Ecom EN2 Operating Instructions Manual

Operating Instructions

Creative technology made by rbr

Page 2 ecom-EN2

Index Page

Important Hints 3

1. Instrument Design 4

2. Accessories ecom-EN2 5

3. Gas Cooler (option) / Model version ecom-EN2-P 6

4. Power Supply 7

5. Data Memory 7

6. Instrument Start 8

7. Input or Selection of combustion plants 10

8. Flue Gas Analysis

8.1. Gas analysis 13

8.2. CO measurement (gas path check) 16

8.3. O2 check 17

8.4. Draught measurement 17

8.5. Flow measurement (option) 18

8.6. Soot dot...Oil trace 19

8.7. Measurement record and printout 20

9. Mean Value Measurement (option) 21

10. Adjustements 23

11. Control 27

12. Data Processing 28

13. Diagnostics

13.1. Fault diagnostic 30

13.2. delta-T measurement 32

13.3. Heating check (option) 32

13.4. 4 Pa measurement (option) 36

14. Maintenance Tips 37

15. Technical Data 40

ecom-EN2 Page 3

Important Hints

The ecom-EN2 should not be used for

continuous emission control!

The ecom-EN2 meets the requirements

of the DIN EN 50379 Part 2.

Observe the following minimum times in order
to get correct measurement values:

- 1 min. for sensors calibration at fresh air

- 2 min. for stable measurement values

Adjustments at burners and boilers

should be made only by specialists

who are familiar with these installations.

The following substances impair the
instrument´s operation:

- Solvent-containing vapours as:

- cleaning agents

- degreasers

- wax polishes

- adhesives
do contain

- Formaldehyde

1. Charge the internal accumulator regularly.
(an unused analyser should be charged at least 1 x per month)!

2. Never store the unit with a discharged accu!

Page 4 ecom-EN2

Connection

sampled

gas

Condensation trap

with fine dust filter

Optical flow

control

Integral

printer

Connection

charger

1. Instrument Design

Connection

USB

Connection gas

temperature

Connection air

temperature

Connection

draught

Connection

pressure

Accu and

sensors

compartment

Slot for multi-

media card

Graphic

display

Connection

AUX

Connections for

Pa pressure sensor

ecom-EN2 Page 5

Function keys

(function shown on

display)

Print key

(access to

printing menu)

Enter key

(confirm

selection)

ESC key

(quit/

escape menu)

Cursor keys

(Up/Down/Right/

Left/Scroll)

Keyboard

Values

recording

ON / OFF

key

Info key

(access to

control

menu)

In the input mode, the keys are

used for numerical inputs

2. Accessories ecom-EN2

T-Room stick

Item no.:
51446

Multi-media card
128 MB

Item no.:
53656

Filtering case for
solid fuel types
measurements

Item no.:
55810

Filtering plate for
solid fuel types
measurements

Item no.:
50000024

Page 6 ecom-EN2

Gas inlet

Gas

outlet

Fan

Peltier

element

Level

monitoring

Condensate

evacuation

3. Gas Cooler (option) / Model version ecom-EN2-P

Exhaust gas with a temperature over the steam dew point (35 - 65 °C) is
flown spiral via a long gas path thru a surface coated metal body with
good thermal conductivity. The gas radiates its heat to this metal body.
A Peltier element (semi-conductor cooling element) flown by a continuous
current is thermically connected with this body and with a second metal
body with cooling ribs and ventilation slots.
The flow thru the Peltier element creates a heat transfer from WARM to
COLD, drains the heat of the metal body flown by gas and conveys it to
the outer cooling body. This heat is conveyed thru a vertical forced
ventilation to the surrounding air.
The condensation issued by the heat loss of the gas drops in a receptacle
and is pumped out on request by a pediodically working hose pump.

By accumulator operation, the Peltier cooler can be switched off.
In the measurement menu press hereto <Enter>, select the menu point
„Peltier I/0“ and press again <Enter> (for Peltier cooler switch on, just
repeat this procedure).

The power needs of the gas cooler being high,

the cooling performance shall be reduced

by accumulator operation!

ecom-EN2 Page 7

4. Power Supply

The ecom-EN2 comes with an external charger. The analyser can
also be powered via the internal accumulator for a while (6 V; 3.8 Ah).
The accumulator recharge should be started when the instrument
requires to (acoustical warning and display indication). The
accumulator charging stand can be checked looking at the voltage
indication on the display (menu "Control" - Info key). The accu warning
is activated when the value „Accu“ is smaller than 5.7 V.
By 5.4 V the power operation via accu is no more possible; the instrument
must be further powered via the external charger.

5. Data Memory

The multi-media card enables the storage of punctual measurements;
the gathered values are written in a text file (J2KDV.txt). Data format
information is to be found in the appendix. The files can be transferred
to a PC via a card reader.
The following conditions must be fulfilled for using a multi-media card:

- minimal card volume 32 MB - max. 2 GB

- card formatted on 16 bit FAT

- SD or MM card from rbr

- PC with card reader from rbr

- or from the manufacturers Belkin and SanDisk

Used accumulators can either be returned

to us or brought to recycling stations of

public waste disposal companies

respectively to stores selling accumulators!

