Analytical-industries GPR-7500 AIS Trace PPM Hydrogen Sulfide Analyzer 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 Advanced Electrochemical Sensor Technology All electrochemical sensors driven by a bias potential (three electro

Advanced Instruments, Inc. 11 pressure on the sensor will alter the output of the sensor and unless the sensor is calibrated under the same an

Advanced Instruments, Inc. 12 Mounting of the Transmitter The GPR-7500AIS transmitter consists of two interconnected enclosures (without the

Advanced Instruments, Inc. 13 Gas Connections The GPR-7500AIS with its standard flow through configuration is designed for positive pressure s

Advanced Instruments, Inc. 14 Note: If equipped with optional H2S scrubber, the H2S from the sample gas will be removed by the scrubbing mater

Advanced Instruments, Inc. 15 Electrical Connections The Incoming power, alarm relays, and signal output connections are made to terminal bloc

Advanced Instruments, Inc. 16 Hazardous Area Installation The GPR-7500AIS may be installed in a hazardous area when adhered to the recommended

Advanced Instruments, Inc. 17 Note: The male and female power terminals snap together, making it difficult to detach them when connecting the

Advanced Instruments, Inc. 18 Span Gas Preparation Note: The GPR-7500AIS can be calibrated by using a certified span gas, preferably 50-80% of

Advanced Instruments, Inc. 19 Establishing Power to Electronics Once the two power input wires of the shielded cable are properly connected to

Advanced Instruments, Inc. 2 Table of Contents Introduction 1 Quality Control Certification 2 Safety 3 Features & Specifications 4 Op

Advanced Instruments, Inc. 20 This screen shows various options available. You can use the UP and DOWN arrow key to move the cursor and highli

Advanced Instruments, Inc. 21 4. Advance the reverse shade cursor using the ARROW keys to highlight the desired MANUAL RANGE. 5. Press the

Advanced Instruments, Inc. 22 The maximum zero offset of every transmitter is checked prior to shipment. However, due to the fact that the fac

Advanced Instruments, Inc. 23 offset does not exceed 50% of the lowest range, this indicates that the integrity of the sensor, the analyzer/tr

Advanced Instruments, Inc. 24 2. Advance the reverse shade cursor using the ARROW keys to highlight CALIBRATION. 3. Press the ENTER key to

Advanced Instruments, Inc. 25 6. The default setting of 100 illustrates no adjustment to the 4 mA signal. Adjust the initial value to

Advanced Instruments, Inc. 26 8. After selecting the SPAN CALIBRATION, the following displays appear: 9. Press the ENTER key to adva

Advanced Instruments, Inc. 27 4. Advance the reverse shade cursor using the ARROW keys to highlight DEFAULT SPAN. 5. Press the E

Advanced Instruments, Inc. 28 6. The default setting of 100 illustrates no adjustment to the analog output signal. Adjust the initia

Advanced Instruments, Inc. 29 14. If the transmitter is equipped with an optional integral sampling pump (positioned downstream of the sensor

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

Advanced Instruments, Inc. 30 6. Maintenance Generally, replacing the sensor periodically or replacing filter element of the coalescing filter

Advanced Instruments, Inc. 31 8. Troubleshooting Symptom Possible Cause Recommended Action Slow recovery At installation, defect

Advanced Instruments, Inc. 32 Symptom Possible Cause Recommended Action Response time slow Air leak, dead legs, distance of sample line, lo

Advanced Instruments, Inc. 33 9. Warranty The design and manufacture of GPR Series oxygen transmitters/analyzers, monitors and oxygen sensors

Advanced Instruments, Inc. 34 10. MSDS – Material Safety Data Sheet Product Identification Product Name H2S sensor Series - GPR Synonyms El

Advanced Instruments, Inc. 35 Unusual Fire and Explosion Hazards Not applicable Reactivity Data Stability Stable Conditions Contributing to

Advanced Instruments, Inc. 36

Advanced Instruments, Inc. 4 2. Quality Control Certification

Advanced Instruments, Inc. 5 3. Maintenance Serviceability: Except for replacing the hydrogen sulfide sensor, there are no parts inside the tr

Advanced Instruments, Inc. 6 temperature of 77°F/25°C and pressure of1 atmosphere in “normal” applications. Deviations from standard conditio

Advanced Instruments, Inc. 7 Application, Positive-Pressure A flow indicator with integral metering valve positioned upstream of the sensor is

Advanced Instruments, Inc. 8 4. Features & Specifications

Advanced Instruments, Inc. 9 5. Operation Principle of Operation The GPR-7500AIS H2S Transmitter incorporates a variety of advanced electroche