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Spectrex SafEye 200 Series User And Maintenance Manual

Open path ir gas detector
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SafEye
Open Path IR Gas Detector
Series 200
User's and Maintenance Manual
Document No. TM792100, Rev. B, October 1997

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Summary of Contents for Spectrex SafEye 200 Series

  • Page 1 ™ ™ SafEye Open Path IR Gas Detector Series 200 User's and Maintenance Manual Document No. TM792100, Rev. B, October 1997...
  • Page 2 © 1997- All rights reserved The SafEye monitoring system described in this document is the property of Spectrex, Inc. It is furnished under a license agreement and is to be used only in accordance with the terms of the agreement.

  • Page 3: Table Of Contents

    ™ ™ Series 200 IR Gas Detector - User’s and Installation Guide SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct. 1997 TABLE OF CONTENTS 1 1 . . Product Description ..........................1 1.1. General Introduction ..........................1 1.2. Model Identification..........................1 1.3.
  • Page 4 ™ ™ Series 200 IR Gas Detector - User’s and Installation Guide SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct. 1997 TABLE OF CONTENTS (Continued) 2.5. Detector Wiring ............................. 34 2.5.1. Pre-Wiring Requirements........................34 2.5.2. Conduit Installation ..........................35 2.5.3.
  • Page 5 ™ ™ Series 200 IR Gas Detector - User’s and Installation Guide SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct. 1997 List of Figures Figure 1-1 Flash Source -reflector type......................5 Figure 1-2. Flash Source -lens Type ........................ 5 Figure 1-3.

  • Page 6: Product Description

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Product Description Product Description 1. 1. General Introduction The SafEye Series 200 is an optical open path line of sight gas monitoring system. It detects and monitors flammable gases and vapors , such as Methane Ethane and Propane at LEL m concentration in the air.

  • Page 7: Features

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 1. 3. Features • Detection Range up to 160m (525 ft.). • Simultaneous detection of Hydrocarbon Flammable Gases and mixtures. •...

  • Page 8: Microprocessor Based

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 4. 3. Microprocessor Based The incoming signals are analyzed by the built in microprocessor. A sophisticated mathematical algorithm that calculates between the various functions of the detected signal thresholds, and rate of rise is employed.

  • Page 9: Description

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 The calibration settings are designed for use in various applications: Gas 1 Is pure methane and is for use in methane storage and piping applications Gas 2 Universal oil and gas production mixture to be used in all cases where...

  • Page 10: Figure 1-1 Flash Source -Reflector Type

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 The Series 200 Detector is available in three basic types: Without lenses - for short range installation. With lenses - for medium range installation.

  • Page 11: Operation Modes

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 Figure 1-3. Detector 1. 6. Operation Modes The SafEye system has three operation modes; Normal, Alignment and Calibration. The Normal mode is used for basic operation. The Alignment and Calibration modes are used for alignment and calibration respectively.

  • Page 12: Alignment Mode

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 • Low Voltage Fault In this case detection is disabled due to low voltage supplied to the detector. The detector returns to proper operation only when proper voltage level restores.

  • Page 13: Visual Indications Leds

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 1. 7. Visual Indications LEDs there are two indication lights (LEDs) located in the detector’s front window referred to as the right and left LEDs. They display red, orange and green light that can be solid or blinking.

  • Page 14: Output Signals

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Notes: (1). The number of blinks shows the intensity of the received signals while the color represents the gain (see Table 1-3). The left LED shows the “tens” unit of the number while the right LED displays the “one”...

  • Page 15: Relays

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 Table 1-4. Standard (default) 4-20 mA Current for the Gas Channel Current Status and Description 0mA+0.5mA Fault 2 or Low Voltage 2mA±0.5mA Fault 1 No gas detection...

  • Page 16: Terminals

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 9. Terminals Terminal outputs are described for the Detector and the Flash Source. 1. 9. 1. Detector Terminal Terminal Wiring (Figure 1-4) displays a schematic diagram of the terminals and Figure 5 shows their location.

  • Page 17: Figure 1-5. Detector Terminal Board

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 LEGEND: 1. Detector Cover 2. Terminal Board 3. Terminal Screw 4. Securing Cable 5. Conduits Figure 1-5. Detector Terminal Board - 12 -...

  • Page 18: Flash Source Terminals

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 9. 2. Flash Source Terminals Figure 6 shows the terminal board and Table 6 describes their use. INCLUDEPICTUREORDTEXT Figure 1-6.

