Analytical-industries GPR-1200 MS ATEX Portable PPB Oxygen Analyzer Manuel d'utilisateur

2855 Metropolitan Place, Pomona, CA 91767 USA ♦ Tel: 909-392-6900, Fax: 909-392-3665, e-mail: [email protected], www.aii1.com 10/09 GPR-120

10 The sample system may include optional additional components such as a 3-way sample/span valve, a pressure regulator, coiled metal tubi

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

12 Example: As illustrated by Graph A any error, play in the multi-turn span pot or the temperature compensation circuit, during a span adjus

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

14 Installing the Oxygen Sensor GPR-1200 MS Portable ppm Oxygen Analyzer is equipped with an integral oxygen sensor. They are fully operationa

15 Establishing Power to the Electronics: Establish power to the analyzer electronics by pushing the red ON/OFF key. The digital display respon

16 Range Selection: The GPR-1200 MS analyzer is equipped with five (5) standard measuring ranges (see specification) and provides users with a

17 The following display(s) appear depending on the range selected and oxygen concentration of the sample gas: 0.000 PPM MANUAL SAMPLING 1

18 Zero Calibration In theory, the oxygen sensor produces no signal output when exposed to an oxygen free sample gas. However, the analyzer wil

19 Note: Satisfying users that the zero offset is reasonably acceptable for their application can be accomplished much quicker. Unless the zero

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

20 example, a span gas with an 80 ppm oxygen concentration with the balance nitrogen would dictate the use of the 0-100 ppm full scale range fo

21 000.00 PPM PRESS UP OR DOWN TO CHANGE VALUE SELECT TO SAVE ESC TO RETURN >>> 80.00 PPM SPAN CALIBRATION ENTER TO CALIBRA

22 The sensor is exposed to sample gas that must flow or be drawn through the analyzer’s internal sample system. The sample system may include

23 7. For sample gases under positive pressure the user must provide a means of regulating the inlet pressure between 5-30 psig and the flow o

24 An LED indicator located on the front panel will light continuously during the CHARGE cycle. A second LED indicator located on the front pan

25 7 Spare Parts Recommended spare parts for the GPR-1200 MS Series Portable Oxygen Analyzer: Item No. Description GPR-12-2000MS ppm O

26 8 Troubleshooting Symptom Possible Cause Recommended Action Slow recovery At installation, defective sensor Air leak in sa

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

28 9 Warranty The design and manufacture of our oxygen sensors and analyzers is performed under a certified Quality Assurance System that co

29 10 MSDS – Material Safety Data Sheet Product Identification Product Name Oxygen Sensor Series - PSR, GPR, AII, XLT Synonyms Electrochem

3 2 Quality Control Certification Date: Customer: Order No.: Pass Model GPR-1200 MSMS Portable ppm Oxygen Analyzer Sensor ( )

30 Reactivity Data Stability Stable Conditions Contributing to Instability None Incompatibility KOH = Avoid contact with strong acids or Ac

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4 3 Safety General This section summarizes the essential precautions applicable to the GPR-1200 MS Series Portable ppm Oxygen Analyzer. Additi

5 Maintenance Serviceability: Except for replacing the oxygen sensor, there are no parts inside the analyzer for the operator to service. Only

6 4 Specifications * Accuracy: < 1% of FS range under constant conditions Analysis: 0-1 ppm, 0-10, 0-100, 0-1000 ppm FS ranges; auto-ra

7 5 Operation Principle of Operation The GPR-1200 MS portable oxygen analyzer incorporates a proprietary Pico-Ion oxygen sensor. The analyze

8 Oxygen, the fuel for this electrochemical transducer, reacts chemically at the sensing electrode to produce an electrical current output pro

9 Pressure & Flow All electrochemical oxygen sensors respond to partial pressure changes in oxygen. The inlet pressure must always be hig