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Summary of Contents for madur electronics GA-12
- Page 1 HAND-HELD GAS ANALYSER Manual Version: 1.0 11/2010...
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Page 2: Table Of Contents
Manual GA12 Index Introduction........................3 2. Construction of the GA-12 gas analyser..............4 2.1. Electric connections....................4 2.2. Gas channel......................5 2.3. Supply........................5 3. Maintenance of GA-12....................7 3.1. Keyboard.........................7 3.1.1. Entering numeric values................8 3.2. Starting the analyser....................8 3.3. Screens........................9 3.3.1. Results screens....................9 3.3.2. -
Page 3: Introduction
GA12 1. INTRODUCTION GA-12 gas analyser is a high quality hand-held analyser that is built using the most advanced materials and techniques. It is designated to measure combustion gases concentrations, to ease with boilers' regulations and for leakage tests. The device is closed in a durable and handy housing. -
Page 4: Analyser
GA12 2. CONSTRUCTION OF THE GA-12 GAS ANALYSER The GA-12 gas analyser is a device designed to perform combustion gases measurements and leakage tests, helps to maintenance boilers. To ease the work with the analyser, it is closed in a handy, durable ABS housing of dimensions: 117x72x47. -
Page 5: Supply
2.3. Supply GA-12 analyser is supplied by four R6 1,5V batteries or by internal Li-Ion battery. The analyser is equipped with external power supply connector (located in the top part of the analyser's housing) – it is dedicated only to internal Li-Ion battery and supplied by producer only when the Li-Ion battery option is selected. - Page 6 www.madur.com Manual GA12 Drawing 4. R6 batteries arrangement It is possible to use LR6 AA 1,5V alkaline batteries or 1,2V NiMH / NI-Cd re- chargeable batteries. When alkaline batteries are replaced with rechargeable ones and user will connect the power supply to analyser's connector, the batteries will NOT be CHARGED.
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Page 7: Ga-12
Manual GA12 3. MAINTENANCE OF GA-12 3.1. Keyboard Drawing 5. GA-12 keyboard Actions assigned to keyboard's keys: 1. Left function key – it evokes an action described in the display above this key. 2. Power-on button / Middle action key. When the device is off, to turn it on press and hold this button. -
Page 8: Values
www.madur.com Manual GA12 4. Down arrow key – moves cursor down while navigating through screens and allows to switch between results screens. 5. Print – calls print screen. 6. Power-off button 7. Right arrow key – during data edition move cursor right. It also allows to change an option. -
Page 9: Screens
www.madur.com Manual GA12 Drawing 6. Initial calibration screen. The icon in the top-left corner of the screen shows the load of the battery. When the initial calibration is done, the Parameter's screen is displayed. It allows to check / set measurement parameters. - Page 10 www.madur.com Manual GA12 - Results averaging time. Times available to select: 2; 10; 20; 30; 60; 120; 180 seconds. - informs about the battery load. When the battery discharges, its sym- bol changes to inform about the current load: Drawing 8. Battery load symbol If the external supply is plugged-in then the battery symbol changes to: 12:48...
- Page 11 www.madur.com Manual GA12 Keyboard short-cuts to the following screens and options available from the Res- ults screen: Store? - Left function key (M+) Action - Middle function key Measurement parameters - Right function key Graph - Left arrow key Menu - Right Arrow Key Print? - Printer button key...
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Page 12: Action
www.madur.com Manual GA12 When the XL test is running, the battery load icon is replaced with a number of the current XL test (X1, X2, X3) and the clock counts time till the end of the test. The analyser beeps every two seconds when the test is running. Triple XL measurement –... -
Page 13: Parameters
www.madur.com Manual GA12 HOLD * – Currently measured results are freezed on the screen. Press again the same function key to unfreeze the results. HOLD mode is indicated by flashing * over the middle function key. HOLDing the result may also disable the pump. This setting is made from the PC software mPortable.exe –... - Page 14 www.madur.com Manual GA12 Drawing 12. Measurement parameters screen Parameters that user can adjust here: Averaging time – The analyser stores, in its internal buffer, the results every 2 seconds. However the results displayed on the screen are averaged for the selected time.
- Page 15 www.madur.com Manual GA12 left / right arrow keys. The number in the line, on the right (in the drawing above it is #212) represents the number of the fuel in the PC software data- base, below this line there is the fuel's name. XL test time –...
