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Advanced Instruments GPR-1200, Owner'S Manual

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Advanced Instruments GPR-1200 Owner'S Manual Download Page 9

Advanced Instruments Inc. 

 

by purging with zero or a gas with a low PPM oxygen concentration is recommended after the cleaning process is 

completed.    

 

Mounting:

 The analyzer is approved for indoor as well as outdoor use. However, avoid using the analyzer in an 

area where direct sun might heat up the analyzer beyond the recommended operating temperature range. 

 

Gas Connections:

 The Inlet and outlet vent gas lines require 1/8” or ¼” stainless steel compression type tube 

fittings. The sample inlet tubing must be metallic, preferably SS. The sample vent line may be of SS or hard plastic 

tubing with low gas permeability. 

 

Power:

 The analyzer is powered by an integral lead-acid rechargeable battery. The analyzer will continue to run for 

a minimum of 30-60 days after the battery is fully charged without the pump. If the pump is used, the battery will 

continue to power the pump for up to 8 hours.  

WARRNING: THE ANALYZER BATTERY MUST BE CHARGED IN A SAFE AREA ONLY BY USING FACTORY PROVIDED 

WALL PLUG-IN CHARGER.  

 

8 

 

Summary of Contents for GPR-1200

Page 1: ...ators LOW BATT 72 hr warning CHARGE mode Linearity 995 over all ranges Pressure Inlet regulate to 5 30 psig to deliver 2 SCFH flow vent atmospheric Power Rechargeable battery 60 day cycle 8 hrs with pump Recovery Time 60 sec in air to 10 PPM in 1 hour on N2 purge Response Time 90 of final FS reading in 10 seconds Sample System Flow control and sample bypass valves flow indicator Sensitivity 0 5 of...

Page 2: ...ced Instruments Inc GPR 1200 1200P Portable PPM Oxygen Analyzer Owner s Manual Revised May 2014 2855 Metropolitan Place Pomona CA 91767 USA Tel 909 392 6900 Fax 909 392 3665 e mail info aii2 com www aii2 com ...

Page 3: ...truments Inc Table of Contents Introduction 1 Quality Control Certification 2 Safety 3 Features Specifications 4 Operation 5 Maintenance 6 Spare Parts 7 Troubleshooting 8 Warranty 9 Material Safety Data Sheets 10 2 ...

Page 4: ...l cost of ownership This analyzer was tested thoroughly by the manufacturer prior to shipment for best performance However all electronic devices do require service from time to time The warranty included herein plus a staff of trained professional technicians to quickly service your analyzer is your assurance that we stand behind every analyzer sold The serial number of this analyzer may be found...

Page 5: ...igarette Lighter CONN 1034 Plug Mini Phone 141 dia Black Handle TOOL 1001 5 16 Combination Wrench Configuration A 1161 B Rev C3 PCB Software Version A 3878 Battery Assembly B 3346 Sample Pump Range 0 10 ppm 0 100 ppm 0 1000 ppm 0 25 Wetted parts stainless steel Electronics Test LED indicators Low battery Battery charge Electronic offset set Analog signal output 0 1V Full scale Gas Phase Test Recov...

Page 6: ... not use force when using the connectors switches and knobs Before moving your analyzer be sure to disconnect the wiring power cord and any cables connected to the output terminals located on the analyzer Maintenance Serviceability Except for replacing the oxygen sensor there are no parts inside the transmitter for the operator to service Only trained personnel with the authorization of their supe...

Page 7: ...r very low or PPM O2 level analysis Operating Temperature The sample must be sufficiently cooled before it enters the analyzer and any optional components A coiled 10 foot length of stainless steel tubing is sufficient to cool sample gases as high as 1 800 ºF to ambient temperature The recommended operating temperature is below 35 ºC However the analyzer may be operated at temperature up to 45 ºC ...

Page 8: ...water column For analyzer without a sample pump external sample pump may be deployed However user must ensure that by using external pump the intrinsic safety of the analyzer is not compromised Positioning of a Sampling Pump For oxygen measurements an optional external sample pump may be used upstream of the sensor to push the sample across the sensor and out to atmosphere For PPM oxygen measureme...

Page 9: ...gas lines require 1 8 or stainless steel compression type tube fittings The sample inlet tubing must be metallic preferably SS The sample vent line may be of SS or hard plastic tubing with low gas permeability Power The analyzer is powered by an integral lead acid rechargeable battery The analyzer will continue to run for a minimum of 30 60 days after the battery is fully charged without the pump ...

Page 10: ...Advanced Instruments Inc 4 Features Specifications 9 ...

Page 11: ...an electrical current output proportional to the oxygen concentration in the gas phase The sensor s signal output is linear and remains virtually constant over its useful life The sensor requires no maintenance and is easily and safely replaced at the end of its useful life Proprietary advancements in the design and chemistry add significant advantages to an extremely versatile oxygen sensing tech...

