be restored (Auto reset) during operation if the condition causing the problem is removed or resolved.
  • Page 27: Visual Indicators

    TM 888300, Rev. F, January 2015 Visual Indicators One 3-color LED indicator is located in the back side of the Detector/Source and can be seen through the back cover window. Figure 2 and Figure 3, item 11. The Detector statuses are listed in Table 2. Table 2: Detector LED Indications Detector Status LED Color...
  • Page 28: Rs-485 Interface

    Detection Setup Function, page 16  Detector Default Setup, page 17 3.4.1 Detection Function Programming The SafEye Quasar 950/960 incorporates several functions that can be set by the customer, using:  Host software: Refer to manual TM 899060 for programming instructions ...
  • Page 29: Detector Default Setup

    TM 888300, Rev. F, January 2015 3.4.2.1 Automatic BG Calibration  Enable: Automatic BG calibration is performed according to background  Disable: The Detectors are not updated due to change of background 3.4.2.2 Address Setup The Detector provides up to 247 addresses that can be used in the RS-485 communication link.
  • Page 30 SafEye Quasar 950/960 Gas Detector System Setup...
  • Page 31: Technical Specifications

    Technical Specifications ➣ In this chapter… General Specifications page 19 Electrical Specifications page 20 Mechanical Specifications page 21 Environmental Specifications page 22 General Specifications Detected Gases: S, Ammonia and aromatic gases Detection Distance Range: Table 7 Table 7: Detection Distance Range Minimum Maximum Model...
  • Page 32: Electrical Specifications

    It enables continuous communication between a single standard Modbus controller (Master device) and a serial network of up to 247 Detectors.  It enables connection between different types of Spectrex Detectors or other Modbus devices to the same network. Electrical Specifications...
  • Page 33: Mechanical Specifications

    TM 888300, Rev. F, January 2015 4.2.3.3 HART Protocol The HART Protocol is a digital communication signal at low levels in addition to the 0-20 mA. This is a bi-directional field communications protocol used to communicate between intelligent field instruments and the Host System. Through the HART Protocol, the Detector can: ...
  • Page 34: Environmental Specifications

    SafEye Quasar 950/960 Gas Detector Environmental Specifications The SafEye system is designed to withstand harsh environmental conditions. The Source and Detector units compensate for adverse conditions while maintaining accuracy. 4.4.1 High Temperature The SafEye system is designed to meet MIL-STD-810C, method 501.1 procedure II.
  • Page 35: Electromagnetic Compatibility (Emc)

    TM 888300, Rev. F, January 2015 4.4.7 Electromagnetic Compatibility (EMC) This product is in conformance with EMC per EN50270: Radiated Emission: EN55022 Conducted Emission: EN55022 Radiated Immunity: EN61000-4-3 Conducted Immunity: EN61000-4-6 ESD: EN61000-4-2 Burst: EN61000-4-4 Surge: EN61000-4-5 Magnetic Field: EN61000-4-8 To fully comply with EMC directive 2004/108/EC and protect against interference caused by RFI and EMI, the cable to the detector must be shielded and the detector must be grounded.
  • Page 36 SafEye Quasar 950/960 Gas Detector Environmental Specifications...
  • Page 37: Installation Instructions

    Installation Instructions ➣ In this chapter… Introduction page 25 General Considerations page 25 Preparations for Installation page 27 Certification Instructions page 29 Conduit/Cable Installation page 30 Detector/Source Mounting page 31 Detector Wiring page 31 Detector Terminal Wiring page UV Source Wiring page 35 Introduction The Detector and UV Source units can be installed and maintained using...
  • Page 38: Required Tools

    SafEye Quasar 950/960 Gas Detector 5.2.2 Required Tools The detector can be installed using general-purpose common tools and equipment. Table 9 lists the specific tools required to install the detector. Table 9: Tools Tools Function Hex Key 10 mm Mount the detector on the tilt mount Hex Key 3/16 inch Align the detector Flat Screw Driver 4 mm...
  • Page 39: Wiring

    TM 888300, Rev. F, January 2015 5.2.6 Wiring  For wiring, use color-coded conductors or suitable wire markings or labels. The wire cross-section must be between 1 mm² to 2.5 mm² (18 14 AWG).  The selected wire gauge should be based on the number of Detectors used on the same loop, and the distance from the control unit.
  • Page 40: Unpacking The Product