- Page 16 www.madur.com Manual GA12 Name α O Vair [MJ/kg] [°C] F0 Gas naturale 15,4 42,7 0,66 0,007 52 3 10,53 11,20 48,0 F1 GPL 11,7 35,9 0,63 0,009 32 8,56 9,54 56,0 F2 Gasolio 13,1 16,1 0,68 0,011 32 3,61 3,90 60,0 F3 Olii combustibili 10,2 17,4 0,68 0,011 32...
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Page 17: Options
www.madur.com Manual GA12 6. Y axis minimum value. 7. ESC – returns to standard Results screen. 8. Options – calls Graph options screen 9. Value's graph for the last 190 seconds 10. Marker – allows to view the result value for the selected time. 3.3.5.1. -
Page 18: Settings
www.madur.com Manual GA12 3.3.6. Menu From any of the Results screen user can call Menu screen – press right arrow key. Drawing 15. Menu screen. Each line of the Menu screen calls the following screens with settings and calibra- tions: Settings –... -
Page 19: Regulation
www.madur.com Manual GA12 Press. Unit – allows to change the unit of the pressure – it is used in the prin- touts and to present values on the screen. Available units: hPa, Pa, mmH2O and inH2O. Temp. unit – allows to change the temperature unit. Available: °C or °F. CO unit –... - Page 20 www.madur.com Manual GA12 Drawing 18. Reports screen To view a report select it from the Reports screen (use up / down arrow keys) and press Right arrow key. Each report consists of four screens which contains stored values of measurements. Right function key (beneath the icon ) switches between the con- tents of the report.
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Page 21: Clock
www.madur.com Manual GA12 Pressing Esc or No returns to previous window. Yes starts the printout. If a report you want to print is a part of 3 XL test then a bit different screen is called: Drawing 21. Confirmation of one of 3XL test printout Esc returns to previous screen. -
Page 22: Service
www.madur.com Manual GA12 Drawing 23. Clock settings Clock options available: Time – use left / right arrow keys to select a digit to change, use up / down arrow keys to change the digit: Drawing 24. Time adjustment Date: Drawing 25. Date adjustment Date format –... - Page 23 www.madur.com Manual GA12 Options available in the menu screen: Info – displays detailed information about the analyser: Drawing 27. Information in the Info screen. Control list – displays all measured by the analyser signals. This is useful when troubleshooting. Drawing 28. Control list screen Calibration with gases –...
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Page 24: Gases
www.madur.com Manual GA12 Drawing 29. Restriction to the calibration option 3.3.6.5.1. CALIBRATION WITH GASES If the calibration option is not restricted to the user the screen shown in the pic- ture below appears. There, please select the sensor you wish to calibrate. Drawing 30. -
Page 25: Calibration
www.madur.com Manual GA12 Drawing 32. Calibration of the gas sensor. The calibration screen contains a table with sensor's signals. The description of the values in the table: ppm – currently measured gas concentration. M – signal stored during the last calibration. S –... - Page 26 www.madur.com Manual GA12 Therefore, the calibration procedure can be taken only as the last resort! Be sure you are familiarised with the procedure and you have suitable equipped required for pres - sure calibration. To perform the pressure calibration the precise reference pressure sensor is re- quired.
- Page 27 www.madur.com Manual GA12 To call the Print? Screen press function key. The last measured values are stored in the analyser's buffer from where they can be printed. The analyser can print averaged results or results from a specified report. The numbers on the right represents the printout form.
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Page 28: Measurements
www.madur.com Manual GA12 4. MEASUREMENTS 4.1. Pressure measurement Drawing 37. Pressure measurement test Pressure measurement is called from the screen Action and allows to perform fast measurement of the differential pressure. The right function key P → 0 allows to per- form zero the pressure sensor. - Page 29 www.madur.com Manual GA12 Drawing 39. Thresholds of the Ambient CO test. Alarm 1 is the first threshold and can be set from 1 to 20 ppm (with 5 ppm step). If this level is exceeded the analyser beeps once every 1 second. Alarm 2 sets the second threshold level.
- Page 30 www.madur.com Manual GA12 Drawing 42. Ambient CO concentration shown in the Results screen (top bottom value).