Page 8 ecom-EN2

Card insert

Insert the multi-media card as shown.
Take care that the card does not stand
out and that it well hooks on.

6. Instrument Start

Once the instrument is switched on (key
<I/0>), the main menu is displayed.
6 sub-menus with the following functions
(non-visible sub-menus can be called up
while scrolling with the cursor keys) are
displayed:

Never pull out cards during

data record - data loss and

damaging of the data

carrier possible!

Always position the probe in the exhaust pipe

once the calibration phase is over!

Always use a filtering system as per our

recommendation for combustion plants

firing solid combustibles!

Gas analysis
Soot..Oil trace
Data processing
Adjustments
Control
Diagnostics

ecom-EN2 Page 9

- Gas analysis : Perform gas analysis

- Soot...Oil trace : Input of soot measurement results

- Data processing : Assign measurements / Data transfer
(only by inserted MM card)

- Adjustments : Modify instrument adjustements

- Control : Check operation state of instrument

- Diagnostics : Read-out of firing automate
(only in connection with ecom-AK) /
delta-T measurement / Heating check /
4 Pa test

To perform measurements, select with the cursor keys the sub-menu
"Gas analysis" and confirm with <Enter>. The instruments starts then
a 1- minute calibration phase and the fuel types selection list is displayed.
The following fuel types are available:

Fuely types acc. to 1st BImSchV

Fuel oil (B)
Natural gas (B)
City gas (B)
Coke oven gas (B)
Liquid gas (B)

Use the cursor keys to select the desired
fuel type and confirm with <Enter>. The
instrument will then enquire if you wish to
use the data bank. If you want to assign
the sampled data to a specific plant, so
press <F1> (<F4> = no: measurement will
be performed without assignment).

CO2max A1 B

15.4 0.50 0.007

Select: (

↑↓ ↑↓

↑↓ ↑↓

↑↓

↵↵

↵↵

↵) !

Fuel type

Fuel oil (B)

Do you wish to
use the data
processing?

Select : <

↵↵

↵↵

↵> !

NO

YES

Page 10 ecom-EN2

7. Input or selection of combustion plants

To call up plant data already recorded or to create a new file, the following
possibilities are available:

Create new (is automatically selected
by first use of a MM card): To create a

new file, a numerical number should be
assigned.
Select „Create new“ and confirm with
<Enter>. Input a random number (max.
16 figures) using the keyboard:

- use the cursor keys <Up/Down/Right/Left> to select

the figure (selected figure outlined by a black background)

- press <Enter> to accept the figure (press <F2> to delete

the last figure if needed)

- repeat this procedure until the desired number is complete.

Example: "25.11.2008"

Tip: We suggest a date-related input to easily find the data

record later on via the search function.

After confirming with <F1> it is possible to enter a text via the keyboard
(max. 6 lines with 20 characters each) which is printed out and can be
used for data processing purposes. Proceed as follows:

- select text line 1 using the cursor keys <Up/Down> and

confirm with <Enter>

- select with <F3> the keyboard mode (4 keyboard modes

are available)

- select with the cursor keys <Up/Down/Right/Left> the desired

character (selected character outlined by a black background)

- press <Enter> to accept the character (press <F2> to delete the

last character)

- repeat this procedure until the desired text is complete.

Search word
Record number
Create new

Quit with: ESC

Selection upon:

ecom-EN2 Page 11

- proceed as follows to correct a character:

- press <F4> to interrupt the character selection

- use the cursor keys <Right/Left> to select the
character requiring correction

- activate with <F4> the character selection and correct character

- return with <F1> to character selection and call up next line for process

The input is closed with <ESC> and the next available data record is
activated. Press <ESC> to return to the gas analysis menu.

Record number: For check of the plant
already stored in the instrument, the
selection upon record number is most
appropriate.

Select „Record number“ and confirm
with <Enter>. Input a random data record
number:

Example: "3" for data record number 3

- Press <Enter> once the input is completed to call up said data record

number. The cursor keys <Up/Down> enable the check of the record
numbers.

- Press <F1> to select the first record number and <F2> for the last.

- Press <F4> to delete the content of the selected record number.

- Press <Enter> to activate the record number.

- Finally press <ESC> to start the gas analysis.

Search word
Record number
Create new

Quit with:

Selection upon:

3

Please use the
numerical keys!

Input number

Page 12 ecom-EN2

Search word: If the plant code is known, it is possible to find the plant
data stored with help of a search machine.
Select hereto "Search word" and confirm with <Enter>. Using the
software keyboard, input at least 3 connected figures of the plant:

Example: "25.11" for plant code 25.11.2008

After input completion, press <F1> to start
the search. All files matching this code will
be filtered. The resulting selection can be
scrolled using the cursor keys (F1 for
selection start, F2 for selection end). Once
found, activate the desired data record
with <Enter>. The last measurement on
this plant can be viewed pressing <Enter>
/ „View memory“ / <Enter>. All
measured and calculated values can be
called up on 5 display pages, using the
cursor keys to step thru.

