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TELEDYNE OLDHAM SIMTRONICS Everywhereyoulook GD1 MK3 User Manual

Toxic open path gas detector
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User manual
GD1 MK3
Toxic Open Path Gas Detector
P/N : 850-816926-EN - Revision 8b

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Summary of Contents for TELEDYNE OLDHAM SIMTRONICS Everywhereyoulook GD1 MK3

  • Page 1 User manual GD1 MK3 Toxic Open Path Gas Detector P/N : 850-816926-EN - Revision 8b...
  • Page 2 User Manuals in other languages are available on Website https://teledynegasandflamedetection.com Copyright  September 2023 by TELEDYNE OLDHAM SIMTRONICS S.A.S. All rights reserved. No reproduction of all or part of this document, in any form, is permitted without the written consent of TELEDYNE OLDHAM SIMTRONICS S.A.S.

  • Page 3: Limitation Of Liability

    SIMTRONICS, even though they may be involved in the sale of TELEDYNE OLDHAM SIMTRONICS products. TELEDYNE OLDHAM SIMTRONICS shall not be responsible for any direct or indirect damage, or any direct or indirect consequence, resulting from the sale and use of any of its products UNLESS SUCH PRODUCTS HAVE BEEN SELECTED BY TELEDYNE OLDHAM SIMTRONICS ACCORDING TO THE APPLICATION.

  • Page 4: Warranty

    The use of the unit has been projected for the applications specified in the technical characteristics. Exceeding the indicated values cannot in any case be authorized. TELEDYNE OLDHAM SIMTRONICS recommends regular testing of fixed gas detection installations (read Chapter 6).

  • Page 5: Table Of Contents

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Table of contents Introduction ..................1 The system ......................1 Definitions ......................1 Installation ..................3 System parts ......................3 Positioning......................5 Mounting ....................... 5 2.3.1 Mounting on pole..................6 Sun shielding ......................6 Electrical connection and wiring ..............
  • Page 6 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Download the Diagnostics file ..............45 Uploading a Configuration file ..............45 Certifications and standards............49 Certification ......................49 Marking ........................49 Specific condition for use in Explosive Atmosphere “X” ....50 Accessories and spare parts ............

  • Page 7: Introduction

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 1 Introduction 1.1 The system The GD1 is a laser-based open path Gas Detector with a separate transmitter (TX) and receiver (RX). The TX emits infrared laser light detected by the RX. The detection principle is based on measuring the absorption of light by the gas molecules along the optical line-of-sight.
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  • Page 9: Installation

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 2 Installation The area in which the detector may be installed must be in accordance with the certification of the detector and in accordance with the standards of the appropriate authority in the country of installation. 2.1 System parts RECEIVER TRANSMITTER...
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  • Page 11: Positioning

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 2.2 Positioning Deciding on how the GD1 detectors should be placed at the site is discussed in section 10.3. During installation the detector should be positioned according to the following points: •...

  • Page 12: Mounting On Pole

    When choosing pole diameter, one must account for mounting height. TELEDYNE OLDHAM SIMTRONICS recommends that for a mounting height of 2m, minimum Ø 3” (75 mm) pole is used for sufficient rigidity.

  • Page 13: Electrical Connection And Wiring

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 2.5 Electrical connection and wiring Make sure that power is disconnected or switched off before connecting any wires. The system supplying power to the GD1 shall have a fuse allowing maximum 1 A of current to enter the GD1.
  • Page 14 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Wiring overview Transmitter Junction Box: Cable from GD1 instrument System cable Terminal Transmitter Junction Box Com. cable Wire color +24 VDC White +24 VDC +24 VDC 0 V Return 0 V Return Brown 0 V Return (GND)
  • Page 15 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Wiring overview Receiver Junction box: Cable from System Terminal Receiver Junction Box Com. cable instrument cable Wire color White +24 VDC from Tx +24 VDC 0 V Return Brown 0 V Return from Tx (GND) Green Do not connect.