    SafEye Quasar 950/960 Gas Detector  Other accessories are available (per customer request):  Handheld Unit: P/N 799810  Pole Mount (U-Bolt 5 inch): P/N 799225  HART Hand-Held Diagnostic Unit: P/N 888810  HART Hand-Held Harness Kit: P/N 888815 ...
  • Page 41: Certification Instructions

    Ex d e ib [ib Gb] IIB+H2 T4 Gb Ex tb IIIC T135°C Db IP66  The manufactured/ importer/repair is Spectrex Inc., at 218 Little Falls Road, Ceder Grove NJ, USA.  The equipment may be used with flammable gases and vapors with apparatus groups IIA and IIB +H2 T4 in the ambient temperature range -67°F (-55°C) to +149°F (+65°C).
  • Page 42: Conduit/Cable Installation

    SafEye Quasar 950/960 Gas Detector  The Um should be installed in accordance with one of the following:  The Um is 18-32V DC, in a SELV or PELV system  Via a safety isolating transformer complying with the requirements of IEC 61588-2-6 or technically equivalent standard ...
  • Page 43: Detector/Source Mounting

    TM 888300, Rev. F, January 2015  After the conductor cables have been pulled through the conduits, perform a continuity test. Detector/Source Mounting Mount the Detector Source with the Tilt Mount Kit, Model 888270. The Tilt enables the Detector to be rotated up to 60º in all directions, with a fine alignment of up to 10º.
  • Page 44: Figure 4: Tilt Mount

    SafEye Quasar 950/960 Gas Detector Remove the protective plug mounted on the Detector conduit/cable entry inlet, and pull the wires through the Detector inlet (item 4, Figure 6). Use a 3/4” – 14 NPT or M25x1.5 explosion-proof conduit connection/cable gland to assemble the cable/explosion-proof conduit to the Detector.
  • Page 45: Figure 5: Detector And Tilt Mount Assembly

    TM 888300, Rev. F, January 2015 Tilt Mount Holding Plate Detector Tightening Screw Detector/Source Holding Detector Tightening Washer Plate Horizontal Crude Alignment Detector Tightening Screw Horizontal Fine Alignment Telescope Tightening Screw Vertical Fine Alignment Telescope Tightening Bolt Tightening Screw Vertical Crude Alignment Detector Back Cover Tightening Screw Vertical Fine Alignment...
  • Page 46: Figure 6: Detector With Cover Removed

    SafEye Quasar 950/960 Gas Detector Housing Internal Earth Connection Terminal Board Connection to Handheld Unit Earth Terminal Detector Holding Plate Inlet Conduit Figure 6: Detector with Cover Removed Detector Wiring...
  • Page 47: Detector Terminal Wiring

    TM 888300, Rev. F, January 2015 Detector Terminal Wiring The Detector has six (6) wiring terminals. Table 11 lists the functions of each electrical terminal of the Detector. Table 11: Wiring Options Terminal Function Power +24V DC Return +24V DC 0-20mA (Input) 0-20mA (Output) RS-485 (+)
  • Page 48: Terminal Wiring

    SafEye Quasar 950/960 Gas Detector 5.9.2 Terminal Wiring The UV Source contains six wiring terminals. Table 12 lists the functions of each electrical terminal of the UV Source. Table 12: UV Source Wiring Options Terminal Function Power +24V DC Return +24V DC Spare Spare RS-485 (+)
  • Page 49: Operating Instructions

    Operating Instructions ➣ In this chapter… SafEye Operation page 37 Alignment of Unit page 37 Powering up the System page 38 Safety Precautions page 39 Signal Verification page 39 Zero Calibration page 40 Functional Check page 42 SafEye Operation Once the system is positioned, it automatically monitors for possible specified gases, and sends signals to a standard control panel or PC.
  • Page 50: Powering Up The System

    SafEye Quasar 950/960 Gas Detector ➣ To align the unit (see Figure 4): Make sure that the Detector and the UV Source are installed properly. Installation instructions are described in Installation Instructions, page 25. Remove the front shield using the two captive screws. Install the Telescope Assembly (12) on the Detector/Source front.
  • Page 51: Safety Precautions

    Disconnect external devices, such as automatic extinguishing systems, before carrying out any maintenance task required by warranty. Signal Verification Perform Signal Verification through the Host software supplied by Spectrex (refer to Manual TM 799060) or by the handheld unit (refer to Manual TM 799061).
  • Page 52: Zero Calibration

