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USER MANUAL OPTIMA

 

BIOGAS 

 

MRU GmbH, D-74172 Neckarsulm 

 

70 / 98

 

9.3.

 

Service values 

Should your analyser display an error message after zeroing (for exam-ple: 

„O2-Sensor not OK"), then you can use the Service value menu to get de-

tailed information about possible defects. In this menu you will see all ser-

vice values of the sensors and also other parameters.  

In case of a defect contact the MRU service department. The MRU ser-vice 

technician will ask you about these values or he will ask you to send them 

by fax or email.

 

 

 
 

 

 

 

 
 

 

 
 

►

 

Go to the Extras menu. 

►

 

Select Service values. 

►

 

Press OK. 

 

The Menu Service values appears. 

►

 

If necessary, press F1 to switch on the function test of the Gas pump 

►

 

If necessary, press F2 to switch on the function test of the Purge pump. 

►

 

Press OK. 

 

A window for entering the Pin-Code appears.  

 

 

 

Summary of Contents for OPTIMA Biogas

Page 1: ...OPTIMA Biogas USER MANUAL 4202EN B...

Page 2: ...manual 2022 by MRU No part of this manual my be published in any form print fotocopy electronic media or any other publication form without a written approval by the publisher All user trade marks an...

Page 3: ...traction probes 20 4 Operating 21 4 1 Display 21 4 2 Keypad 22 4 3 Menu structure 23 5 First usage 24 5 1 Preparatory steps 24 5 2 Customize settings 24 5 3 Export and import settings 25 Export user s...

Page 4: ...red values in temporary buffer 45 7 6 Perform Annular gap test 46 7 7 Perform Test program 47 7 8 CO H2 and CO high optional 47 7 9 Non continuous draft measurement 47 7 10 Perform pressure measuremen...

Page 5: ...11 Option Gas flow measurement 76 11 1 Connect Prandtl Pitot tube to analyser 76 11 2 Open menu Gas flow measurement 77 11 3 Define settings and parameters 78 11 4 Enter Cross section area 79 11 5 Per...

Page 6: ...USER MANUAL OPTIMA BIOGAS MRU GmbH D 74172 Neckarsulm 6 98 Create your own logo 94 Import logo into analyser 96 Delete logo 96 15 Declaration of conformity 97...

Page 7: ...more DANGER Identifies an immediate impending hazard that if ignored will result in severe bodily injuries or death WARNING Identifies an immediate impending hazard that if ignored may result in sever...

Page 8: ...ontinuous measurements Before using the analyser verify the condition of the various parts of the analyser such as the probe the ambient air conditions the condensate separator star filter and the con...

Page 9: ...be detected by human nose CO2 gas is heavier than air and therefore operator shall avoid using porta ble biogas analyser at underground levels Beside of that CO2 is also odourless It is not allowed u...

Page 10: ...t throw the rechargeable battery into a fire charge it at high tem peratures and store it in a hot environment Do not deform short circuit or modify the rechargeable battery The rechargeable battery m...

Page 11: ...analyser over to others 2 1 Intended use The Analyser is used for BIOGAS simultaneous measurements of O2 CH4 CO2 H2S and op tional the BIOGAS pressure optional for combustion measurements of the engi...

Page 12: ...ulations VDE 0411 EN61010 and DIN VDE 0701 before they leave the MRU GmbH factory MRU technical products are designed and manufactured according to DIN 31000 VDE 1000 and UVV VBG 4 of the professional...

Page 13: ...in Neckarsulm Germany Founded in 1984 a medium sized company that specializes in developing producing and marketing high quality emission monitoring analysers MRU GmbH produces a wide range of instru...

Page 14: ...s to prevent damage in transit in case you need to return the unit to the factory 2 4 Return of hazardous materials Waste Disposal Returns Warranty MRU is required to accept the return of hazardous wa...

Page 15: ...biogas and analyses it for its components using NDIR and electrochemical sensors Position Description 1 Biogas sampling hose 2 Connection to gas outlet 3 Condensate separator 4 Star filter 5 Non retur...

Page 16: ...AS MRU GmbH D 74172 Neckarsulm 16 98 3 2 Analyser The analyser consists of a compact and robust glass fiber reinforced plastic hous ing All connections relevant for the measurement are located on the...

Page 17: ...vely to optimal motor exhaust measurements If during zeroing T air 5 is disconnected then value of T gas at the end of zeroing will be used In this case the measuring value will be displayed green col...

Page 18: ...and dry and clean the condensate separator it can be easily disassembled and screwed back together After cleaning a leak test must be performed See also chapter 9 4 Performing leak test Page 71 An ex...

Page 19: ...message could indicate a closed water stop filter Check in the water stop filter Replace the water stop filter if necessary Remove the condensate separator with water stop from the analyser as descri...