Press <ESC> to escape the preceeding measurement data and the
recording of the current data can start.

Measurement available

Record number 1

25.11.2008

Record number 1

25.11.2008

12:15:53 25.11.08

O2 3.2 %
CO2 13.1 %
CO 0 ppm
Efficiency 92.5 %
Losses 7.5 %
Excess air 1.18
T.Gas 184 °C
T.Air 20 °C

Gas analysis 12:15:53 25.11.08
Record number 1

O2 17.5 %
CO 0% 738 ppm
CO 123 ppm
Excess air 7.00

CO measurement 12:15:53 25.11.08
Record number 1

Oxygen check 12:15:53 25.11.08
Record number 1

Oxygen test

O2 19.5 %
CO 3 ppm
Draught 00.1 hPa

T1 70.4 °C
T2 56.3 °C
dT 14.1 °C

delta-T measurement

delta T measurement 12:15:53 25.11.08

Record number 1

Soot..Oil trace

Boiler temp.: 65°C

1.Soot meas. : 0.5

2.Soot meas. : 0.3

3.Soot meas. : 0.7
Oil trace : NO

delta T measurement 12:15:53 25.11.08

Record number 1

ecom-EN2 Page 13

8. Flue Gas Analysis

8.1. Gas analysis

After the 1-minute calibration phase, the instrument switches over to
the measurement mode. The gas measurement values can be viewed
on 4 display pages. Use the cursor keys to scroll the pages.

Pressing <F1> enables to switch, from the values display, to a menu
point selected before or on „Standby“ (see chapter Adjustments).
Possible menu points are: Soot...Oil trace, Data processing, View
memory, Display values, Fuel type, Efficiency (K), Internal,
Adjustments. Furthermore you can switch back from any random menu
point to the values display with <F1>.
Press <F2> to print out the values simultaneously to their recording in
the intermediate memory.
Press <F3> to cut the CO sensor from the gas path so that it is protected
against too high concentrations.
Pressing <F4> also enables to switch, from the values display, to a
menu point selected before or on „Standby“ (see chapter Adjustments).
Possible menu points are: Soot...Oil trace, Data processing, View
memory, Display values, Fuel type, Efficiency (K), Internal, Adjustments
(back to values display with <F1>).

Switch-off

CO sensor

key <F3>

Hotkey

key <F4>

Re-calibrate the instrument after each

measurement (after one hour at the latest)

to keep the accuracy of the results!

Store and print

values

key <F2>

Hotkey

Key <F1>

O2 3.2 %
CO2 13.1 %
T.Gas 184 °C
T.Air 20 °C

Gas analysis

Page 14 ecom-EN2

The position of the measured and calculated values (gas analysis
sub-menu) on the display pages is free selectable. For alteration of
the existing succession, proceed as follows:

- Press <Enter> / „Display values“ / <Enter> to activate the function

- select line with cursor keys (Up/Down)

- select desired parameter with cursor keys (Right/Left)

- repeat procedure until desired layout is completed

- Press <Enter> to deactivate the function

Connect the sampling tubing on the instrument to the plug „Connection
gas“. Position the sampling probe in the exhaust channel, so that the
thermocouple is fully surrounded with the gas (see drawing).

Perform the measurement in the core stream of the exhaust gas
channel (probe placed in the hottest gas temperature area). A trend
indication for T.Gas easies the core stream search. As long as the display
shows an arrow in upwards direction, the measured temperature
increases, it means the probe tip moves towards the core stream
center. If an arrow in downwards direction is displayed, it means you
move the probe away from the core stream and the temperature sinks.
If no temperature change is shown for at least 3 seconds, so the trend
indication will disappear.

Core stream search

O2 3.2 %
CO2 13.1 %
CO 0 ppm
Efficiency 92.5 %
Losses 7.5 %
Excess air 1.18
T.Gas 184 °C
T.Air 20 °C

Gas analysis

Protection bow

Probe tip

Gas stream

ÏÏÏ

ÏÏÏ

ecom-EN2 Page 15

CO2, efficiency, losses, excess air and dew point are calculated values.
They can only be calculated if realistic values for the basic parameters
like O2 and the temperatures are available. It must be ascertained
that:

O2 < 20,5 % and T.Gas - T.Air > + 5 °C

are given. The dew point can only be calculated accurately if, in the
menu "Adjustments", the current barometric air pressure value has
been inputed. If the gas temperature falls below the dew point (between
25 and 65 °C), so efficiency will be calculated with condensation gain.
In this case a (K) is displayed after „Efficiency“.
Correct measurement values are displayed first after a short delay,
necessary for the gas transport and the build-up of a stable
electrochemical reaction to the sensors. This time period lasts approx.
1 to 1.5 minute. For recording, printout and evaluation, wait until the
values do not change anymore. If deviations higher than 2 ppm still
occur by the gas values, they can be due to unstable pressure conditions
in the exhaust channel.

