Analytical-industries GPR-1800 IS ATEX Trace PPM Oxygen Transmitter Manual do Utilizador

Advanced Instruments Inc. 2855 Metropolitan Place, Pomona, California 91767 USA ♦ Tel: 909-392-6900, Fax: 909-392-3665, e-mail: [email protected]

Advanced Instruments, Inc 10 4. Features & Specifications

Advanced Instruments, Inc 11 5. Operation Principle of Operation The GPR-1800 IS Oxygen Transmitter incorporates advanced galvanic fuel cel

Advanced Instruments, Inc 12 Advanced Galvanic Sensor Technology All galvanic type sensors function on the same principle and are specific t

Advanced Instruments, Inc 13 Sample System The standard GPR-1800 IS is supplied without a sample conditioning system thereby giving users th

Advanced Instruments, Inc 14 Example 1: As illustrated by Graph A, any error during a span adjustment at lower end of the scal

Advanced Instruments, Inc 15 Mounting the Transmitter The GPR-1800 IS analyzer consists of two interconnected enclosures (without the optio

Advanced Instruments, Inc 16 Gas Connections The GPR-1800 IS with its standard flow through configuration is designed for positive pressure

Advanced Instruments, Inc 17 Electrical Connections Incoming power and signal output connections are made to a terminal block mounted on a P

Advanced Instruments, Inc 18 Hazardous Area Installation: The GPR-1800 IS may be installed in a hazardous area with proper insulation of th

Advanced Instruments, Inc 19 Installing the Oxygen Sensor The GPR-1800IS Oxygen Transmitter is equipped with a SS sensor housing. This housi

Advanced Instruments, Inc 2 Table of Contents Introduction 1 Quality Control Certification 2 Safety 3 Features & Specifications

Advanced Instruments, Inc 20 Span Gas Preparation Note: The GPR-1800 IS can be calibrated by using ambient air. However, it can also be cal

Advanced Instruments, Inc 21 Establishing Power to Electronics Once the two power input wires of the shielded cable are properly connected

Advanced Instruments, Inc 22 Main Menu To access the MAIN MENU, press the MENU (ESC) key and the following screen will appear. MAIN MENU

Advanced Instruments, Inc 23 For example, if the transmitter is reading 1% on the 0-10% range and an upset occurs, the display will shift to

Advanced Instruments, Inc 24 NOTE: With oxygen reading above 110% of the selected range, the mA signal output will increase but will freeze

Advanced Instruments, Inc 25 exposure to high O2 concentrations or air is significantly different if a sensor is being installed than if the

Advanced Instruments, Inc 26 Span Gas vs. Air Calibration The analyzer can be calibrated by using ambient air (20.9% O2 ) or a certified spa

Advanced Instruments, Inc 27 CALIBRATION will appear and the analyzer will return to Sample mode without completing the Zero calibration. B

Advanced Instruments, Inc 28 Analog Output with Zero O2 In rare instances the 4-20mA signal output may not agree to the reading displayed on

Advanced Instruments, Inc 29 Repeat the OUTPUT ZERO OFFSET routine until the output is 4 mA . Save the adjustment value by pressing the ENT

Advanced Instruments, Inc 3 1. Introduction Your new oxygen transmitter incorporates an advanced electrochemical sensor specific to oxyge

Advanced Instruments, Inc 30 GAS CONCENTRATION PERCENT PPM The following displays appear: 000.00 % PRESS UP OR DOWN

Advanced Instruments, Inc 31 Disconnect the span gas line and replace it with the sample gas line. Default Span With factory default span,

Advanced Instruments, Inc 32 MAIN MENU AUTO SAMPLE MANUAL SAMPLE CALIBRATION CONFIG ALARMS BYPASS ALARMS >>>CALIBRATION SPAN

Advanced Instruments, Inc 33 For sample gases under positive pressure, the user must provide a means of controlling the inlet pressure betwe

Advanced Instruments, Inc 34 6. Maintenance Generally, cleaning the electrical contacts inside of the upper section of the sensor housing or

Advanced Instruments, Inc 35 8. Troubleshooting Symptom Possible Cause Recommended Action Slow recovery or At installation,

Advanced Instruments, Inc 36 Symptom Possible Cause Recommended Action Response time slow Air leak, dead legs, distance of sample line,

Advanced Instruments, Inc 37 or No O2 reading accompanied by electrolyte leakage suddenly removing the restriction draws a vacu

Advanced Instruments, Inc 38 9. Warranty The design and manufacture of GPR Series oxygen transmitters/analyzers, monitors and oxygen sensor

Advanced Instruments, Inc 39 Be sure to pack the analyzer securely. Include your name, address, telephone number, and a description of the o

Advanced Instruments, Inc 4 3. General Safety & Installation This section summarizes the essential precautions applicable to the GPR-1

Advanced Instruments, Inc 40 Flammable Limits Not flammable Extinguishing Method Not applicable Special Fire Fighting Procedures Not appli

Advanced Instruments, Inc 41 Special Precautions Precautions Do not remove the sensor’s protective Teflon and PCB coverings. Do not probe

Advanced Instruments, Inc 42 Appendix A Electrical connections require an approved explosion proof sealing fitting and packing around wires

Advanced Instruments, Inc 43 Caution: At least five threads must engage on all fill plugs. Caution: Prolonged breathing or ingestion may c

Advanced Instruments, Inc 44 Appendix B Matching - LCD Display with 4-20mA Output In rare instances the 4-20mA signal output may not agree

Advanced Instruments, Inc 45 Adjust 4 mA with Zero O2 Access the MAIN MENU by pressing the MENU key. Advance the reverse shade cursor using

Advanced Instruments, Inc 46 Adjust 20 mA at known O2 Access the MAIN MENU by pressing the MENU key. Advance the reverse shade cursor using

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Advanced Instruments, Inc 5 2. Quality Control Certification

Advanced Instruments, Inc 50 Appendix G Maintenance – H2S Scrubber Servicing any of the H2S scrubbers will depend on several factors as il

Advanced Instruments, Inc 51 The bowl seals to the head section with an o-ring, do not lose the o-ring. The filter element screws into the h

Advanced Instruments, Inc 6 Maintenance Serviceability: Except for replacing the oxygen sensor, there are no parts inside the transmitter

Advanced Instruments, Inc 7 Expected Sensor Life: With reference to the publish specification located at the last page of this manual, the

Advanced Instruments, Inc 8 Outlet Pressure: In applications where sample pressure is positive, the sample must be vented to an exhaust pipe

Advanced Instruments, Inc 9 by purging with zero or a gas with a low PPM oxygen concentration is recommended after the cleaning process is c