  • Page 16: Alternative Wiring Configurations

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 2.5.1 Alternative wiring configurations The default wiring configuration for the GD1 is with power and 4-20 mA connected to the TX side, and with power supplied to the RX via the TX junction box. Wiring alternative 1: System power connected on the receiver side Wiring alternative 2: Power on both receiver and transmitter side The instrument 0 V shall be the same for both RX and TX.

  • Page 17: Cable Types And Specification

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 2.5.2 Cable types and specification Cables must be chosen in accordance with applicable regulations. System cable: Cable from the GD1 system to control system. The table below indicates maximum cable lengths (2-wire) restrictions due to voltage drop over the power supply cable.

  • Page 18: Performing Loop Test

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Earth point The shield of the system cable should be connected to instrument earth in the central control module, and is normally not terminated at the detector. Exception: If extra RFI protection is required, and the installations grounding principles/regulations allows it, the shield is terminated to local ground via the internal earth point at the detector instead.
  • Page 19 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Description Illustration Use a device having Web browsing capabilities, for example laptop, to connect with the wireless router or Ethernet cable. If using the wireless router, from your device connect to the network SSID: “GD1” In the web browser of your device, enter the GD1 Service Interface on the address http://192.168.1.237...
  • Page 20 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL THIS PAGE LEFT INTENTIONALLY BLANK P/N : 850-816926 EN Revision 8b...

  • Page 21: Commissioning

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3 Commissioning The commissioning of the GD1 consists of four steps: • Section 3.1 Preparation. • Section 3.2 Coarse alignment. • Section 3.3 Fine tuning • Section 3.4 Function test P/N : 850-816926 EN Revision 8b...

  • Page 22: Preparation

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3.1 Preparation Before commissioning check that the following points are fulfilled: • Commissioning should be carried out in clear weather in order to allow for correct transmission settings. • There is a free line of sight between the transmitter (TX) and receiver (RX). •...
  • Page 23 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Description Illustration Rotate horizontally by hand so the RX and TX points towards each other. Adjust the RX with screws 4 (vertical direction) and horizontal by hand until the laser spot hits the target plate on the TX.

  • Page 24: Fine Tuning

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3.3 Fine tuning Please be aware that the GD1 4 – 20 mA output going to control system is set to 2 mA during alignment, 1 mA during during power up and after reset to measurement mode (Init).
  • Page 25 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration On the transmitter, connect the Ethernet adapter to the Junction Box terminals 3 - Use a device having Web browsing capabilities, for example laptop, to connect with the wireless router or Ethernet cable.
  • Page 26 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Clicking the “Align” button sets the system in Alignment Mode. If sufficient laser light is collected by the RX, the signal strength will be shown in the Absolute transmission field.
  • Page 27 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration When continuing to turn the screw after the maximum signal strength is reached, the absolute and relative transmission will start to drop. Turn screw 5 back the other direction until the relative transmission is better than 95%.
  • Page 28 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Check that the absolute transmission is as expected (indicated in the graph below). The obtained absolute transmission can vary somewhat from detector to detector. If the signal is significantly lower than the suggested values, this is an indication that the fine alignment needs to be improved, the RX is poorly aligned or the lenses are dirty.
  • Page 29 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Enter the screen "Instrument status" and wait for the GD1 to finish the Init procedure. In some cases, it can take several minutes for “Init” to finish. When the GD1 is in Measuring mode check that the noise level is OK by checking output...
  • Page 30 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration When finished minimizing the noise, enter Alignment mode, click "Done" and "Save" on the following screen. Verify that the GD1 enters Measuring mode. Note! As a default the zero filter is activated, filtering any noise/measurement and outputting 4 mA on the analogue output as long as the measurement is below 7% FS.

