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MRU Instruments, Inc. 

USER MANUAL OPTIMA 7 BIOGAS 

 

 

 

32

12.4

 

CO-limit (only with optional flue gas neasurement) 

   

   

 

If the CO limit value is exceeded, the color of the measured CO values changes (red). 

12.5

 

Storaging measurement results 

If in the function key bar "store" is indicated, you can store with the accompanying function key F2 or F3 the measure-
ment in the data memory. The function of the data memory is explained in chapter 13. 

12.6

 

Printing the measurement results 

While in the measurement window pressing the printer key will send the information to the IR printer. 

The speed printer (IR desktop printer) Art. No. 62693 must be aligned in addition as follows: 

                         

 

All values that can be seen in the measurement window on all three pages will be printed, double measurement values 
will only be printed once. Further technical specifications as well as battery and paper rolls changes please see separate 
printer manual. 

Summary of Contents for OPTIMA 7 BIOGAS

Page 1: ...MRU Instruments Inc USER MANUAL OPTIMA7 BIOGAS 1...

Page 2: ...1 3 2 Specific safety regulations 11 3 3 Guideline for Li Ion Batteries 12 4 RETURNED GOODS 12 4 1 Return of hazardous waste 12 5 MEASUREMENT PRINCIPAL 13 5 1 Gas flow diagram 13 5 2 Electrochemical m...

Page 3: ...AS measurement 25 9 4 3 Configuration of the measurement window display content only Flue gas measurement 25 9 4 4 Configuration of the zoom function 26 10 MAINTENANCE 27 10 1 Maintenace and cleaning...

Page 4: ...Delete sites 38 13 4 Data transfer via SD Card Option 40 13 4 1 Import of Sites 40 13 4 2 Export of Sites 41 13 4 3 Export of Flue Gas Measurements 41 13 4 4 Export of Differential Pressure Measuremen...

Page 5: ...sing the USB Port 53 16 4 Bluetooth specifications 55 16 5 Analysis and calculations 55 16 6 Errors 56 16 6 1 Error diagnosis regarding the measuring device 56 16 6 2 Error diagnosis regarding the con...

Page 6: ...ssions MRU encourages customer feedback and welcomes any comments or suggestions relating to the product or documentation Please forward all comments or suggestions to the Customer Feedback Department...

Page 7: ...ls Beside of that CO2 is also odourless It is not allowed using the portable biogas analyzer in confined space or rooms without sufficient venti lation Sample gas exiting the analyzer will flow in the...

Page 8: ...us er settable value It can also be used when optionals are activated or external equipment is used for a number of measurement tasks such as Flow velocity measurement Differential measurement of pres...

Page 9: ...ny founded in 1984 a medium sized company that specializes in developing producing and marketing high quality emission monitoring analyzers MRU GmbH produces a wide range of instru ments from standard...

Page 10: ...reduce the life of or destroy the sensors The life span of the sensors depends on how they are used maintained and treated Typical average life expectations are O2 4 5 years CO 2 3 years and NO 3 year...

Page 11: ...Use only the battery charger supplied with the analyzer for this instrument 2 No part of the analyzer including the metal probe tube and all other metal parts accessories are to be used as electric co...

Page 12: ...ectrical conductive in the same custody Not letting terminal come in contact with terminal or metal The above items may cause heat fire and explosion Your quality management MRU GmbH 4 RETURNED GOODS...

Page 13: ...th built in filter and analyzes the extracted gas with electrochemical sensors Draft and temperature are measured at the tip of the sampling probe 5 1 Gas flow diagram Position Description 1 Sampling...

Page 14: ...nstant current signal mA range that is monitored and analyzed The current intensity is depend ant upon the volume concentration of the sample gas while other parameters like temperature and cross sens...

Page 15: ...ER DESCRIPTION 6 1 Analyzer front 6 2 Analyzer Connectors top 1 Display 2 Condensate separator 3 Key pad 1 Cover 2 IR interface 3 SD card reader only by using a MRU SD CARD we can assure the compatibi...

