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Page 14 

ecom-CN 

Unit

 (Adjustment via 

<F1>

 - 

<F3>

): 

- Calculation of gas concentrations in: 
 
 

- ppm  =   volume concentration (parts per million) 

 

- mg/m

3

 =   mass concentration per volume unit 

 

- mg/kWh =  mass concentration per performance unit 

 
Undiluted (Adjustment via 

<F4>

): 

- Conversion of gas concentration on  
entered reference oxygen: 
   - Formula for conversion: 
 
 
 
 
 
 

O

2

 reference 

(press 

<OK> 

to access input mode): 

- Input of reference O

2ref

 

 

Air pressure

 (press von 

<OK> 

to access input mode): 

- Input of barometrical air pressure for the dew point calculation  
 

Set clock

 (press 

<OK> 

to access input mode): 

- Correction of internal clock 
 

Type of fuel

 (press 

<OK> 

to access selection mode): 

- Modification of adjusted fuel type  
 

Internal

 (press 

<OK> 

to open menu): 

- Further instrument adjustments: 
 

Keyboard beep

 (

<F1>

 for Yes / 

<F4>

 for No): 

- Acoustical signal by pressure on key 
 

Baud rate

 (adjustment via 

cursor keys

): 

- Adjustment of transfer speed by data transfer via RS 232 
(1200 -19200 Baud) 
 

Online data

 (adjustment via 

cursor keys

): 

- Adjustment if online data should be sent via RS232 or IR 

Keyboard beep 
Baud rate 
Online data 
ECOM-P 
Eta(C)

 

CO 

   

9999

ppm

 

 

undiluted 

 

ppm 

 

mg/m3 

 

mg/kwh 

 

E

ref

 = E

meas

 *

 

21 – O

2ref

 

21 – O

2meas

 

Summary of Contents for CN

Page 1: ...Operating Instructions ...

Page 2: ...reparation 8 4 2 Gas analysis 8 4 3 CO measurement safety check 10 4 4 Draught Pressure measurement 11 4 5 Soot Oil trace 12 4 6 Record and print measurement 12 5 Adjustments 13 6 Control 15 7 Data processing 7 1 Menu data processing 16 7 2 Data processing via IRDA 17 7 3 Data processing via Bluetooth option 18 8 Maintenance tips 20 9 Technical data 24 10 FAQ 25 ...

Page 3: ...n to calibrate the sensors at fresh air 2 min for stable measured values The following substances impair the working of the instrument Cleaning agents Degreasers Wax polishes Adhesives Formaldehyde Adjustments at burners and boilers should be made only by specialists who are familiar with those installations 1 Charge the accumulator regularly Charge not used instrument min once a month 2 Never sto...

Page 4: ...s connection Draft connection Charging socket In the input mode the keys are used for numerical input Cursor monitoring up down scroll Record values Print key to print menu Instrument ON OFF Contraste adjustment Pressure connection option Infrared sending di ode for IR printer OK key choice confir mation Display lighting ON OFF Function keys function shown on display ...

Page 5: ...e sub menu Comb measurem using the arrow keys and confirm with OK The instrument starts a 1 minute calibration phase and the fuel types selection is displayed The following fuel types are selectable Fuel types according to 1 st BImSchV Fuel oil B Natural gas B City gas B Coke oven gas B Liquid gas B Use the arrow keys to select the correct fuel type and confirm with OK The instrument will then enq...

Page 6: ...ing F3 will allocate the next free considered from memory number 0 memory number Press F4 to input a plant identification Hint As the input is only numerical max 16 digits it is recommend ed to make a date related input in order to later on easily find the data record using the search function search for date Once the input is finished activate the memory number with OK and access the gas analysis...

Page 7: ...o activate and view the previous measurement performed at this plant select Look at and confirm with OK All measured and calculated values are accessible on screens scrollable one after the other with the cursor keys Press twice ESC and then Comb measurem OK to start with the next measurement Search word Input 25 11 F1 First F3 Empty F2 Last F4 Edit 0000001 25 11 99 Memory number 8 M O2 3 2 CO2 13...

Page 8: ...phase is over the instrument enters the measurement mode The values are viewable on 4 screen pages 3 x gas analysis 1 x CO measurement use the cursor keys to scroll the pages 1 Always position the probe in the exhaust pipe once the calibration phase is over 2 Never operate the instrument in the transport case recommended for transport To obtain accurate measurement values re calibrate the instrume...

Page 9: ...e cannot be determined by the instrument If the gas temperature falls below the dew point between 25 and 65 C Eta will be calculated with condensation In the display C ap pears behind Eta Correct measurement values are displayed after a short delay of ca 60 to 90 seconds which are necessary for the gas transport and the built up of a stable electrochemical reaction of the sensors For re cording pr...

Page 10: ...rement The CO content in the exhaust pipe is measured after the flow fuse and converted on an undiluted value residual oxygen value in exhaust gas 0 As the gas behaviour after the flow fuse is no more homogeneous because of the flow in of secondary air and the core stream meas urement could consequently be erratic the gas analysis is performed over the total diameter of the pipe A multi hole probe...

Page 11: ...o drift For an exact measurement it is consequently recommended to re calibrate this sensor just before analysing the value Select the sub menu Draft Pressure to start the measure ment The display shows the current value as well as the mention to reset the sensor s zero point Hereto release the draught hose for a few seconds and press OK The sensor is re calibrated Re plug the draft hose The displ...