  • Page 31: Using A Hart® For Tuning Of Signal Strength

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3.3.2 Using a HART® for tuning of signal strength For tuning of signal strength and setting of transmission reference level, use the Alignment Interface Unit and a HART® terminal. Step description Illustration / response Clean the lenses of both transmitter (TX) and receiver (RX) for any dirt before...
  • Page 32 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response Terminal response: On the HART® terminal enter the command: Response on secondary loop (terminal 8) is set to between 3 and 14 mA depending on the strength of the optical signal received on the The system is now entering Alignment Mode (AM).
  • Page 33 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response Slightly loosen screw 2 just enough for the alignment mechanism to be able to move in the vertical direction. Note that the signal strength will typically drop slightly when screw 2 is loosened.
  • Page 34 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response Set the distance between the TX and RX by entering the following command: Terminal response: #MW 1 <path length> REGISTER 1(PATH_LENGTH)=15 For example, for a 15 meter path, the syntax is: #MW 1 15 Note! The length should be in whole meters.

  • Page 35: Function Test

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response Terminal response: Save the alignment settings to the system IM:OK by entering the following command This saves the current settings, exits Service #SAV Mode and initialize (reboots) the system. Note! After initializing has completed the GD1 will enter Measuring Mode (normal operational mode).
  • Page 36 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response Position the Test Cell in front of the receiver (RX) as indicated in the figure. Verify the 4 – 20 mA output. The output should change according to Expected output value (ppm*m): the length of the Test Cell multiplied with <length>...

  • Page 37: Performing Function Test With Co

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3.4.1 Performing function test with CO as a non-toxic alternative As a non-toxic alternative to using H S for the functional test, the GD1 is also set up to look for a peak in the CO wavelength.
  • Page 38 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration / response The above spectrum is found in GD1 Web interface. Spectrum to the left showing 472 ppm of CO in the air. To the right a spectrum showing 1 191 ppm as a result of introducing the Test Cell filled with 40 000 ppm CO .The value can be verified by using the formula in step Note! Depending on the precision of the gas mix inside the Test Cell, do not expect to see an...

  • Page 39: Operation

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 4 Operation The GD1 has no user adjustable parts inside. Do not open the GD1 housing, as this will change the internal atmosphere, and the initial calibration could be affected. Opening the GD1 also voids all warranty offered at the time of sale The GD1 has no user controls or adjustments (except for the specified HART®...
  • Page 40 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 3. As a default the zero filter is activated. The zero filter removes any fluctuations below 10 %FS. So the analogue output will show 4 mA as long as the measurement is below 10 %FS.

  • Page 41: Test Cell Filling And Emptying Instructions

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 4.2 Test Cell filling and emptying instructions When working with Hydrogen Sulphide (H S) gas, observe the following: • H2S is very toxic by inhalation • Handle and use only in a well-ventilated space •...
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  • Page 43: Maintenance

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 5 Maintenance 5.1 Regular maintenance The detector does not have any internal functions that require regular monitoring or maintenance. Regular maintenance consists only of cleaning the optics. The GD1 has no user adjustable parts. Do not open the GD1. Opening the GD1 voids all warranty offered at the time of sale.
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  • Page 45: Troubleshooting

    TOXIC OPEN PATH GAS DETECTOR USER MANUAL 6 Troubleshooting TELEDYNE OLDHAM SIMTRONICS shall do all service and repairs. Troubleshooting should be performed by the used as described below. The detector can also give fault messages if the mounting brackets are not sufficiently stable over time, for example with temperature changes or passing trucks resulting in the GD1 coming temporarily out of alignment.
  • Page 46 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Issue Possible source of problem Suggested correction Fault Check error code in the Service See section 6.1 for a description and (1 mA) interface Status screen. suggestion on how to solve the issue. Verify with multi meter in the Junction box that detector has power.

  • Page 47: Error Codes

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Issue Possible source of problem Suggested correction Laser beam obstructed by an Move the obstructing object or the object GD1. 6.1 Error codes Error codes are obtained by entering the Status screen through the Service Interface. After an error has been corrected, it can still be displayed in the Status screen in the Service interface.

  • Page 48: Tuning Detector For Less Noise

    TELEDYNE OLDHAM SIMTRONICS. 6.2 Tuning detector for less noise It is normal to see fluctuations of the H S signal below ± 8 ppm*m. This is due to noise in the measurement. Several effects can influence the noise in the H...
  • Page 49 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Observe H S level and signal strength on the Web Interface Status screen, or with a mA-meter on terminal 7 (H S signal) and 8 (signal strength). It is normal for the H signal to fluctuate up to ±...

