Analytical-industries GPR-1200 ATEX Portable Trace PPM Oxygen Analyzer Manuale Utente

2855 Metropolitan Place, Pomona, CA 91767 USA ♦ Tel: 909-392-6900, Fax: 909-392-3665, e-mail: [email protected], www.aii.com 10/09 GPR-1

10 Electronics The signal generated by the sensor is processed by state of the art low power micro-processor based digital circuitry. The fir

11 Accuracy & Calibration Single Point Calibration: As previously described the galvanic oxygen sensor generates an electrical current

12 Mounting the Analyzer Normally mounting a portable analyzer is not a consideration. However, the analyzer enclosure is cast with four (4) h

13 Installing the Oxygen Sensor GPR-1200 Portable ppm Oxygen Analyzer is equipped with an integral oxygen sensor that has been tested and cal

14 Establishing Power to the Electronics The analyzer is fully operational from the shipping container with the oxygen sensor installed and c

15 Menu Navigation The five (5) pushbuttons located on the front of the analyzer operate the micro-processor: 1. Blue ENTER (select) 2. Yel

16 For example, if the analyzer is reading 1% on the 0-10% range and an upset occurs, the display will shift to the 0-25% range when the oxyge

17 Zero Calibration In theory, the galvanic fuel cell type oxygen has an absolute zero meaning it produces no signal output when exposed to a

18 MAIN MENU AUTO SAMPLE MANUAL SAMPLE CALIBRATION >>> CALIBRATION SPAN CALIBRATE ZERO CALIBRATE DEFAULT SPAN DEFAULT ZERO OUTP

19 ENTER TO SAVE MENU TO RETURN 7. Compute the adjustment value as described in Appendix B or consult the factory. The true adjustment va

2 Table of Contents Introduction 1 Quality Control Certification 2 Safety 3 Specifications 4 Operation 5 Maintenance 6 Spare Parts 7 Troubles

20 ¾ Always calibrate at the same temperature and pressure of the sample gas stream. ¾ For 'optimum calibration accuracy' calibrat

21 FACTORY DEFAULTS SET 3.3 PPM AUTO SAMPLING 10 PPM RANGE 24.5 C Procedure Span Calibration: Thi

22 MAIN MENU AUTO SAMPLE MANUAL SAMPLE CALIBRATION >>> CALIBRATION SPAN CALIBRATE ZERO CALIBRATE DEFAULT SPAN DEFAULT ZERO OUTP

23 30. Disconnect the span gas line. 31. Connect a purge gas line of either zero or sample gas with a low oxygen concentration. 32. Allow t

24 8. Remember steps #29-30 and #32-33 do not apply because for air calibration the SAMPLE/BYPASS valve should already be in the SAMPLE posit

25 9. Press the ARROW keys to enter the OUTPUT SPAN OFFSET value. 10. Repeat until the complete OUTPUT SPAN OFFSET value has been entered. 1

26 and, the NPT end is taped and securely tightened into the mating male quick disconnect fittings which mate with the female fittings on the

27 Caution: DO NOT open the oxygen sensor. The sensor contains a corrosive liquid electrolyte that could be harmful if touched or ingested, re

28 7 Spare Parts Recommended spare parts for the GPR-1200 Series Portable Oxygen Analyzer: Item No. Description GPR-12-333 ppm Oxygen

29 8 Troubleshooting Symptom Possible Cause Recommended Action Slow recovery At installation – extended exposure to air At

3 2 Quality Control Certification Date: Customer: Order No.: Pass Model GP

30 Symptom Possible Cause Recommended Action Erratic O2 reading or No O2 reading Test sensor independent from analyzer

31 9 Warranty The design and manufacture of Advanced Instruments Inc. oxygen analyzers and oxygen sensors are performed under a certified Q

32 10 MSDS – Material Safety Data Sheet Product Identification Product Name Oxygen Sensor Series - PSR, GPR, AII, XLT Synonyms Electroche

33 Incompatibility KOH = Avoid contact with strong acids or Acetic Acid = Avoid contact with strong bases Hazardous Decomposition Products K

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4 3 General Safety & Installation Safety This section summarizes the basic precautions applicable to all analyzers. Additional precau

5 Installation Gas Sample Stream: Ensure the gas stream composition of the application is consistent with the specifications and review the a

6 drawn through metal tubing inside the analyzer. The internal sample system includes 1/8” compression inlet and vent fittings, a stainless st

7 Moisture & Particulates: Installation of a suitable coalescing or particulate filter is required to remove condensation, moisture and/or

8 4 Specifications * Accuracy: < 1% of FS range under constant conditions Analysis Ranges: 0-10 ppm, 0-100, 0-1000 ppm, 0-1% plu

9 5 Operation Principle of Operation The GPR-1200 portable oxygen analyzer incorporates a variety of ppm range advanced galvanic fuel cell t