If the measurement values are stable and
the results can be printed out, press the
key <Record> (disk symbol) to transfer
the values in the intermediate memory
(caution: store separately gas analysis,
CO, O2 check and draught measu­rements). They will be kept there for a
later printout and, if need be, for a final
data record storage.

If a printout of the values should be made simultaneously to the
intermediate recording, so press <F2> (the complete content of the
intermediate memory will be printed).

Measurement stored

in intermediate

memory

O2 3.2 %
CO2 13.1 %
CO 0 ppm
Efficiency 92.5 %
Losses 7.5 %
Excess air 1.18
T.Gas 184 °C
T.Air 20 °C

Gas analysis

Page 16 ecom-EN2

The CO sensor is protected against exceedings thanks to an internal
programme. If the 4000 ppm limit value is exceeded, so a purging
pump is activated which provides the sensor with fresh air. After sufficient
purging time (X behinds CO disappears) the sensor can be reintegrated
into the measurement system with <F3> (if you choose „Yes“ at
„Adjustments“ / „Internal“ / „CO-Automatic“ the CO sensor switchs
to measurement automaticaly). The sensor can also be manually be
excluded from the measurement system with <F3>.

8.2. CO Measurement (gas path check)

The gas channel check, called also CO measurement, is used for the
technical check of gas-fired plants in regards of safety aspects.
Hereby the CO concentration in the gas channel is measured after
the flow safety device and calculated on an undiluted value (oxygen
rest content in flue gas = 0%). As the gas conditions after the flow
safety device are no more homogeneous because of the flow in of
secundary air and consequently the core stream measurement can be
erratic, the analysis of the exhaust gas is performed along the totality of
the exhaust pipe diameter. A multi-hole probe (optional accessory) is
hereby used as sampling probe.

The calculated value shown on the line „CO
0 %“ corresponds to the measured CO
concentration supposed the oxygen
content would amount 0% by the same
exhaust gas volume. It is consequently
the undiluted CO content in exhaust gas.
If the values indication is stable, press
<Record> to store the result in the
intermediate memory. If a printout of the
values should occur simulataneously to the
recording in the intermediate memory
press <F2> (the complete content of the

intermediate memory will be printed out).

Measurement stored

in intermediate

memory

O2 17.5 %
CO 0% 738 ppm
CO 123 ppm
Excess air 7.00

CO measurement

ecom-EN2 Page 17

8.3. O2 check

This measurement is performed by room-independant plants like gross
calorific value plants. It is determined if exhaust gas flows into the
combustion air (O2 content drops down / CO content can be present)
and herewith influence on the combustion quality.
For this analysis, a special multi-hole pro­be (optional accessory) should be used.
If the value indicated is stable, press
<Record> to store the value in the
intermediate memory. If a printout of the
values should occur simultaneously to the
recording in the intermediate memory,
press <F2> (the complete content of the
intermediate memory will be printed out).

8.4. Draught Measurement

A trend indication for the draught conditions in the exhaust channel
can already be viewed during the gas analysis. Nevertheless the value
for the chimney draught will not be stored together with the gas values
while pressing <Record> because the differential pressure sensor tends
to drifts because of its sensibility.
For an exact measurement, it is consequently advised to re-calibrate
this sensor just before sampling and documenting the value.

The display shows the current value as
well as the recommendation to re-set the
zero point of the sensor. Disconnect the
draught hose from the instrument for a
short moment and press <F4>. The sensor
is herewith re-calibrated.

Measurement stored

in intermediate

memory

O2 19.5 %
CO 3 ppm
Draught 0.01 hPa

Oxygen test

Oxygen test

Draught measurement

Recorded value:

--.-- hPa

0.12 hPa

Page 18 ecom-EN2

Re-connect the draught tubing. The
display shows the exact measurement
value which can be stored while pressing
<Record> and added to those results
previous stored in the intermediate
memory. The stored value is shown on
the display. Press <ESC> to exit the
draught measurement menu.

8.5. Flow measurement (option)

This measurement can be done with a pitot
tube. At first the pitot factor of the pitot tube
must be entered („Adjustments“ /
„Internal“ / „Pitot factor“). After
connecting the pitot tube to the
instrumentment, the zero point of the
sensor can be set with <F4>. With <F1>
the cross section of the flow channel can
be entered (needed for colculation of the
flow rate). After the pitot tube iss positioned
in the flow channel, the display shows the
speed (m/s) and the flow rate (Nm3/h). If
the value indicated is stable, press
<Record> to store the value in the
intermediate memory. If a printout of the
values should occur simultaneously to the
recording in the intermediate memory,
press <F2> (the complete content of the
intermediate memory will be printed out).