Page 12: ...essary inputs have been made press ESC to quit the menu The measurement is complete 5 6 Record and print measurement Press Print printer symbol to access the printing menu If need be the recorded values can be checked again Look at OK and scroll with the cursor keys If all data are correct press Record M and OK to transfer in the internal memory A successful transfer is character ized by a M on th...

Page 13: ...ween both units should not exceed ca 40 cm otherwise a troublefree transfer is no more ascer tained in any case Press ESC after printout termination to return to the Main menu 5 Adjustments Additionally to the functions described above the ecom CN allows several ad justments From the main menu select the sub menu Adjustment and confirm with OK A selection of adjustable parame ters is displayed whi...

Page 14: ...ical air pressure for the dew point calculation Set clock press OK to access input mode Correction of internal clock Type of fuel press OK to access selection mode Modification of adjusted fuel type Internal press OK to open menu Further instrument adjustments Keyboard beep F1 for Yes F4 for No Acoustical signal by pressure on key Baud rate adjustment via cursor keys Adjustment of transfer speed b...

Page 15: ...correlated measurement errors increase an error message is dis played In this case the corresponding sensor must be changed by an authorised service centre The control menu informs about the current status values for the sensors and on 2 further pages scroll display page via cursor key about the battery voltage charging state the phone number of the next service centre the serial number the softwa...

Page 16: ...strument see chapter 6 Proceed as follows 1 Connect instrument and PC with a current RS232 cable 2 Select Load data and confirm with OK 3 Answer following question with Yes F1 4 Decide if the date recorded in the instrument can be deleted F1 for Yes F4 for No 5 Start the data transfer at the PC Transmit data The date record completed with values can be transferred to the PC programme using this fu...

Page 17: ...offers a programme called CNIrDA which can be start ed as process e g from a management programme for chimney sweepers By calling up this programme performs the communica tion between PDA and instrument and provides with an ANSI text file named ECOM TXT as a result This file covers the measurement results transferred from the instrument to the PDA To transfer data blocks from the ecom CN to the PD...

Page 18: ...d the programme is finished The transfer between PDA and instrument is secured via a check sum In case of transfer problems the error message Transfer error is displayed 7 3 Data processing via Bluetooth option The following possibilities of data processing via Bluetooth are avail able 1 Using the measurement data management programme MiniDV gratis software from ecom GmbH Hereto the following adju...

Page 19: ...ogramme needs the Microsoft Compact Net Frame work version 2 0 or higher The programme assumes an ecom CN with firmware version 1 9 or higher as well as the Bluetooth option If a corresponding firmware update is needed contact your authorised ecom service centre The following adjustments must be made at the ecom CN in order to transfer data records to the PDA Adjustments Internal Baud rate Bluetoo...

Page 20: ...es are displayed in a table on the PDA If the button Accept is pressed the data get written in the file ECOM TXT and the pro gramme gets closed The transfer between PDA and instrument is secured by a check sum By transfer errors the error message Transfer error is displayed 8 Maintenance tips To secure the accuracy of your measuring instrument we recom mend the annual check by an authorized ecom p...

Page 21: ...n the soiling degree corresponds to number 3 of said comparison scale Change condensate pad condensate trap profi version The condensate pad absorbs the humidity out of the sampled gas It stretches with increasing humidity volume and activates a contact which switches off the pump error message on display Empty wa ter trap once the humidity content is exceeding Screw off the condensate trap Releas...

Page 22: ...ponds to number 3 of said comparison scale Empty condensate trap condensate trap basis version The condensate collects the humidity of the sampled gas Check regularly how much liquid has been gathered Empty the trap in time and avoid humidity to enter the instrument Release the lower cap to empty the trap Pour out the condensate Reassemble the trap Make sure that condensate never enters the instru...

Page 23: ...must be changed by an authorised service centre The CO sensor is protected against overload by the internal pro gramme If the limit value of 4000 ppm is exceeded a second pump switches on and flows the sensor with fresh air The sensor with can be switched again into the measuring mode by pressing the F2 key Power supply The battery should be recharged once the instrument instructs to do so acousti...

Page 24: ...alculation Losses 0 99 9 Calculation Excess air 1 Calculation CO undiluted ref O2 adjustable Calculation Dew point Calculation Power supply Mains power unit 230 V 50 Hz Battery 5 x 1 2 V 2 Ah Indication Graphics display backlit Dimensions WxHxD 115 mm x 250 mm x 77 mm Weight ca 1 5 kg complete with sampling system Subject to technical changes V2 9 02 2014 ecom GmbH Am Großen Teich 2 D 58640 Iserlo...

Page 25: ... the toxic sensors CO NO SO2 NO2 is affected by high gas concentrations and a not sufficient purging The life span for these sensors amounts to on the average between 4 and 6 years The life span of the O2 sen sor is independent of the operating hours and amounts to approx 2 years Please contact the next authorised service centre for changing sensors The sensor must be renewed This message appears ...

Page 26: ...lease check the mains cable Please check the fuse Please check mains connection Plug socket switched on Please load the accumulator min 8 hours Accumulator could be over discharged Please check whether the printer paper is correctly inserted The thermal printer writes only on the ther mally sensitive side Please use always the correct paper for the printer you will prevent defects at the printer P...

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