    SafEye Quasar 950/960 Gas Detector Note: The installation information refers to the installation distance.  Short Range: The minimum distance, as defined on the Model No.  Medium Range: Half of the maximum distance, as defined on the Model  Long Range: The maximum distance, as defined on the Model No.
  • Page 53: Figure 8: Magnetic Mode Selector

    TM 888300, Rev. F, January 2015 Figure 8: Magnetic Mode Selector Zero Calibration...
  • Page 54: Functional Check

    SafEye Quasar 950/960 Gas Detector Functional Check The SafEye system has been calibrated at the factory for the User's specific gas or vapor detection requirements. The following procedure validates the functional operation of the system. The Functional Check Filter is a convenient operational check used to confirm that a response has not changed from previous readings.
  • Page 55: Maintenance Instructions

    Periodic Maintenance page 43 General Maintenance The SafEye Quasar 950/960 requires only simple periodic maintenance to provide satisfactory service and achieve maximum performance. The Detector and Source units can be maintained with the use of common tools and equipment. Record the periodic test results in the Maintenance Logbook with a copy of the delivery form inside.
  • Page 56: Routine Optical Surface Cleaning

    SafEye Quasar 950/960 Gas Detector 7.2.1 Routine Optical Surface Cleaning The SafEye system must be kept as clean as possible, since it is an optical device. The optical surfaces involved are the Source and Detector viewing windows. ➣ To clean the optical window: Turn off the power to the SafEye Detector and Source.
  • Page 57: Troubleshooting

    Troubleshooting Table 14: Troubleshooting Problem Cause Solution “Maintenance call” Poor alignment Perform alignment Status OMN: Signals Dirt on the Clean the window are below 2.5 VDC at window Gain 4. Poor light Replace the light source Status RMN: Ratios source are below 0.5.
  • Page 58 SafEye Quasar 950/960 Gas Detector Troubleshooting...
  • Page 59: Appendices

    Appendices Appendices...
  • Page 60 SafEye Quasar 950/960 Gas Detector Appendices...
  • Page 61: A Wiring Configurations

    Wiring Configurations ➣ In this appendix… RS-485 Communication Network page 52 Figure 9: Detector Wiring Terminal Wiring Configurations...
  • Page 62: Figure 10: Source Wiring Terminal

    SafEye Quasar 950/960 Gas Detector Figure 10: Source Wiring Terminal RS-485 Communication Network...
  • Page 63: Figure 11: 0-20Ma Sink 4-Wire

    TM 888300, Rev. F, January 2015 Figure 11: 0-20mA Sink 4-Wire Figure 12: 0-20 mA Non-Isolated Sink 3-Wire RS-485 Communication Network...
  • Page 64: Rs-485 Communication Network

    Figure 13: 0-20 mA Source 3-Wire RS-485 Communication Network By using the RS-485 network capability of the SafEye Quasar 950/960 Detector and additional software, it is possible to connect up to 32 Detectors in an addressable system with four (4) wires only (2 for power and 2 for communication).
  • Page 65: Accessories

    Accessories ➣ In this appendix… Tilt Mount P/N 888270 page 53 Pole Mount (U-Bolt 5 inch) P/N 799225 page 53 Commissioning Kit P/N 888847 page 53 RS485 Hand-Held Diagnostic Unit P/N page 54 799810 HART Hand-Held Diagnostic Unit P/N page 54 888810 HART Hand-Held Harness Kit P/N 888815 page 54...
  • Page 66: Safeye Quasar 950/960 Gas Detector

    HART Hand-Held Harness Kit P/N 888815 A quick plug connection with harness is connected on one side to a standard HART Hand-Held unit. This includes the Spectrex Host software that can be uploaded to an existing Hand-Held unit (does not include the Hand-Held).
  • Page 67: Sunshade P/N 888263

    TM 888300, Rev. F, January 2015 Sunshade P/N 888263 The Sunshade is designed to protect the Detector from the heat of the sun. Sunshade P/N 888263...
  • Page 68: Technical Support

    Tel: +1 (973) 239 8398 Fax: +1 (973) 239 7614 Email: spectrex@spectrex.net Web-site: www.spectrex.net Your Local Office: SPECTREX INC. USA (Texas) Mr. Jay Cooley, Regional Sales Manager 16203 Park Row, Suite 150 Houston, Texas 77084 Phone: +1 (832) 321 5229 Email: jay@spectrex.net...

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