Measurement stored

in intermediate

memory

Draught measurement

Recorded value:

0.12 hPa

0.12 hPa

Gas speed 0.3 m/sec
M.Flow 44 Nm3/h

Flow measurement

Gas analysis

Connections for

pitot tube

Measurement stored

in intermediate

memory

ecom-EN2 Page 19

8.6. Soot...Oil trace

The sub-menu "Soot...Oil trace" enables
the input of measured results for boiler
temperature, soot dots and oil trace.
Select the desired line on the display and
activate the input with <Enter>. The input
for boiler temperature and soot
measurements 1-3 can be made one after
the other with help of the instrument
keyboard. Press <Enter> to store the value
in the data record of the measurement.

The result of the oil trace check will be documented as follows:

- Place cursor on line "Oil trace"

- Consign the result with <Enter>
("No", "Yes" or "- - - ")

Once all inputs have been entered, press <ESC> to exit the menu. The
measurement is now complete.

Soot..Oil trace

Boiler temp. : 66°C

1.Soot meas. : -.-

2.Soot meas. : -.-

3.Soot meas. : -.­Oil trace : ----

Select : ↑↓

↵↵

↵↵

↵

Soot..Oil trace

Boiler temp. : 66°C

1.Soot meas. : 1.0

2.Soot meas. : 0.5

3.Soot meas. : 1.5
Oil trace : NO

Select : ↑↓

↵↵

↵↵

↵

Let the probe cool down before fixing it back

in the fixation in the case cover!

Page 20 ecom-EN2

8.7. Measurement record and printout

Inportant: Once the gas analysis is completed, transfer the values
recorded in the intermediate memory on the MM card, otherwise
they would get lost by switch-off of the instrument!

Press <Print> (printer symbol) to enter
the printing menu. The sampled data can
be checked one more time („View
memory“, <Enter> and scroll with the
cursor keys).

The software keyboard enables the input
or correction of the 6 lines text of the plant
identification. („Input text“, <Enter>, to
write text, see page 13).

All data correct? Then press „Memory -
> M“ and <Enter> to transfer them in the
internal memory or on the MM card
("Disk symbol" is shown in black in the
measurement mode). The inputed text is
taken over into the data record only by
transfer on MM card.

Select („Start printout“ and <Enter>) to
print out the data.
Press <ESC> to turn back to the gas
analysis mode.

The functions „View memory“,
„Memory -> M“ and „Input text“ can
also be selected out of the measurement
mode with <Enter>.

Start printout
View memory
Memory -> M
Input text

Select : ↑↓

↵↵

↵↵

↵

-- ECOM-EN2 --

Start printout
View memory
Memory -> M
Input text

Select : ↑↓

↵↵

↵↵

↵

-- ECOM-EN2 --

Start printout
View memory
Memory -> M
Input text

Select : ↑↓

↵↵

↵↵

↵

-- ECOM-EN2 --

Start printout
View memory
Memory -> M
Input text

Select : ↑↓

↵↵

↵↵

↵

-- ECOM-EN2 --

ecom-EN2 Page 21

9. Mean Value Measurement (option)

By mean value measurement function, measurements can be sampled
within an adjustable time frame and mean values can be calculated.
Should the single measurement values be stored, then a storage place
must be defined as described in chapter 7. Based on this storage place,
all measurements will be written consecutively in the next storage places
(observe storage capacity!).

Once the fresh air calibration is
completed, select the menu point „Mean

values“. Before starting, the parameters
„Measurement time“, „Scanning“,
„Printer“ and „Record“ should be

checked or modified if need be.
The meaning is respectively:

- Measurement time = Time frame during

which the mean values will be sampled

- Scanning = Time interval between the

measurements considered for mean
value calculation

- Printer = Documentation of

measurements serving to the mean
value calculation

- Record = All measurements for mean

value calculation will be stored

„Measurement time“ and „Scanning“ can be adjusted as follows:

- select menu point and confirm with <Enter>

- set the desired time using the numerical keys:

0.01 = 1 sec = minimal value

59.59 = 59 min : 59 sec = maximal value

- confirm with <Enter>

The settings for „Printer“ can be changed as follows:

- select menu point and confirm with <Enter>

- select desired adjustment with cursor keys

- confirm with <Enter>

Gas analysis
Soot..Oil trace
Data processing
Adjustments
Control
Diagnostics

Select : ↑↓

↵↵

↵↵

↵

Mean values

Start measurement
Measurement time
Scanning
Printer
Record

Page 22 ecom-EN2

The setting for „Record“ can be changed as follows:

- select menu point and confirm with <Enter>

- activate memory function with <F1> or

- deactivate it with <F4>

Activate „Start measurement“ / <Enter>
to start the sampling of the data. On the
display the current measurement values
(constantly updated with new values) are
shown. Once the measurement time is
over, a protocol with all mean values can
be printed (press <Print>).