Page 12: ...y lit CHARGE LED only when the analyzer power is turned ON Sample System The GPR 1200 is supplied with a unique bypass sample system which enables the user to isolate the sensor from exposure to high oxygen concentration which results in a substantial increase is user productivity However the sample must be properly presented to the sensor to ensure an accurate measurement For PPM oxygen measureme...

Page 13: ...perating Temperature Range of the analyzer and generates an output function that is virtually independent of temperature There is essentially no error in measurements if the analyzer calibration and sampling are performed at the same temperature or if the measurement is made immediately after analyzer calibration Lastly a small sample ambient temperature variations within 10 15º produce 2 error in...

Page 14: ...or optimum performance Note For applications where the sample flow is ambient or at a slightly negative pressure up to 40 of water column pressure either the optional integral sample pump or an external sample pump connected to the vent of the analyzer should be used to draw the sample through the sensor housing Caution Do not place your finger over the vent it pressurizes the sensor to test the f...

Page 15: ...phone plug supplied with the analyzer Note Connect the positive lead to the center terminal of the male phone plug Insert the male phone plug into the integral female OUTPUT jack located on the side of the enclosure Caution Do not connect a recording device capable of generating a voltage greater than 12 VDC A voltage greater than 18 V may blow the safety fuse on A 1161 B Rev C3 main signal proces...

Page 16: ...regulator faster and more reliable method of purging the regulator than simply allowing the span gas to flow through the regulator and the span gas line The following components tools are required for setting a span gas cylinder 1 Certified span gas cylinder with an oxygen concentration balance nitrogen approximating 80 of the full scale range above the intended measuring range 2 Use a Pressure Re...

Page 17: ...analyzer is turned on proceed immediately to section 6 Maintenance Battery The analyzer is supplied with a 9 V AC DC adapter for recharging the batteries or operating the analyzer continuously The analyzer s charging circuit accepts only 9 VDC from any standard AC 110V or 220V adapter with positive supply in the center of the female charging jack The electronic design enables the analyzer to remai...

Page 18: ...pling modes By accessing the MAIN MENU users may select either the AUTO SAMPLING ranging or MANUAL SAMPLING to lock on a single range mode Note For calibration purposes use of the AUTO SAMPLE mode and ambient air 20 9 oxygen on the 0 25 range which meets the 80 of FS recommendation described below is recommended However the user can select the full scale MANUAL SAMPLE RANGE for calibration as dict...

Page 19: ... AUTO SAMPLE MANUAL SAMPLE CALIBRATION MANUAL RANGE 25 1 1000 PPM 100 PPM 10 PPM Advance the reverse shade cursor using the ARROW keys to highlight the desired MANUAL RANGE Press the ENTER key to select the highlighted menu option The following display appears with the range selected and oxygen concentration of the sample gas MANUAL RANGE 25 1 1000 PPM 100 PPM 10 PPM 0 3 MANUAL SAMPLING 1 RANGE 76...

Page 20: ...ignal output at a given oxygen standard The frequency of calibration varies with the application e g the degree of accuracy required by the application and the quality assurance protocol of the user However the interval between span calibrations should not exceed three 3 months Note Regardless of the oxygen concentration of the standard used the span calibration process takes approximately 10 15 m...

Page 21: ...external recording device The zero offset adjustment is limited to 50 of the most sensitive range of the analyzer At the factory each analyzer is QC tested to confirm that the maximum offset is less than 50 of the most sensitive range available Should you observe a zero offset more than 50 of the lowest range check the sample system for any possible leaks integrity of the zero gas and assure that ...

Page 22: ...e On the other hand if the offset is above 50 pressing ENTER will fail calibration and the analyzer will return to Sample mode without completing the Zero calibration Both the Zero Calibrate and Span Calibrate functions result in the following displays PASSED CALIBRATION OR FAILED CALIBRATION Default Zero This feature will eliminate any previous zero calibration adjustment and display the actual s...

Page 23: ...ee with the reading displayed on the LCD This feature enables the user to adjust the 0V signal output when the LCD displays 00 00 Note Adjust the 1V signal output with the OUTPUT SPAN option described below 1 Access the MAIN MENU by pressing the MENU key 2 Advance the reverse shade cursor using the ARROW keys to highlight CALIBRATION 3 Press the ENTER key to select the highlighted menu option and ...

Page 24: ...or abort by pressing the MENU key After adjustment the system returns to the SAMPLING mode Span Calibration Procedure Air Calibration This procedure requires only a source of clean ambient air and removal of the sensor from its flow housing 1 Access the interior of the analyzer by removing the 4 clamps securing the door of the analyzer Caution Do not remove the gaskets from the enclosure Failure t...

