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...
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.
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...
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 ................
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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 ..............
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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 ...............
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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 ................
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...
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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.
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) ...
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 ...
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...
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.
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.
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.
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.
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...
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...
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SafEye Quasar 950/960 Gas Detector Description...
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.
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...
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 ...
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.
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SafEye Quasar 950/960 Gas Detector System Setup...
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...
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: ...
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.
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.
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SafEye Quasar 950/960 Gas Detector Environmental Specifications...
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...
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.
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).
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 ...
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.
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.
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 (+)
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 (+)
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.
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.
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).
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.
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.
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.
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.
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.
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SafEye Quasar 950/960 Gas Detector Troubleshooting...
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).
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).
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