Page 20: ...r a complete overview of accessories see the company s current price list Here two variants are shown as examples 1 Probe tube 4 Connector for sample gas measurement 2 Probe cone high grade steel 5 Co...

Page 21: ...e operation of the analyser can be obtained from the analyser s display which contains the following information Position Description 1 Menu bar 2 Display panel Menu Measurement values 3 Function key...

Page 22: ...ded before switching off Function keys Activates the function that is shown in the function key bar on the display Menu Key Will show all available func tions in the window that is currently in use al...

Page 23: ...e Menu Extra All other actions are available here to manage and customize the an alyser You can jump in between the 3 main menus with the 3 function keys ac cording to the displayed name on the screen...

Page 24: ...pack the analyser Read the User Manual completely The analyser leaves the factory assembled and ready for use Nevertheless check the device for completeness and integrity Charge the battery of the ana...

Page 25: ...mport these settings to another analyser Export user settings Make sure that there is an SD card in the analyser Go to the menu Settings See also chapter 5 2 Customize settings Page 24 Press the menu...

Page 26: ...ter 5 2 Customize settings Page 24 Press the menu key A selection list appears Select Import user settings Press OK The settings are imported 5 4 Set measurement Go to the menu Settings See also chapt...

Page 27: ...er may be required Please check in the following menu Go to the menu Settings See also chapter 5 2 Customize settings Page 24 Press F2 The menu Bluetooth appears If DUAL MODE ANDROID IOS appears in th...

Page 28: ...parameters can be configured 1 CO ppm limit adjustable value for the CO sensor protection If the CO value in the flue gas is higher than the adjusted value in the an alyser the purge pump will be act...

Page 29: ...ess the menu key A selection list appears Select CO Limit The menu CO Limit appears Enter the desired CO Limit 5 9 Change measurement program name You have the possibility to change the name of the me...

Page 30: ...t the desired measurement program Press OK The menu fuel type selection appears Press F2 The menu Fuel type list appears W hlen Sie den Brennstoff aus der dem Men Brennstoffauswahl hinzu gef gt werden...

Page 31: ...Set the desired O2 reference Press OK The set O2 reference is saved 5 11 Define user fuel type You can define four fuels to your individual needs You can define the name and the fuel parameters Like...

Page 32: ...menu Fuel type list See also chapter Add fuels to fuel type selection Page 30 Select the user fuel type you want to define Press F3 The menu Define user fuel type appears Press F1 A window appears Ch...

Page 33: ...also chapter Add fuels to fuel type selection Page 30 5 12 Define measurement window Start a measuring program In this example Program 1 Sample gas Select one of three measurement windows Press the m...

Page 34: ...own arrow key to display two measured values without a curve The following example shows the configuration of the zoom window with four measured values The configuration of the zoom window with two me...

Page 35: ...s deactivated 6 4 Measuring with grid power supply Battery charging Whenever you connect the analyser with external battery charger 90 260 V 50 60Hz the battery will be charged Once the battery is ful...

Page 36: ...ng a lot of water Control the condensate separator before and after each measurement Check that the condensate separator is empty Check the star filter Star filter white ready for use Star filter dark...

Page 37: ...nt measurement During zeroing the 0 0 symbol flashes in the upper right corner of the display After zeroing is complete the analyser is ready for measurement If sensors are faulty the error is identif...

Page 38: ...sheets 7 1 Select measurement menu NOTE Wrong measuring results The extracted flue gas must be able to evacuate the analyser without obstruction The exhaust outlet at the rear of the analyser may neve...

Page 39: ...NOTE If necessary a message appears that a new zero point must be taken Confirm the message with OK The menu Biogas measurement appears The icon for zeroing appears in yellow red Exit the menu Biogas...

Page 40: ...om the fuel type list if neces sary See also chapter Add fuels to fuel type selection Page 30 Press OK The measuring window appears The measurement is started If necessary set the desired CO limit See...

Page 41: ...g External temperature sensors are not plugged in The measured value T gas is primarily derived from the connection T gas AUX depending on the equipment or if not available from the connection T1 CO p...

Page 42: ...t air check depends on the country selected If the Ambient air check is not displayed the ambient air check is not available in your country NOTE Analysers are not personal protective equipment and th...

Page 43: ...porary buffer to the measuring window in order to print them out or and to save them Store values into temporary buffer During a running measurement you can store the store the current values in the t...

Page 44: ...in the temporary memory are displayed If you have stopped a measurement without first storing the measured values in the temporary buffer you can store the measured values directly in the temporary b...

Page 45: ...sured values Press the menu key A selection list appears Select overwrite clipboard Press OK The temporary buffer is overwritten You can overwrite the temporary buffer with current measured values at...

Page 46: ...r gap test Press OK If necessary an automatic zero point measurement is is performed The menu Annular gap test appears Press F3 The currently measured values for Draft and T gap are displayed The MRU...

