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Advanced Instruments GPR-IN190 Скачать руководство пользователя страница 28

Advanced Instruments Inc. 

 

 

Analog

 

Output check-Output Calibrate

 

In certain cases, the full scale analog may not match with full scale display. This feature allows the user to adjust the 
electronics so that the full scale display matches with full scale analog signal output. To calibrate full scale signal 

output 
  

Access the MAIN MENU by pressing the MENU key. 
Advance the reverse shade cursor using the ARROW keys to highlight CALIBRATION and then select OUTPUT 

SIMULATE.  
Press the ENTER key to select the highlighted menu option. 

The following displays appear: 
 

 

MAIN MENU  

 

SELECT RANGE 

CALIBRATION 

VIEW HISTORY 

SYSTEM OPTIONS 

 
 

>>> 

CALIBRATION 

 

SPAN CALIBRATE 

ZERO CALIBRATE 
DEFAULT SPAN 

DEFAULT ZERO 

OUTPUT CALIBRATEI 

OUTPUT SIMULATE 

  

 

 

OUTPUT SPAN 

 

20.0 mA ADJUST 

 

 

PRESS UP OR DOWN TO ADJUST                           

OUTPUT ENTER/MENU TO RETURN 

 

 

Pressing UP or DOWN key will increase or decrease the full scale output signal each time. Check the output on the 
external recording device or voltmeter/ammeter. Repeat this step until the out equals the full scale analog signal 

expected, for example 20 mA in the present case. After OUTPUT CALIBRATION is complete, press ENTER/MENU key 
to return to SAMPLE mode. 

 

Sampling a Gas

 

GPR-1500 Oxygen Analyzer requires a positive pressure to flow the sample gas across the sensor to measure the 
oxygen concentration in a sample gas. If a positive sample pressure is not available, install a high quality external 

sample pump to push the sample through the analyzer; see the option of using a sample pump as described above. 
 

Procedure

 

Following calibration, the analyzer will return to the SAMPLE mode and ready for sampling the gas. 
  
Select the desired sampling mode - auto or manual – as described above. 

Use a suitable tubing to transport the sample gas to the analyzer 
The main consideration is to eliminate any air leaks which can affect oxygen measurements.  

For sample gases under positive pressure, the user must provide a means of controlling the inlet pressure between 
5-30 psig. 

For sample gases under atmospheric or slightly negative pressure, an external pump is necessary to push the sample 
through the sensor housing. Generally, when using a low voltage DC pump, no pressure regulation is necessary but a 

flow control device is recommended; a flow meter upstream of analyzer is recommended to ensure that the sample 
flow is adequate and steady. 

Assure the sample is adequately vented for optimum response and recovery – and safety. 

       

27

 

 

Содержание GPR-IN190

Страница 1: ...mospheric Power Universal specify 100 120 220 240 VAC or 12 28 VDC Range ID 4 20 mA or relay contacts Response Time 90 of final FS reading 10 seconds Sample System Sample Flow through sensor housing Sensitivity 0 5 of FS range Sensor Model GPR 12 333 M for non acid CO2 gas streams XLT 12 333 M for gases containing 0 5 CO2 Sensor Life 24 months in 1000 PPM O2 at 25ºC and 1 atm Signal Output 4 20mA ...

Страница 2: ...ments Inc GPR IN190 PPM Oxygen Analyzer Shown with optional sensor housing Owner s Manual Revised August 2013 2855 Metropolitan Place Pomona California 91767 USA Tel 909 392 6900 Fax 909 392 3665 e mail info aii1 com ...

Страница 3: ... 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 Correlating reading LCD display to 4 20mA output Appendix B 2 ...

Страница 4: ...number in the space provided and retains this Owner s Manual as a permanent record of your purchase for future reference and for warranty considerations Serial Number _______________________ Every effort has been made to select the most reliable state of the art materials and components designed for superior performance and minimal cost of ownership This analyzer was tested thoroughly by the manuf...

Страница 5: ...GPR 1900R GPR 1900W Enclosure Panel mount 7W x 4 H x 4 D panel cutout 6 W x 3 H Panel mounted with rear cover for 19 rack 19x7x12 Door mounted for NEMA4 wall mount 12x12x8 SS sensor housing and 1 8 compression type fittings for inlet and vent Test System start up diagnostics satisfactory Auto manual range Alarm relays activate deactivate with changes in O2 concentration Alarm bypass Analog outputs...

Страница 6: ...e 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 analyzer for the operator to service Only trained personnel with the authorization of their supervisor should conduct maintenance Oxygen S...

Страница 7: ...n content of air takes longer than calibrating the analyzer with a span gas for example 80 PPM oxygen Materials Assemble the necessary zero sample and span gases and optional components such as valves coalescing or particulate filters and pumps as dictated by the application stainless steel tubing is essential for maintaining the integrity of the gas stream for PPM measurements Operating Temperatu...