  • Page 50: Interference From Another Gd1

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Go into the COMMISSIONING  ALIGNMENT screen and set the detector in "Alignment mode". Then store the new relative transmission by clicking DONE and SAVE. Go to the Status screen to verify the detector is in Measurement mode and noise level is OK.

  • Page 51: Download The Diagnostics File

    6. Send the diagnostics file to TELEDYNE OLDHAM SIMTRONICS support. 6.5 Uploading a Configuration file TELEDYNE OLDHAM SIMTRONICS can create an encrypted settings file that on upload to the GD1 can change critical detector settings. This can be used in situations where the customer requests a settings change, for example changing the span of the detector.
  • Page 52 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Connect to the GD1 Service Interface as described in section 10.5. IP address: http://192.168.1.237 Enter Diagnostics page. Click "Download config file" and store this in a safe place. This file can be used later to go back to the original settings if necessary.
  • Page 53 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration The new settings are being uploaded. When the uploading is finished, click "Go" to return to the Diagnostics page. Click "Done" on the Diagnostics page. Click "Init" to restart the GD1 and initiate the new settings.
  • Page 54 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Configuration upload finished! P/N : 850-816926 EN Revision 8b...

  • Page 55: Certifications And Standards

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 7 Certifications and standards 7.1 Certification The GD1 gas detectors comply with the requirements of: European Directive ATEX. See UE Declaration UK ATEX: SI . See UK Declaration relating to gas explosive atmospheres. 7.2 Marking The GD1 product identification labels are shown in the figure below.

  • Page 56: Specific Condition For Use In Explosive Atmosphere "X

    7.3 Specific condition for use in Explosive Atmosphere “X” “X”- Flameproof joints have values different from those specified in the tables of standard EN 60079-1. TELEDYNE OLDHAM SIMTRONICS does not allow repairs and disclaims any responsibility for material modifications. The threaded joints may be lubricated to maintain flameproof protection. Only non-hardening lubricants or non-corrosive agents having no volatile solvents may be used.

  • Page 57: Accessories And Spare Parts

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 8 Accessories and spare parts Accessory Part Number Description GD1-X00-TT06 Alignment Kit Suitcase with Laser alignment tools, Alignment Interface Unit and carry case. GD1-X00-TT05 Gas Test Cell Kit – long version Airtight chamber for function and calibration tests.
  • Page 58 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Spare part Part Number Description 499-817033 Alignment kit reflector plate 499-816845 Wireless router 419-906123 Laser glasses 814-816855 Spare screws and nuts for the GD1. 700-816859 All typical tools needed for alignment and service of the GD1.

  • Page 59: Ordering Information For The Gd1

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 8.1 Ordering information for the GD1 Model Description -L0* -0X * Transmitter and Receiver Transmitter only Receiver only 0 – 200 ppm*m scale 0 – 500 ppm*m scale 0 – 1 000 ppm*m scale 0 –...
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  • Page 61: Technical Specifications

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 9 Technical Specifications GENERAL Detection method Near IR laser scanning IR-Source Tunable laser diode Laser Class 1, eye safe Detected gas Range 0 - 200 ppm*m (default) Path length 5 - 75 m Self-test Continuous Calibration...
  • Page 62 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL OUTPUT SIGNAL Standard 4-20 mA sink or source (factory set), max. load impedance 500 Ω, HART® Fault signals Fault 1 mA Beam block 2 mA Option: Warning 3 mA Zero filter The “Zero filter”...
  • Page 63 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL MECHANICAL TX and RX Housing: - Material Stainless steel (ASTM 316) Cable gland Nickel plated Brass (by default) - Weight 6 Kg (12 lbs) (each) - Dimensions Ref outline drawing Junction Box: - Material Cable gland Nickel plated Brass (by default)
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  • Page 65: System Description

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 10 System description The SIMTRONICS GD1 sets a new standard for toxic gas detection. Using a tunable laser diode, the GD1 delivers enhanced coverage and fail safe detection. The performance improvement marks a major step for safety systems and life cycle cost savings.
  • Page 66 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL In contrast to traditional hydrocarbon open path detectors which emit broad-banded light, the GD1 uses a tunable diode laser (TDL) as its light source and emits light at a very narrow bandwidth.