Page 25: ...AMPLE mode is recommended 1 Access the MAIN MENU by pressing the MENU key 2 Advance the reverse shade cursor using the ARROW keys to highlight AUTO SAMPLE 3 Press the ENTER key to select the highlighted menu option The following displays appear MAIN MENU AUTO SAMPLE MANUAL SAMPLE CALIBRATION 0 3 PPM AUTO SAMPLING 10 PPM RANGE 76 F 100 KPA 4 Return to the MAIN MENU by pressing the MENU key 5 Advanc...

Page 26: ...e wait time will vary depending on the amount of oxygen introduced to the sensor when the sample and span gas lines were switched 18 After successful calibration the analyzer will display a message Passed Calibration and return to the Sample mode NOTE The analyzer is allowed to accept calibration when O2 reading is within 50 of the span gas value If the O2 reading is outside of this limit by press...

Page 27: ...N DEFAULT ZERO OUTPUT SPAN OUTPUT ZERO 4 Advance the reverse shade cursor using the ARROW keys to highlight DEFAULT SPAN 5 Press the ENTER key to select the highlighted menu option The following displays appear and after 3 seconds the system returns to the SAMPLING mode FACTORY DEFAULTS SET 0 1 PPM AUTO SAMPLING 10 PPM RANGE 76 F 100 KPA Analog Output Adjustment at known O2 In rare instances the 0...

Page 28: ...re Following calibration the analyzer will return to the SAMPLE mode 1 Select the desired sampling mode auto or manual as described above 2 Use metal tubing to transport the sample gas to the analyzer 3 The main consideration is to eliminate any air leaks which can affect oxygen measurements 4 For sample gases under positive pressure the user must provide a means of controlling the inlet pressure ...

Page 29: ...h exception of components related to optional equipment and charging the battery of portable analyzers cleaning the electrical contacts when replacing the sensor is the extent of the maintenance requirements of this analyzer as there are no serviceable parts in the analyzer given the nature of the solid state electronics and sensor Serviceability Except for replacing the oxygen sensor there are no...

Page 30: ...zardous area Battery Assembly with Pump hazardous area A 1004 3 14 Housing Sensor Stainless Steel Upper section without sensor cable A 1016 A 1 Housing Sensor Stainless Steel Bottom Assembly B 2762 A 3 14 Housing Sensor Upper Assembly Stainless Steel MTR 1010 Meter Digital Panel LCD ORNG 1007 O ring 3 32 x 1 3 8 x 1 9 16 Viton A 1161 B Gp 1 Rev C3 PCB Assembly Main Display PWRS 1002 Power Source P...

Page 31: ... in zero gas Allow O2 reading to stabilize before making any calibration adjustment Continue purge with zero gas Leak test the entire sample system above Qualify zero gas using portable analyzer High O2 reading Sampling Flow rate exceeds limits Pressurized sensor Improper sensor selection Abnormality in sample gas Correct pressure and flow rate Remove restriction on vent line or open SHUT OFF valv...

Page 32: ... and the lead to the center circle to obtain the sensor s output in air expected value 400 900 uA If no current signal replace sensor otherwise contact factory Regulate sample gas pressure and flow Clean contacts with alcohol minimize exposure time of sensor to ambient air to extent possible Replace sensor and return damaged sensor to the factory for warranty determination Clean spring loaded cont...

Page 33: ... discouraged The front sensing membrane is only 5 8 mil thick heat sealed to the sensor body and is subject to tearing when vacuum is suddenly applied A premature ZERO OFFSET of analyzer is a common cause Sensor output beyond recommended range Zero offset beyond the permitted range Sensor output of spec span gas incorrect Zero offset beyond acceptable limit contaminated zero gas Low battery Zero t...

Page 34: ...and sensors purchased worldwide It is the only one we will give and it sets forth all our responsibilities There are no other express warranties This warranty is limited to the first customer who submits a claim for a given serial number and or the above warranty period Under no circumstances will the warranty extend to more than one customer or beyond the warranty period Limitations Advanced Inst...

Page 35: ...e analyzer securely Include your name address telephone number and a description of the operating problem After repairing or at our option replacing your Advanced Instruments Inc analyzer we will ship it to you at no cost for parts and labor 34 ...

Page 36: ... Acetic Acid 40 to 10 C Molecular Weight KOH 56 or Acetic Acid NA Lead 207 Specific Gravity KOH 1 09 20 C Acetic Acid 1 05 20 C Vapor Pressure KOH NA or Acetic Acid 11 4 20 C Vapor Density KOH NA or Acetic Acid 2 07 pH KOH 14 or Acetic Acid 2 3 Solubility in H2O Complete Volatiles by Volume None Evaporation Rate Similar to water Appearance and Odor Aqueous solutions KOH Colorless odorless or Aceti...

Page 37: ...alation is unlikely Symptoms Eye contact burning sensation Skin contact soapy slick feeling Medical Conditions Aggravated None Carcinogenic Reference Data KOH and Acetic Acid NTP Annual Report on Carcinogens not listed LARC Monographs not listed OSHA not listed Other Lead is listed as a chemical known to the State of California to cause birth defects or other reproductive harm Special Protection V...

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