Страница 8: ...s resulting in a reduction of sensor signal output and the appearance of a sensor failure Consult factory for recommendations concerning the proper selection of coalescing particulate filters Moisture and or particulates collected at the sensor may be removed by either blowing on the sensing surface or gently wiping the sensing surface with damp cloth Mounting The standard analyzer is approved for...

Страница 9: ...Advanced Instruments Inc 4 Features Specifications 8 ...

Страница 10: ...he fuel for this electrochemical transducer diffuses into the sensor and reacts chemically at the sensing electrode to produce an electrical current output proportional to the oxygen concentration in the gas phase The sensor s signal output is linear over all measuring ranges and remains virtually constant over its useful life The sensor requires no maintenance and is easily and safely replaced at...

Страница 11: ...lity and therefore is not equipped with a sample system The sample must be properly presented to the sensor to ensure an accurate measurement Users interested in adding their own sample conditioning system should consult the factory Advanced Instruments Inc offers a full line of sample handling conditioning and expertise to meet your application requirements Contact us at 909 392 6900 or e mail us...

Страница 12: ...stor offsets this effect with an accuracy of 5 or better over the operating temperature range of the analyzer and generates an output signal that is virtually independent of small ambient temperature variation Note To minimize error in oxygen measurement the calibration of the analyzer should be carried out as close as possible to the temperature during sampling A small temperature variation of 10...

Страница 13: ...ents Inc Conversely an error during span adjustment at 100 of full scale range will be reduced proportionately for measurements of lower oxygen concentrations Refer to the Calibration section for additional details 12 ...

Страница 14: ...s recommended only for online analyzers performing continuous analysis below 5 of the lowest most sensitive range available with analyzer e g analysis below 0 5 PPM on the 10 PPM range Note Once the zero offset adjustment is made zero calibration is not required again until the sample system connections are modified or when installing a new oxygen sensor Determining True Zero Offset Allow the anal...

Страница 15: ...using along any flat surface The bracket attached to the sensor housing is fabricated with two 6 32 mounting holes The oxygen sensor is not position sensitive but it is recommended to orient the sensor housing with the upper section identified by the interconnection cable facing the ceiling 4 If not already connected connect the four wires of the sensor housing cable following the color coding not...

Страница 16: ...able to the normally closed NC terminal 6 Insert the stripped end of the cables into the appropriate terminal slots assuring no bare wire remains exposed that could come in contact with the back panel of the analyzer enclosure 7 Tighten the terminal screws to secure the wires of the cable Danger While connecting the cables to the relay terminals ensure there is no voltage on the cables to prevent ...

Страница 17: ...olated ground signals for external recording devices The integral IC on the main PCB provides 4 20mA fully isolated signals for output and range ID The 4 20mA current output is obtained by connecting the current measuring device between the positive and negative terminals labeled OUTPUT 4 20mA To check the signal output of the 4 20mA E I integrated circuit connect an ammeter as the measuring devic...

Страница 18: ...e upper section of the sensor housing 90º to disengage from the clamp 6 Remove the upper section by pulling it straight up and place it on a smooth surface 7 Select the AUTO RANGING option from the SAMPLE menu with gas flowing to the analyzer 8 Remove the oxygen sensor from the bag and remove the red shorting device including the gold ribbon from the PCB located at the rear of the sensor 9 Minimiz...

Страница 19: ...tly the cylinder valve 4 Loosen the nut connecting the regulator to the cylinder and bleed the pressure regulator 5 Retighten the nut connecting the regulator to the cylinder 6 Adjust the regulator exit valve and slowly bleed the pressure regulator 7 Open the cylinder valve completely 8 Set the pressure between 5 30 psig using the pressure regulator s control knob 9 Caution Do not exceed the recom...

Страница 20: ...ur 4 pushbuttons located on the front of the transmitter control the micro processor functions Blue ENTER select Yellow UP ARROW Yellow DOWN ARROW Green MENU escape MainMenu To access the MAIN MENU press the MENU ESC key and the following screen will appear MAIN MENU SELECT RANGE CALIBRATION VIEW HISTORY SYSTEM OPTIONS This screen show various option available You can use the UP and DOWN arrow key...

Страница 21: ...nge when the oxygen reading drops to 85 of the upper limit of the next lower range For example if the transmitter is reading 5 PPM on the 0 10 PPM range and an upset occurs the display will shift to the 0 100 PPM range when the oxygen reading exceeds 9 99 PPM Conversely once the upset condition is corrected the display will shift back to the 0 10 PPM range when the oxygen reading drops to 8 5 PPM ...

Страница 22: ...ed out before or after the span calibration Normally zero calibrations are performed when a new sensor is installed or changes are made in the sample system connections Allow the ZERO gas to flow through the analyzer and wait until the signal has dropped to a low value and is stable Access the MAIN MENU by pressing the MENU key Advance the reverse shade cursor using the ARROW keys to highlight CAL...

Страница 23: ...Advanced Instruments Inc Both the Zero Calibrate and Span Calibrate functions result in the following displays PASSED CALIBRATION OR FAILED CALIBRATION 22 ...