O2 3.2 %
CO2 13.1 %
CO 0 ppm
T.Gas 184 °C
T.Air 20 °C
Efficiency 92.5 %
Excess air 1.18

Mean values

ecom-EN2 Page 23

10. Adjustments

Additionally to those ecom-EN2 functions described previously, various
adjustments can be made in the instrument.
From the main menu, select the sub-menu "Adjustments" and confirm
with <Enter>.
A selection of modifiable parameters,
adjustable according to the application,
is displayed.
Place the cursor on the desired line and
press <Enter> to call up or modify the
adjustment. The modifiable parameters
are:

Unit (adjustment with cursor keys):

- Calculation of gas concentrations in:

- ppm = volume concentration (parts per million)

- mg/m

3

= mass concentration per volume unit

- mg/kWh (undiluted) = mass concentration per power unit

- mg/MJ (undiluted) = mass concentration per power unit

- ppm (undiluted) = volume concentration (parts per million)

- mg/m3 (undiluted) = mass concentration per volume unit

Undiluted:
Conversion of the gas concentration on selected reference oxygen:

- mg/kWh and mg/MJ are always calculated on 0% O2 basis

- Conversion formula

O2 reference

(for ppm und mg/m3 - Input after pressing <Enter>):

- Input of O2 reference value O

2 ref

E

ref

= E

meas

*

21 - O

2 ref

21 - O

2 meas

Adjustments
Unit
O2 reference
Fuel type
Air pressure

Clock set
Paper feed
Internal

Select : ↑↓

↵↵

↵↵

↵

Page 24 ecom-EN2

Fuel type (press <Enter> to access selection list):

- Modification of adjusted fuel type
(e.g. by measurements at combi-plants)

Air pressure (press <Enter> to access menu):

- Input of barometric air pressure for dew point calculation

Clock set (press <Enter> to access setting menu):

- Correction of internal clock with cursor keys

Paper feed (press <Enter> to activate paper feeding):

- Paper feed line by line

ecom-EN2 Page 25

Internal (press <Enter> to open menu):

- Further instrument settings:

Printout contraste (0..9)
(press <Enter> to access input menu):

- Printer contraste adjustment

Display contraste

(press <Enter> to access input menu):

- Display contraste adjustment with
cursor keys

Key beep

(<F1> for YES / <F4> for NO):

- Acoustical signal by key pressing

Language: English (change with <Enter>):

- Info about selected language (3 languages selectable)

F1 Hotkey (selection after pressing <Enter>):

- Modification of adjusted menu the programme will open
after pressing <F1>

F4 Hotkey (selection after pressing <Enter>):

- Modification of adjusted menu the programme will open
after pressing <F4>

Efficiency (K) (<F1> for YES / <F4> for NO):

- Efficiency calculation with or without condensation gain

USB (selection after pressing <Enter>):

- Adjustment of transfer speed and protocol for the USB
interface (connection USB) with the cursor keys

Bluetooth (selection after pressing <Enter>):

- Adjustment of protocol for the Bluetooth interface with the cursor keys

Pitot factor (selection after pressing <Enter>):

- Input of Pitot factor for flow rate calculation (standard = 0.93)

Internal
Printout contraste
Display contraste
Key beep
Language: English

F1 Hotkey
F4 Hotkey
Efficiency (K)
Baud rate
Pitot factor
Printout

Select : ↑↓

↵↵

↵↵

↵

Page 26 ecom-EN2

Printout (selection after pressing <Enter>):

- Text input for printout on measurement protocol (8 x 24 characters)

- Input the text of line 1 as follows:

1. Activate character selection list with <F4>.

2. Select keyboard type with <F3> (4 different keyboards available).

3. Use the cursor keys to select the desired character
(selected character is outlined by black background).

4. Confirm selection while pressing <Enter>.

5. Repeat procedure until desired text is complete.

6. Once input for line 1 is completed, deactivate the characters selection
mode with <F4> and move to the second line with the cursor
key <Down>.

7. Once all lines have been processed as desired, exit the menu
with <ESC>.

ecom-EN2 Page 27

11. Control

The electrochemical sensors for gas analysis are submitted to a wearing
process and do age. They alter their output values along the time
depending on the gas concentration, the exposure time and the soiling
grade of the sampled gas. The programme monitors the sensors and
corrects drifts.
But if the drifts and the correlated measurement errors increase, an error
message is displayed. 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.
Further information is also consigned on 2 display pages (use cursor
keys to scroll):

- accu voltage (charging status);
is displayed as a symbol in all menus:
Full charge Half charge Empty

- operation hours since last service

- total operation hours

- date of the next recommended service

- phone number of the next service center

- software version

- serial number

- amount of CO switch-offs

- error amount

O2 19744 mV
CO 7 mV
Accu 6.09 V

Operation hrs : 8.45 hrs
Total oper. hrs: 18.75 hrs

Next maintenance: 01.07.10
Service tel. :[phone]

Select : ↑↓

↵↵

↵↵

↵

Prog. version:V1.0 02.04.09
Serial number :EN2-0001
CO purges : 15
Error counter : 21

Operation hrs: 8.45 hrs
Total oper. hrs: 18.75 hrs

Next maintenance: 01.07.10
Service tel. :[phone]

Select : ↑↓

↵↵

↵↵

↵

Page 28 ecom-EN2

12. Data Processing

If a MM card is inserted in the slot, so it
will be used as record medium. The menu
„Data processing“ offers the following
functions:

Select:

For search or creation of plant files in the scope of assigning
measurement values (see § 7.).