Page 47: ...ck Starting from this moment the purge pump can be switched off over the menu key again 7 9 Non continuous draft measurement The analyser provides for a non continuous draft measurement The draft meas...

Page 48: ...measurement names can be changed as desired The hose on the draft connector must be connected for draft measure ments The second hose on the Delta P connector must be connected for differ ential meas...

Page 49: ...Plug a temperature sensor into the T1 connection Plug a temperature sensor into the T2 connection Go to the Measurement menu Select Diff Temp measurement Press OK The menu Diff temp measurement appea...

Page 50: ...nction key F2 or F3 The function of the data storage is displayed in chapter 8 Data storage Page 57 Press F1 The measurement is stopped The measurement window is greyed out Press F2 The menu Select a...

Page 51: ...The menu Enter appears Enter the determined value for the T boiler and if available the deter mined values for soot number 1 soot number 2 soot number 3 and de rivative Press F1 to create a printout...

Page 52: ...ilable printers Speed printer IR desktop printer HSP 580 Highspeed Bluetooth Thermoprinter Open menu print out Open the menu Settings See also chapter 5 2 Customize settings Page 24 Press F1 The menu...

Page 53: ...rinter as Printer type Align the printer as follows Setting Description Printer type Selection of the printer type Print site lines Line 1 plant number is required The other lines free text lines can...

Page 54: ...4172 Neckarsulm 54 98 Press the printer key Optionally press the context menu key and select Printout Pr A print out is created Further technical specifications as well as battery and paper rolls chan...

Page 55: ...e connection between the analyser and the printer has been established the Bluetooth address BT address appears in the display An existing connection to a printer is indicated by a printer icon and a...

Page 56: ...le at the time of stopping are available in the analyser and can still be displayed By pressing the ESC key the analyser returns to Measurement menu 7 15 Last measured values The analyser offers the p...

Page 57: ...he computer only measurement data will be transferred identified by the site number that has been assigned to the measurement when the measure ment was saved Measurements are stored by assigning them...

Page 58: ...tes administration appears Press F1 The menu Modify site appears Press F1 to assign manually a site number to the site Press F2 to assign automatically a site number to the site The site is assigned a...

Page 59: ...ry scroll through the sites until you have found the desired site Change sites Go to the Storage menu Select Site administration Press OK The menu Sites administration appears Select the site that you...

Page 60: ...ly Delete sites individually Go to the Storage menu Select Sites administration Press OK The menu Sites administration appears Select the site you want to delete Press F3 A message appears Select cont...

Page 61: ...Each field value of a record is separated from the next by a charac ter The analyser uses a semi colon as value separator other implementations use sometimes a comma Implementations of CSV can often...

Page 62: ...of 24 characters will be imported too long words will be cut off Go to the Storage menu Select Sites from SD card The menu Sites from SD card appears Press F2 The sites are imported NOTE Before you c...

Page 63: ...dification needs to be updated in the computer software or if a second analyser needs to have the same site information The File format it s the same as described above Import sites Only the file name...

Page 64: ...nction is not suitable as a backup or for transferring the measurements to other measuring devices as the measurements cannot be imported again Go to the Storage menu Select Measurements to SD card Pr...

Page 65: ...ype In this example gas measurements are selected Press F2 Then you first get a page with context information about the saved measurements Select the desired measurement Press F2 The measured values o...

Page 66: ...ements Dr cken Sie OK Press OK The menu View measurements appears An overview of the number of stored measurements depending on the measurement type appears Select the desired measurement type Press F...

Page 67: ...menu Select Delete measurements Press OK The menu Delete measurements appears Select which measurement type you want to delete Press F2 A message appears Select continue to delete all sites Select ab...

Page 68: ...hat all your practical requirements are met as far as possible Then you will rarely have to make changes to the settings again After making changes to the settings you should switch off the analyser o...

Page 69: ...s NOTE With the default settings all individual settings are lost Go to the Extras menu Select Default settings Press OK A window appears Select No to not reset the default settings Select Yes to rese...

Page 70: ...vice values of the sensors and also other parameters In case of a defect contact the MRU service department The MRU ser vice technician will ask you about these values or he will ask you to send them...

Page 71: ...s pump generates a vacuum which is meas ured by the built in tension sensor and observed over a period of 10 sec onds Based on the size of the observed pressure drop the leak tightness of the system i...

Page 72: ...d or not Remove the proof test cap If the leak proof test is not passed you must check the probe including the tubing and the condensate separator If no leakage is detected on these external parts the...

Page 73: ...lect Send Mail QR Press OK The menu QR Code appears Scan the QR Code You can send the device information as E mail Options list Go to the Extras menu Select Device info The menu Device info appears Pr...