Page 16: ...uring the measurement then true T air measurement will occur and the display color changes from green to black 6 4 Analyzer Back 1 Fixing magnets 2 Gas outlet 3 Handle strip 4 Analyzer feet Important...

Page 17: ...roove of the OPTIMA 7 housing then pull it downwards 2 The condensate show glass is screwed into the plug The complete condensate separator can easi ly be taken apart for cleaning or for exchanging th...

Page 18: ...le probe tubes A complete list of available probes can be found in the current price list of this analyzer Probe With 300 mm 11 84 exchangeable probe tube and 2 7 m 9 sampling line 1 Probe tube 2 Prob...

Page 19: ...the display 2 function key bar Menu Key Will show all available functions in the window that is currently in use also those which have an individual key on the key pad like the printer and the three...

Page 20: ...activated in EXTRAS settings Extras Menu all the other available tasks for management and customizing your analyzer or Please read chapter 12 for details Please read chapter 13 for details The sites...

Page 21: ...nged using the arrow keys left and right LCD brightness LED condensate separator Language Helping hints Keyboard beep on off setting OK LCD brightness 5 100 Display brightness depending on temperature...

Page 22: ...amic change of unit depending on the absolute value of pressure Explanation for Helping hints Some helpful hints which are very useful for an inexperienced user but are not needed by experienced users...

Page 23: ...2 3 Bluetooth settings F3 If RemoteData OnlineView or MRUConnect PDA with Bluetooth is used the SLAVE move mode must be selected The auto connect mode must be switched OFF 9 3 Setting time and date OK...

Page 24: ...ment value win dows Zoom window select what will be displayed in the zoom window The following seetings are made in the MAIN Measurement Menu 9 4 1 Setting the CO ppm limit values only flue gas measur...

Page 25: ...press the key Menu key Now you select define measuring window and press the OK key The top value will now be marked black this black bar can be moved up and down Move it to the postion that you would...

Page 26: ...S 26 9 4 4 Configuration of the zoom function For each measurement program you have 3 zoom windows with two selectable values for each window Menu key Change Zoom window 1 3 Change measuring values F1...

Page 27: ...the analyzer is switched off 11 2 Auto OFF The instrument is automatically switched off after 60 minutes During a measurement or a battery charging cycle the auto off is deactivated 11 3 Measurement...

Page 28: ...rate to the ambient temperature before being switched on If it does not equilibrate condensation will occur inside the analyzer If the temperature is out of its operation range see chap 15 you will se...

Page 29: ...linking symbol in the task bar indicating the progress of zeroing Once the zeroing cycle is finished the analyzer is ready for measurement If any defective sensors will be detected during the zeroing...

Page 30: ...If you press the F1 key Start in the measurement menu you will be directed directly into the measurement screen using the parameters that have been selected last time the analyzer was used change mea...

Page 31: ...in ppm or CO in mg kWh Values that cannot be displayed are indicated with dashes Possible reasons for value not being displayed are Electro chemical sensor was detected as defective during zeroing Ex...

Page 32: ...data memory The function of the data memory is explained in chapter 13 12 6 Printing the measurement results While in the measurement window pressing the printer key will send the information to the I...

Page 33: ...key 12 8 Pressure measurement option Pressure 4 values is measured and saved to the selected measurement name The actual measured value is displayed in the middle of the display The 4 measurement name...

Page 34: ...eratures will be displayed OK Note The accuracy of the difference temperature measurement is guaranteed only when using original MRU temperature sensors 12 10 Last measurement results The analyzer all...

Page 35: ...be imported from a PC program Attention sites created in the device and site data changed in the device will not be updated towards the PC The device does only transmit to the PC the measurement valu...

Page 36: ...be selected for every stored site will be displayed with the distinct site number in the first line highlited in blue the other 8 free text lines With the arrow keys on the left on the right you scro...

Page 37: ...site is found as a result of the search this is displayed If became several sites the total number is found in the header viewed and you can scroll by this found standing with the arrow keys Page thro...

Page 38: ...the function F2 auto no you can assign the next available site number All further free text lines which can contain e g name and address OK F1 F1 New and existing sites can be modified selecting the...