View:

Recorded values of the selected plant can be viewed (see § 7.).

Memory (M):

Here all stored measurements (sorted by
record number) can be viewed. Single
measurement results can be called up as
follows:

- Select desired record number with the
cursor keys and confirm with <Enter>

- Scroll with the cursor keys

- Press <ESC> to exit

Format:

This function is usually needed by initial adjustment of the instrument
at our factory (preparation of MM card for data recording).

Caution: All stored values will be cancelled!

Quit with: ESC

Data processing
Select
View
Memory (M)
Format

Date Fuel type
1 01.09.06 11:01 Fuel oil
2 01.09.06 11:02 Fuel oil
3 01.09.06 11:04 Fuel oil
4 01.09.06 11:07 Fuel oil
5 01.09.06 11:11 Fuel oil
6 01.09.06 11:23 Fuel oil
7 01.09.06 11:44 Fuel oil
8 01.09.06 11:53 Fuel oil

Select : ↑↓

↵↵

↵↵

↵

ecom-EN2 Page 29

RDT <-> PC !:

Load data:

Enables the data import from e.g. rbr software (available on our website
„www.rbr.de“). See chapter „Technical Data“ for data format information
(please observe the transfer options of your software!).

Proceed as follows:

-Connect ecom-J2KN and PC via USB cable.

-Select “Load data“ and confirm with <Enter>.

-Answer the displayed question with YES (<F1>).

-Decide if the data recorded can be cancelled
(<F1> for YES / <F4> for NO).

-Start the data transfer on your PC.

Send data:

With this function the data records completed with measurement values
can be transferred to the PC programme (procedure similar to chapter

„Load data“).

Data logger:

Here a Data logger record (“Data logger” and key <OK> / on top right
on the display appears the disk symbol) can be started or finished (just
available when using the multi media card). For each recording one file
will be written on the card. The files will be numbered consecutively (J2KDL-

00.csv, J2KDL-01.csv and so on) and can be transferred to PC with a
card reader. The length of a dataset is 500 byte which means that on a
32 MB card 64000 measurements could be recorded.
In addition to data logger recordings the data could be transferred online
(with USB cable at 1200 Baud / Protocol DAS) to the software “DASNT”.
The software is available free of charge from the rbr website.

Save to MMC (min. 1 second / max. 255 seconds):

Adjustment of the interval time for data logger recordings.

Page 30 ecom-EN2

13. Diagnostics

13.1. Fault diagnostic

The ecom-EN2 is able to receive and to
process information provided via cable
transfer by the ecom-AK (read-out head
for digital firing automates).
Out of the main menu, select the sub-menu

"Fault diagnostic" and confirm with
<Enter>. The ecom-EN2 tries to establish

a connection with the ecom-AK (display
message: „Search in process“). By
successful attempt, the current burner
operation stand is displayed as a graphic
on the display. The operation stand can
be recorded (max. 120 sec). Press
<Enter> to initiate a new recording (reset).

Current
flame signal

Min. flame
signal

ecom-AK

Flame
identified

Engine on

Oil pre-warmer /
Air pressure
monitor is on

Valve 1 is on

Ignition is
active

Valve 2 is on

Model name

Recording of operation
stand (max. 100 sec.):

1/0 = Continuous phase
GM = Fan motor
HZ = Oil preheater
ZT = Ignition
BV1 = Valve 1st stage
BV2 = Valve 2nd stage
Fla = Flame identified
Stö = Disturbance

Reset = Starts a new
recording (confirm with
<Enter>)

Operation
voltage

Cable connection to

AUX connector

DKO 972 / 22

2.3 1.2

228

AUS

AUS

1/0
GM
HZ
ZT
BV1
BV2
Fla
Stö

ecom-EN2 Page 31

Use the cursor keys (Up/Down) to call up further data of the firing
automate. On the 2nd display page the current error and the number of
burner starts are displayed.

Ther 3rd display lists information about error history (type and volume
of information dependind on firing automat).

The 4th display page lists information about the monitoring times (type
and volume of information depending on firing automate).

Number of burner
starts at a total resp.
since reset of firing
automate

Error statistics
(number of
errors)

Last 2 errors (Satronic)
Last 5 errors (Siemens)
(Scroll errors using
<Right/Left>)

Current error

Monitoring times of
firing automate

Number of startups total 677
Service counter actual 142

Further pages: ↑↓

No error!