  • Page 67: Application Areas

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 10.2 Application areas Area monitoring of: • Oil and gas installations onshore and offshore • Petrochemical plants • Chemical plants • Refineries • Pipelines • Marine • Waste disposal plants • Process water facilities •...

  • Page 68: Detection Principles

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Even if GD1 is practically solar blind, positioning the measuring path in a North – South direction is preferable to avoid direct sunlight. The performance of an Open Path gas detector is influenced by: •...

  • Page 69: How To Connect To The Web Interface With The Ethernet Cable

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Example 1 - gas cloud characteristics: C = 5 ppm; L = 15 meters Expected measurement of the GD1 = C * L = 5 ppm * 15 m = 75 ppm*m Example 2 - gas cloud characteristics: C = 10 ppm;...
  • Page 70 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration On the transmitter, connect the Ethernet adapter to the Junction Box terminals 3-6. An image of the Ethernet adapter is displayed to the right. Select a device having Web browsing capabilities with the wireless router or Ethernet cable.
  • Page 71 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description Illustration Log into the Service Interface with the Operator password: "gd1tlc" After logging in as Operator more functions are accessible as illustrated in the image to the right. Procedure finished! P/N : 850-816926 EN Revision 8b...

  • Page 72: Hart® Interface

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 10.6 HART® Interface GD1 detector supports generic HART®. For access to the detectors HART® features, connect an industry standard HART® communicator as shown in the following figures depending on the type of analogue interface (source or sink).

  • Page 73: Overview Hart® Menu

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 10.6.1 Overview HART® menu Item Description Primary Value. H S reading in ppm*m. PV URV PV Upper Range Value PV LRV PV Lower Range Value (always zero) PV loop current Primary Value. H S reading in mA (4 mA zero gas reading and 20 mA for PV URV gas reading).
  • Page 74 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL ConfigurationDeviceHARTInstallation data Long Tag Open for editing by user. Open for editing by user. Descriptor Open for editing by user. Date Open for editing by user. ConfigurationDeviceHART Revision #’s Final assembly num PV Snsr s/n Fld dev rev Software rev...

  • Page 75: Data Logging Functionality

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 10.7 Data logging functionality The GD1 has 24 MB of space reserved for storage of data chosen by the user. The user can specify at what interval the data shall be recorded and stored. The data log can be downloaded for review of for example gas releases recorded during the latest months.
  • Page 76 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description data logging Illustration In the “Instrument Log” page the operator set up what data should be logged and at what interval. Up to six data variables can be logged and is chosen from a drop-down menu as shown below.
  • Page 77 GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL Step description data logging Illustration Data logging completed. P/N : 850-816926 EN Revision 8b...
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  • Page 79: Support And Contact Details

    9. Put the printed e-mail in the packing box. 10. Mark the packing box with the following information: • Unit serial number • Sender 11. Ship the transmitter unit package to support at: TELEDYNE OLDHAM SIMTRONICS R2 Repair Department ZI Est - Rue Orfila 62027 ARRAS Cédex FRANCE...
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  • Page 81: Eu Declaration Of Conformity

    GD1 MK3 TOXIC OPEN PATH GAS DETECTOR USER MANUAL 12 Declaration of conformity P/N : 850-816926 EN Revision 8b...
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  • Page 88 Z.I. Est – CS 20417 Ruiping Road, Xuhui District, 62027 ARRAS Cedex, Shanghai Tel.: +1-713-559-9200 FRANCE CHINA Tel.: +33 (0)3 21 60 80 80 TGFD_APAC@Teledyne.com www.teledynegasandflamedetection.com © 2023 Teledyne Oldham Simtronics. All right reserved. P/N : 850-816926 EN Revision 8b / September 2023...

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