Page 39: ...MRU Instruments Inc USER MANUAL OPTIMA 7 BIOGAS 39 OK This user s decision must be confirmed see chap 16 2...

Page 40: ...mport of Sites Export of Sites Export of Flue Gas Measurements Export of Differential Pressure Measurements 13 4 1 Import of Sites OK With this function you can Import Sites which have been created on...

Page 41: ...you have modified the phone number of a customer and this modification needs to be updated in the computer software or if a second analyzer needs to have the same site information The File format is t...

Page 42: ...Measurements in the data memory 13 5 1 View measurements In the menu item View measurements you can view the stored measurements After selection of this item you receive first an overview of the numbe...

Page 43: ...F1 this site while a measurement of the desired site is displayed With F1 all sites you cancel this filter again or while you select with the menu key the function search a site and execute as descri...

Page 44: ...s please read your software documentations or ask your software dealer 14 EXTRAS ADJUSTMENTS The OPTIMA 7 BIOGAS is delivered in a standard software configuration which should cover most needs However...

Page 45: ...exited into the Extra Menu again Please contact MRU GmbH if you need the Pin Code for your analyzer Press the Enter key if you should have landed in this menu by accident and you will be exited into...

Page 46: ...get detailed information about possible defects In this menu you will see all service values of the sensors and also other parameters In case of a defect contact the MRU service department The MRU se...

Page 47: ...cap 61382 for probe tubes 8 mm must be put on on the probe spike ATTENTION The probe tupe end must be clean With dirt or soot on the tube the cap does not seal Launch under extras the leak proof test...

Page 48: ...o Here you will find information about the analyzer and the installed options Press the F2 key to see the installed options With the F1 key you get information about the date of the last 7 service pro...

Page 49: ...mp Measurement range 0 4 000 ppm overload up to 10 000 ppm Accuracy 10 ppm or 5 of the measured value up to 4 000 ppm or 10 of the measured value up to 10 000 ppm Reaction time T90 40 s CO low Measure...

Page 50: ...ange 200 hPa Accuracy 0 02 hPa or 1 of the measured value Differential pressure Measurement range 100 hPa Accuracy 0 02 hPa or 1 of the measured value Max suction range gas pump 150 hPa Typical gas fl...

Page 51: ...51 External wall plug grid power supply 100 240 Vac 5 0 Vdc 1200 mA 50 60 Hz Weight ca 750 g Size 244 x 113 x 54 mm typical sensor value which ever is larger only for SHORT TERM measurement Technical...

Page 52: ...ing the user for a decision pop up window The OPTIMA 7 BIOGAS will ask you now and then to confirm the action that will be taken Select a letter number or sign F1 delete The letter left of the cursor...

Page 53: ...to the OPTIMA 7 BIOGAS 3 Connect the USB cable into a free USB port at your PC Laptop 4 The PC Laptop must be powered on 5 The above seen information New hardware found will be displayed above the USB...

Page 54: ...conform unit In the General folder you can see if the unit is ready for opera tion In case the analyzer id not ready for operation choose a different USB instrument to check the USB port on your comp...

Page 55: ...den SE Slovakia SK Slovenia SI Spain ES Czech Republic CZ Hungary HU United Kingdom GB and Republic of Cyprus CY Other EFTA Countries Iceland Liechtenstein Norway and Switzerland Non european countrie...

Page 56: ...arge the battery Measurement without exact temperature values Temperature indication C Thermo element defective balancing network interrupted or not connected Call our after sales service Remove probe...

Page 57: ...ruments Inc USER MANUAL OPTIMA 7 BIOGAS 57 Wrong measuring values Cover intermediary unit plexiglass tube and locking pieces are not tightly fixed respectively screwed Check tightness with every filte...

Page 58: ...MRU Instruments Inc USER MANUAL OPTIMA 7 BIOGAS 58 16 7 Declaration of conformity...

Page 59: ...MRU Instruments Inc USER MANUAL OPTIMA 7 BIOGAS 59...

Page 60: ...MRU Instruments Inc USER MANUAL OPTIMA 7 BIOGAS 60 Technical data change w o notice Date of issue 20140731...

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