RBR ecom-JN, Operating Instructions Manual

Page 1: ...Operating Instructions Creative technology made by rbr...

Page 2: ...lysis 7 3 2 Draft measurement 10 3 3 Soot measurement 11 3 4 CO measurement flue gas check 12 3 5 Storing and printing results 13 3 6 NOx measurement NOx standard 15 4 Data processing 4 1 Data base RA...

Page 3: ...with the ecom J and J Plus series and combines the highest possible safety requirements with user friendly operation and technology using the best most modern circuitry in a future oriented design The...

Page 4: ...500 C Triple chamber tubing 3 m long Heated soot measurement point Positioning cone Multi hole probe option CO measurement of gas burners 3 meter tubing Heated sampling system option Heated tubing 100...

Page 5: ...oard Matrix printer instead of thermal printer Peltier cooler instead of condensation trap Probe holder movable Undercase Extended sensor on request Keyboard functions Contrast control Display light C...

Page 6: ...ut soot measurement Item nr 30002193 3 5 m 30002213 5 m Filtering case solid combustibles Item nr 55810 T room stick Item nr 51446 Filtering plate solid combustibles Item nr 10137 Adapter cable USB RS...

Page 7: ...ainer for condensate should be placed near the condensation pump outlet which is on the lower right hand side of the instrument case Switch on the instrument Depending on the instrument version either...

Page 8: ...r depending on the sensors included in the instrument Instruments with the NOx module have a separate display for NO NO2 and NOx The ZOOM key can double the display size i e after pressing once the di...

Page 9: ...pted until the values are stabilised If the values still vary by more than 2 ppm this could be due to an unstable draft behaviour in the flue gas which gives rise to a variable gas stream centre This...

Page 10: ...re a good accuracy A differential pressure measurement is started by pressing DRAFT The current value is displayed as well as a reminder to reset zero point Remove the draft tubing and press the MODE...

Page 11: ...holder in the probe and press E to start the measurement The volume drawn is displayed and once 1 63 litres has been reached the greyness value must be entered To do this remove the filter paper from...

Page 12: ...O content of the flue gas is measured after the flow restriction and the undiluted value 0 oxygen remaining in the flue gas is calculated The flow of flue gas after the flow restriction is no longer h...

Page 13: ...ess form the data base only appears if the relevant options have been selected or installed text 2 lines each 20 characters long comments notes information date and time of report result from flue che...

Page 14: ...hout this keyboard only numeric data can be entered using the internal keyboard Whilst the report is being collated and printed all other functions are inoperative Note The memory contents can be dele...

Page 15: ...ve and will be washed out by condensation to form nitric acid HNO3 For this reason the gas path from the measurement point to the instrument must be kept condensation free to avoid washing out of NO2...

Page 16: ...fuel type The conversion factors for the individual gases are in the appendices Please note the following when measuring nitrogen oxides 1 Use the heated sampling system Measurement carried out using...

Page 17: ...tage The data is stored in a standard format compatible with PC data formats and existing software e g regional administration programmes data bases 2 Processing of long term measurement data with aut...

Page 18: ...ed the RAM card is formatted Once the formatting is finished the main menu reappears Note The standard setting for RAM cards is 512 kB if RAM cards of different capacity are used this must be set unde...

Page 19: ...this menu Cancel files does not need much explaining After the warning has been answered with YES all files on the card are deleted Warning Due to the read write mechanism used with RAM cards acciden...

Page 20: ...d under Set menu SET function times and data logger YES Send data bank Connect the JN and the PC via their RS 232 ports and start the programme and follow the instructions Chose the function Send data...

Page 21: ...reement with the search string Once the search is completed the data is displayed and can be confirmed or re selected View Print can be used to view the entire contents of the memory and print them ou...

Page 22: ...characters Set performance kW max 6 characters This data is either on the card if it has been prepared previously or it can be entered directly into the ecom JN using the keyboard if the chip card is...

Page 23: ...lready available Up to now the data processing and handling using the ecom JN has been done without paper using the most modern techniques It is therefore only natural that any additional information...

Page 24: ...ting gas concentration in ppm volume concentration parts per million mg m 3 mass concentration per volume mg kWh mass concentration over output Undiluted Calculation of gas concentration using referen...

Page 25: ...port Data logger switch the data output and storing on or off 6 Servicing To ensure interruption free use of the ecom JN please take note of the following information for servicing and maintaining pa...

Page 26: ...or being exposed to concentrations above their standard rang toxic gas sensors The initial values for sensors in check mode are Oxygen sensor approx 18 000 mV Toxic gas sensor 0 mV 150 These values ar...

Page 27: ...voltage is only displayed when the instrument is not using the mains supply 7 Technikal data General data Power supply mains 220 240 V 50 Hz battery 12 V 3 4 Ah lead gel Battery operation 1 hour with...

Page 28: ...Draft 0 20 hPa DMS bridge T Gas 0 500 C Thermocouple NiCr Ni T Air 0 99 C Semi conductor Calculated values Parameter Range Formula CO2 0 CO2max Losses 0 99 9 Efficiency 0 99 9 Excess air 1 Fuel types...

Page 29: ...SO2 2 86 0 35 Oil EL 1 105 1 816 2 587 Oil S 1 12 1 847 2 63 Dew point calculation The dew point calculation uses the approximation given in DIN 4705 part 1 Moisture content of the gas in fw is a fue...

Page 30: ...removing the warmth from the gas flowing through the spiral and transfers it to the cooler This heat is then removed by the ventilator The condensation formed by the gas cooling is collected in a cont...

Page 31: ...inner 6 mm outer 8 mm 2 Outer tube draft inner 9 mm outer 10 mm 3 Draft connection 4 Gas connection 5 Connection for T gas 6 Temperature sensor for T gas NiCr Ni 7 Slot for soot filter with pressure p...

Page 32: ...age 32 Subject to technical changes V1 7 10 2007 rbr Messtechnik GmbH Am Gro en Teich 2 D 58640 Iserlohn S mmern Telefon 49 0 23 71 9 45 5 Telefax 49 0 23 71 4 03 05 Internet http www rbr de eMail inf...