  • Page 19: System Setup

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 1. 10. System Setup 1. 10. 1. Detector Setting The detector consists of the following DIP Switches which enable the user to adapt the detector operation to specific application: SW1 - Function Selection Switch.

  • Page 20: Table 1-9. Gas Type Calibration Setup

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Four Gas types can be selected for maximum compatibility to Gas spectral properties. The selection of the appropriate type is defined by pre-setting of SW1-3 and SW1-4 according to the following table: Table 1-9.

  • Page 21: Flash Source Setting

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 Alarm Options Selection Switch This switch is used for the following function setting: − Selection of the Alarm status to be Latched or to vanish after the Alarm disappears.

  • Page 22: Specifications

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 11. Specifications 1. 11. 1. General Specifications Detected Gases: Simultaneous detection of C1-C8 flammable gases. Detection Range and Response Time: Model No.
  • Page 23 ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 Outputs: • 4-20mA current output: Option 1 - continuous reading : See Table 1-4. Option 2 - Discrete level : See Table 1-5. Current Source mode.

  • Page 24: Mechanical Specifications

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 11. 3. Mechanical Specifications Enclosure: The source and detector housings are made of an anodized aluminum housing with less than 1% Mg with an epoxy enamel finish.

  • Page 25: Environmental Specifications

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 1. 11. 4. Environmental Specifications The SafEye system is designed to withstand harsh environmental conditions. The source and detector units compensate for adverse conditions while maintaining accuracy.

  • Page 26: Applications

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 1. 12. Applications The Series 200 SafEye system may be used to monitor flammable gas concentration in a various applications such as: •...

  • Page 27: Introduction

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Installation The Detector and Flash Source units can be installed and maintained with the use of general purpose common tools and equipment. The installation procedure has to be performed by qualified personnel.

  • Page 28: Unpacking

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 mounted in a position where it cannot be knocked out of alignment, or guarded from physical impact. 2. 2. 4. Unpacking 1.

  • Page 29: Swivel Mount Kit

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 3. 1. Swivel Mount Kit The Swivel Mount Kit includes the items listed in Table 2-1 as follows: Table 2-1.

  • Page 30: Figure 2-1. Detector/Flash Source And Swivel Mount Assembly For Standard Installation

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 LEGEND: 1. Detector / Flash Source Assembly 6. Vertical Adjustment Screws 2. Swivel Mount Securing Plate 7. Horizontal Adjustment Screws 3.

  • Page 31: Mounting For Duct Installation

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 4. Mounting for Duct Installation The following instructions are applicable for both the Source unit and the Detector unit.

  • Page 32: Installation Surface Preparation (Figure 2-2)

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 2. 4. 3. Installation Surface Preparation (Figure 2-2) The following instructions are applicable for both the Flash Source unit and the Detector unit.

  • Page 33: Duct Mount Installation (Figures 2-3, 2-4)

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 4. 4. Duct Mount Installation (Figures 2-3, 2-4) The following instructions are applicable for both the Flash Source unit and the Detector unit.

  • Page 34: Figure 2-3. Detector/Flash Source And Duct Mount Installation Scheme

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 10 (2 PLACES) 4 (4 PLACES) 6 ( 4 PLACES) 11 (2 PLACES) 14 (4 PLACES) 15 (4 PLACES) LEGEND: 1.

  • Page 35: Figure 2-4. Duct Mount Installation - Outline Drawing

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 LEGEND: 1. Internal Plate 9. Internal Vertical Alignment Nut and Flat 2. Base Plate Gasket Washer 3. Base Plate 10.

  • Page 36: Duct Mount Alignment (Figures 2-4,2-5)

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 2. 4. 5. Duct Mount Alignment (Figures 2-4,2-5) The following instructions are applicable for both the Flash Source unit and the Detector unit.

  • Page 37: Figure 2-5. Telescope Alignment Set

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 VIEW A LEGEND: 1. Telescope Plate 2. Detector / Flash Source Securing Screw Hole. 3. Telescope Aim Figure 2-5. Telescope Alignment Set - 33 -...

  • Page 38: Detector Wiring

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 2. 5. Detector Wiring This section does not attempt to cover all of the standard practices and codes of installation.

  • Page 39: Conduit Installation

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 5. 2. Conduit Installation To avoid water condensation in the detector, it should be installed with the conduits placed downward.