Page 74: ...elect Send Mail QR Press OK The menu Type of QR Code appears Scan the QR Code You can send the Options list as E mail Service history Go to the Extras menu Select Device info The menu Device info appe...

Page 75: ...ring device can only be operated correctly if the sensors are adjusted calibrated regularly Have the sensors adjusted calibrated 1 2 times a year depending on the frequency of use 10 3 Service message...

Page 76: ...TIMA BIOGAS MRU GmbH D 74172 Neckarsulm 76 98 11 Option Gas flow measurement This option enables the measurement of the flow velocity in flue pipes or flue gas stacks 11 1 Connect Prandtl Pitot tube t...

Page 77: ...appears NOTE If you have not connected a temperature sensor the fol lowing message appears ATTENTION The actual gas tem perature must be measured for correct readings If necessary connect a temperatu...

Page 78: ...parameter Select Gas composition OK to adjust the gas composition to your needs Press OK A list of the gas composition appears Select standard Select the desired gas type Set the desired values for O2...

Page 79: ...is inserted vertically into the canal The probe tip is held against the direction of flow The total pressure is determined at the tip of the Prantdl pipe The static pressure is determined at the press...

Page 80: ...Pa Press F2 as soon as the measurement for measuring point no 1 is fin ished The measured values for measuring point no 1 are taken over Measuring point no 2 appears in the menu If necessary carry out...

Page 81: ...event of an error the follow ing message appears in the display If the flow rate is too low this message is displayed every 8 seconds Folgende Fehler k nnen die Ursache sein Filter clogged Hose line...

Page 82: ...bject to certain limits if the automatic measuring sys tem is to store values in the data memory The analyser displays the required memory If the required memory is too high reduce the measurement dur...

Page 83: ...elapsed the measurement stops au tomatically Press F2 to store the measurement See also chapter 7 12 Store measurement values Page 50 For exporting measurements see also chapter Export measurements Pa...

Page 84: ...on with protection cap IP30 Max suction range gas pump 150 hPa gas flow typ 60 l h Measured values Electrochemical Sensor O2 Long Life Measuring Range 0 25 Vol Abs Accuracy 0 2 Vol Response Time T90 2...

Page 85: ...dditional position depending on configuration Nom Measuring Range 0 500 ppm Overload Range 2000 ppm Resolution 1 ppm Accuracy abs reading 5 ppm 5 0 2000 ppm 10 500 ppm Response Time T90 40s Electroche...

Page 86: ...e 0 1100 C Accuracy abs reading 2 C 0 5 Ambient temperature Tl using MRU sensor Measuring Range with ambient temperature probe 0 100 C Accuracy 1 C Accuracy abs reading Differential Pressure Measuring...

Page 87: ...lution 1 ppm 1 mg m3 Net calorific value Unit MJ Nm3 MJ kg Measuring Range 0 36 MJ Nm3 0 50 MJ kg Resolution 0 1 Gross calorific value Unit MJ Nm3 MJ kg Measuring Range 0 40 MJ Nm3 0 56 MJ kg Resoluti...

Page 88: ...of CO CO ppm related to On 0 rest O2 undiluted X ppm related to On fuel type dependent O2 reference value X mg m3 X mg kWh X mg MJ X mg m3 on fuel type depend ent O2 reference value X Continuously cal...

Page 89: ...ing on Battery discharged Connect the analyser to the line power in order to charge the battery Measurement without exact temperature values Temperature indication Thermoelement defective balancing ne...

Page 90: ...in side the device No filter effects Sensor failure Pump failure Fine filters are wet and or dirty Check filters more often Renew them if nec essary white OK Brown black renew Wrong measuring values...

Page 91: ...version Write down the Serial number Prepare SD card If you have not received the new firmware on an SD card but for example by e mail you must copy the file All 1122 fwb to the root directory not to...

Page 92: ...ect install firmware Press OK The update is performed After the update has been performed a message appears Confirm the message with OK Switch the analyser off again after the successful update All fu...

Page 93: ...rsion is still displayed In case of error What to do if there were problems during the update In the event of an error the red LED of the condensate separator flashes The inserted SD card was then not...

Page 94: ...analyser and having it displayed when you switch the analyser on Create your own logo Create your own logo The following is an example of how to create a logo using MS Paint You can also create your...

Page 95: ...to an SD card with the file name logo4u jpg NOTE Pay attention to the file format jpg when saving exporting If you use a graphics program other than MS Paint you must disable the following items befo...

Page 96: ...ve the possibility to delete your logo Note that there are two possibilities to delete your own logo 1 Possibility Switch on the analyser Press the ESC key for ten seconds before the start logo appear...

Page 97: ...USER MANUAL OPTIMA BIOGAS MRU GmbH D 74172 Neckarsulm 97 98 15 Declaration of conformity...

Page 98: ......

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