Страница 24: ...ghted menu option The following display appears and after 3 seconds the system returns to the SAMPLING mode FACTORY DEFAULTS SET 0 25 PPM AUTO SAMPLING 1 RANGE 76 F AnalyzerCalibration Span Calibration AirCalibration This procedure requires only a source of clean ambient air and removal of the sensor from its flow housing Access the interior of the analyzer by removing the 4 clamps securing the do...

Страница 25: ...cept calibration when O2 reading is within the acceptable value If the O2 reading is outside of this limit by pressing ENTER to accept calibration will result in Failed Calibration and return to the Sample mode without completing Span calibration After pressing ENTER either of the following two messages will be displayed and the analyzer will return to SAMPLE mode PASSED CALIBRATION OR FAILED CALI...

Страница 26: ...result in Failed Calibration and return to the Sample mode without completing Span calibration After pressing ENTER either of the following two messages will be displayed and the analyzer will return to SAMPLE mode PASSED CALIBRATION OR FAILED CALIBRATION DefaultSpan The software will set the SPAN adjustment based on the average output of the oxygen at a specific oxygen concentration and erase any...

Страница 27: ... CALIBRATION and then select OUTPUT SIMULATE Press the ENTER key to select the highlighted menu option The following displays appear MAIN MENU SELECT RANGE CALIBRATION VIEW HISTORY SYSTEM OPTIONS CALIBRATION SPAN CALIBRATE ZERO CALIBRATE DEFAULT SPAN DEFAULT ZERO OUTPUT CALIBRATE OUTPUT SIMULATEI OUTPUT SIMULATE 0 SPAN 4 00 mA PRESS UP OR DOWN TO ADJUST OUTPUT ENTER MENU TO RETURN Pressing UP or D...

Страница 28: ...plete press ENTER MENU key to return to SAMPLE mode Sampling a Gas GPR 1500 Oxygen Analyzer requires a positive pressure to flow the sample gas across the sensor to measure the oxygen concentration in a sample gas If a positive sample pressure is not available install a high quality external sample pump to push the sample through the analyzer see the option of using a sample pump as described abov...

Страница 29: ... allowed only after entering the PASS CODE In the vent the PASS CODE is lost enter the factory default PASS CODE 2855 to access the MENU and then renter the new PASS CODE Choosing the option to display negative number will allow the user to see the display below 0 00 but the output will not go below 3 80 mA Configure Alarms The analyzer is equipped with two programmable alarm relays ALARM 1 and AL...

Страница 30: ...er has no special storage requirements The sensor should remain connected during storage periods Store the analyzer with the power OFF If storing for an extended period of time protect the analyzer cable and sensor from dust heat and moisture 29 ...

Страница 31: ...ct with any liquid or crystal type powder in or around the sensor or sensor housing as either could be a form of electrolyte Leaking sensors should be disposed of in accordance with local regulations Procedure 1 Remove the four 4 screws securing the analyzer s front panel 2 Caution Do not discard the gaskets from the enclosure 3 Using the 5 16 wrench supplied loosen but do not remove the clamp bol...

Страница 32: ... Oxygen Analyzer include Item No Description GPR 12 333 4 ppm Oxygen Sensor XLT 12 333 4 ppm Oxygen Sensor CO2 background gas Other spare parts MTR 1011 Meter Digital Panel LCD Backlight A 1161 A1 PCB Assembly Main Display A 1162 AC PCB Assembly AC Power Supply Interconnection 31 ...

Страница 33: ...Remove restriction on vent line Replace GPR PSR sensor with XLT sensor when CO2 or acid gases are present Response time slow Air leak dead legs distance of sample line low flow rate volume of optional filters and scrubbers Leak test above reduce dead volume or increase flow rate O2 reading doesn t agree to expected O2 values Pressure and temperature of the sample is different than span gas Abnorma...

Страница 34: ...Pressurizing the sensor by flowing gas to the sensor with the vent restricted or SHUT OFF valve closed and suddenly removing the restriction draws a vacuum on the sensor or partially opening the valves upstream of the analyzer when using a pump downstream of the analyzer to draw sample from a process at atmospheric pressure or a slight vacuum Placing a vacuum on the sensor in excess 4 of water col...

Страница 35: ...ess 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 Instruments Inc will not pay for loss of time inconvenience loss of use of your Advanced Instruments Inc analyzer or property damage c...

Страница 36: ...definitely Physical Properties Boiling Point Range KOH 100 to 115 C or Acetic Acid 100 to 117 C Melting Point Range KOH 10 to 0 C or Acetic Acid NA Lead 327 C Freezing Point KOH 40 to 10 C or 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 Aci...

Страница 37: ...ye Electrolyte is corrosive and eye contact could result in permanent loss of vision Skin Electrolyte is corrosive and skin contact could result in a chemical burn Inhalation Liquid inhalation 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 lis...

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