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ABB EXGP Installation Manual

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EXGP
Oxygen Analyzer System
ABB Instrumentation
Installation Guide
EXGP Probe

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Summary of Contents for ABB EXGP

  • Page 1 EXGP Installation Guide Oxygen Analyzer System EXGP Probe ABB Instrumentation...
  • Page 2 St Neots, U.K. – Cert. No. Q5907 environmental applications. Stonehouse, U.K. – Cert. No. FM 21106 As a part of ABB, a world leader in process automation technology, we offer customers application expertise, service and support worldwide. EN 29001 (ISO 9001) We are committed to teamwork, high quality manufacturing, advanced technology and unrivalled service and support.

  • Page 3: Table Of Contents

    Fig. 1.1. System Hardware ..........2 1.2 Certification PREPARATION ............4 The EXGP Probe is classed as a 'Simple Apparatus' and may therefore be installed in Zone 1 Hazardous Areas as an Unpacking ............4 Checking the Code Number ......4 intrinsically safe product.

  • Page 4: System Hardware

    1.3 System Hardware – Fig. 1.2 A calibration gas inlet port is provided to enable the probe to be The EXGP Oxygen Probe is an 'in situ' method of measuring checked using test gas mixtures without removing it from the oxygen concentration designed for use in hazardous areas process.
  • Page 5 NON HAZARDOUS AREA (Zone 1, Class IIB) Flameproof Interface Electronics Unit EExd. IIB T6 Conforming to BS5501 Part 5: 1977 4680 Transmitter 4685 Transmitter Flue EXGP Probe Process Simple Device Conforming 600°C to 1400°C to BS5345 Part 4: 1977 Retransmission Mains Supply (1250°C...

  • Page 6: Preparation

    2 PREPARATION 2.1 Unpacking 2.2 Checking the Code Number – Fig. 2.1 Before installing the equipment, check the code number on the Caution. The probe is very fragile. Unpack and probe – see Fig. 2.1. handle with care. Remove cover Each probe is despatched with its components individually retaining screws (x3) placed within a common pack.

  • Page 7: Assembling The Probe

    2 PREPARATION 2.3 Assembling the Probe – Fig. 2.2 Caution. Take care to avoid damage to the probe when fitting the sheath assembly. Tighten the nuts down equally so that the fixing flange is pulled down tightly against the locating step on the sheath and the sealing ring is compressed until the adjacent faces of the clamp ring and sheath are 1 to 1.5mm apart.

  • Page 8: Installation

    • In the presence of aggressive compounds, e.g. molten slags, molten silicates, metals and vapors of lead, zinc, silicon and vanadium. Maximum Distance 230ft (70m) DO NOT OPEN WHEN FLAMMABLE ATMOSPHERE IS PRESENT A – Maximum Distance Between EXGP Probe and Interface Electronics Unit 1000°C Max. Incoloy Sheath 1250°C Max. Porcelain Sheath 600°C Min.

  • Page 9: Mounting

    3 INSTALLATION… 3.2 Mounting – Figs. 3.2 and 3.3 Dimensions in inches (mm) 3.46 (88) Reference Connector Head Mounting Flange Air Line Entry Probe Outer Sheath 1.08 (27.5) 4.53 (115) 21.89 (556) 37.52 (953) 4.80 (122) 0.20 (5) 4.92 (125) Fixing holes in mounting flange to be drilled by customer Fig.

  • Page 10: Mounting Configurations

    …3 INSTALLATION 3.2.1 Mounting Configurations – Fig. 3.3 Dimensions in inches (mm) The probe may be fitted horizontally or, preferably, vertically for prolonged high temperature operation. Mount the probe through the furnace wall using the preferred method shown in Fig. 3.3A. Ensure that a sufficiently large hole is provided through the mounting –...

  • Page 11: Connections

    • The Capacitance and Inductance or Inductance to Resistance (L/R) ratio of the cables connected to the output (hazardous area terminals) of the zener barriers mounted in the EXGP Interface Electronics Unit must not exceed the values shown. • All cables must conform to BS5345 for flameproof 'd' type enclosures for mechanical construction.

  • Page 12: Fault Finding

    5 FAULT FINDING Warning. probe operates high temperatures. Take all necessary precautions to avoid injury through burns. — During its working life, under normal recommended u l i conditions, the probe output remains accurate and without drift. However, probe malfunctions can result from a fault in the y t l probe or from incorrect operating conditions.

  • Page 13: Appendix

    APPENDIX A1 Principles of Operation Nernst Equation The EXGP probe comprises a ceramic detector cell housed in a protective sheath. A thermocouple is fitted within the probe to 0.0496 T (log ) + C mV enable the process temperature to be monitored or for automatic temperature compensation to be provided.
  • Page 14 NOTES...
  • Page 15 PRODUCTS & CUSTOMER SUPPORT A Comprehensive Instrumentation Range Customer Support Analytical Instrumentation ABB Instrumentation provides a comprehensive after sales service via a Worldwide Service Organization. Contact one of • Transmitters the following offices for details on your nearest Service and...
  • Page 16 The Company’s policy is one of continuous product improvement and the right is reserved to modify the information contained herein without notice. © ABB 2000 Printed in UK (05.00) ABB Instrumentation Ltd ABB Automation Inc. ABB Instrumentation SpA St. Neots...

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