  • Page 40: Figure 2-6. Series 400 Detector With Cover (Removed)

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 LEGEND: 1. Housing 9. SW1 2. Cover 10. SW3 3. Screw Hole 11. SW2 4. Female D Connector 12. Terminal Board 5.

  • Page 41: Detector Terminal Wiring

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 5. 4. Detector Terminal Wiring The detector contains a terminal board consisting of two terminal blocks. Power Supply: The input power is supplied to terminal 1.

  • Page 42: Figure 2-8. 4-20 Ma Source Output

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 4-20mA Output: Terminals 11 and 12 are used for 4-20mA current output as specified in section 1.8.1 for the 4-20mA . Detector Controller 4-20mA Channel...

  • Page 43: Flash Source Wiring

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 2. 6. Flash Source Wiring 2. 6. 1. Power Supply Input power is supplied to terminal 1. The return is connected to terminal 2 (see figure 2-10).

  • Page 44: Figure 2-10. Flash Source - Open View

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 LEGEND: 1. Housing 2. Cover 3. Conduit Inlet Plugs 4. Ground Terminal Screw 5. Grounding Wire 6. Securing Cable 7.

  • Page 45: Operation Procedures

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Operation Procedures Operation Procedures 3. 1. SafEye Operation Once the system is positioned it will monitor for possible specified gases automatically sending signals to a standard control panel or a PC.

  • Page 46: Figure 3-1. Alignment And Mode Selection

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 LEGEND: 1. Magnetic Mode Selector 5. Horizontal Adjustment Screw 2. Detector Housing 6. Sight Cover Screw 3. Detector Cover 7.

  • Page 47: Figure 3-2. Safeye Flash Source/ Detector Alignment

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 LEGEND: 1. Telescope Assembly 6. Flash Source/Detector Housing 2. Sight Mounting 7. Socket Set Screws (3) 3. Telescope Fastening Screw 8.
  • Page 48 ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 Detector Crude Alignment: Refer to Figure 3-2 for all the following instructions. Use 3/16” Allen screwdriver to loosen up the 3 socket set screws (7). Tilt the Flash Source to the general direction of the Detector.

  • Page 49: Powering On The System

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 3. 3. Powering on the system Important ! Prior to any operation or maintenence follow the Safety Precautions given at section 3.4. Make sure that the source and detector are connected to the power.

  • Page 50: Calibration Check Of Unit

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC SafEye Doc. No. TM792100, Rev. B, Oct..1997 1. Switch from Normal to Alignment mode. See Table 1-2 for LED status indication. 2. Switch from Alignment to Standby mode. The LEDs will blink alternately with a green color.

  • Page 51: General Maintenance

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct.. 1997 Maintenance Maintenance 4. 1. General Maintenance The SafEye system 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.

  • Page 52: Routine ("Monthly") Optical Surface Cleaning

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct.. 1997 4. 2. 1. Routine ("Monthly") Optical Surface Cleaning The SafEye system, being an optical device, must be kept as clean as possible. The optical surfaces concerned are the Source and Detector viewing windows.

  • Page 53: Calibration Check

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct.. 1997 Example: At a hypothetical installation the LEDs are Green-Orange with 3 green blinks (left LED) and 6 orange blinks (right LED). The number is 36 + 124 = 160 The next periodic maintenance reading has Orange-Orange LEDs with 8 orange blinks (left LED) and 8 orange blinks (right LED).

  • Page 54: Trouble Shooting

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct.. 1997 4. 3. Trouble Shooting Tables 1-2 can serve as a reference for the visual and current indications of the problem, and the following table can help provide the necessary solution.

  • Page 55: Appendix A - Outline Drawings

    ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 Appendix A A - - Outline Drawings Appendix Outline Drawings Detector Outline Drawing Figure A-1. - A-1 -...
  • Page 56 ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 φ φ Figure A-2. Source Outline Drawing: (Lens 65 Type) - A-2 -...
  • Page 57 ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct 1997 φ φ Figure A-3. Source Outline Drawing: (Lens 80 Type) - A-3 -...
  • Page 58 ™ ™ Series 200 IR Gas Detector - User’s and Maintenance Manual SPETCREX INC. SafEye Doc. No. TM792100, Rev. B, Oct..1997 FigureA-4. Source Outline Drawing: (Reflector Type) - A-4 -...

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