Current error

To ta l : 46
Straylight : 22
Safety time : 9
Loss of flame : 17
FT/LW : 0

Flame signal during
straylight check

Error history

After: 001 12 sec
Stat : 2.2 µA 225 V

Select: ↑↓ <>

Timing values

Safety time (TSA) 4.9 sec
Delay time valve 2 40.0 sec
Pre-ignition time 17.0 sec
Post-ignition time 20.0 sec
Delay straylight sup. 11.5 sec
Straylight supervision 5.0 sec
Rest time TSA (actual) 4.1 sec

Select: ↑↓

Page 32 ecom-EN2

13.2. delta-T Measurement

With the ecom-EN2 a difference temperature measurement is possible.
For measurements at pipings (e.g water-in and water-out of heating
systems), special temperature sensors are needed, available from your
authorised rbr agency. Out of the main menu point "Diagnostics" select
the sub-menu "delta-T measurement" and confirm with <Enter>.
The instrument indicates the temperature
T1 (sensor at connection „Gas
temperature“), the temperature T2
(sensor at connection „Air temperature“)
and the difference between both
temperatures (T1 - T2). Press <Memory>
to store the result in the intermediate
memory. A printout can be started with
<Print>.

13.3. Heating Check (option)

The heating check is a simple, expressive process to evaluate a complete
heating plant (heat production, distribution and transfer) from the energetic
point of view.
Hereby the single plant components get inspected by the heating engineer
in a combination of measurements and visual assessment and valued in
regards of their energetic quality acc. to a negative point system of
maximum 100 points.
The higher the score, the farer the current plant is away from the
desirable energetic stand and the higher the energy saving potential would
be if modernisation measures are conducted.
In combination with the special probes
required hereto, the ecom-EN2 is able to
perform the measurement of the heating
check parameters: gas losses, ventilation
losses and surface losses.
Out of the main menu point "Diagnostics",
select the sub-menu "Heating Check"
and confirm with <Enter>.

Measurement stored in

intermediate memory

T1 70.4 °C
T2 56.3 °C
dT 14.1 °C

delta T Messung

Select : ↑↓

↵↵

↵↵

↵

Heating Check

Gas losses
Surface losses
Ventilation losses
Results
Delete

ecom-EN2 Page 33

The gas losses measurement is to be
performed with the instrument´s sampling
probe in the gas core stream after menu
call up (see chapter 8.1.). Once the
measurement is recorded with
<Memory> (disk symbol) the conversion
of the measurement results in negative
points is available under the menu point
„Results“.

The surface losses measurement is
performed by a temperature sensor specific
for surfaces. The temperature difference
between boiler surface and room
temperature (air temperature sensor) is
determined and the percentual loss is
calculated. Once the menu point is called
up, the boiler performance must be inputed.
To easy the measurement width, depth and
height of the boiler can also be entered
(dimensions will be memorized for surface
calculation). Please proceed as follows:

- activate respective input window
with <Enter>

- inputs values using the keys numerical
function

- confirm input with <Enter>

or:

- adjust values using the cursor
keys <Right/Left>

If no boiler dimensions are inputed, press <F1> (Start) to activate the
measurement recording. Here the dimensions for all surfaces must be
inputed.

Measurement stored in

intermediate memory

O2 3.2 %
CO2 13.1 %
CO 0 ppm
Efficiency 92.5 %
Losses 7.5 %
Excess air 1.18
T.Gas 184 °C
T.Air 20 °C

Gas analysis

Temperature sensor

for surfaces

Surface loss

Boiler P 24.5 kW
Width 1.20 m
Height 1.20 m
Depth 1.20 m

Start

Modify : ↑↓

↵↵

↵↵

↵

Start

+

Page 34 ecom-EN2

Press <F3> (Start + ->) to start the real
measurement. Proceed as follows:

- select surface (boiler side) to be measured
with <F1> or <F2>

- position surface sensor

- record temperature difference with
<Memory> - up to 10 values can be
recorded per surface out of which a mean
value will be calculated automatically

- if need be, cancel measurements
with <F4>

- repeat this procedure for each surface

Once all surface temperatures have been determined, quit the menu with
<ESC>. The surface losses get automatically calculated. The value
conversion in negative points is available in the menu point „Results“.

The ventilation loss measurement is
performed by a flow probe 30 sec. after
burner switch-off. This measurement can
be performed at the earliest 5 min. after
instrument´s switch-on as the pressure
sensor requires this period of time for
stabilisation. Once the menu is called up,
the values for air pressure, external
temperature, boiler performance and
exhaust gas pipe diameter must be
inputed . Hereto proceed as follows:

- open respective window with <Enter>

- input figures using numerical function
of keys

- confirm input with <Enter>

or:

- adjust values using the cursor keys <Right/Left>

Surface loss

Br. 1.20 m
Hö. 1.20 m
A 1.44 m2
T.O. 40.5 °C
T.R. 21.5 °C
T.O. 42.5 °C
T.R. 21.5 °C

-1-

Surface Record

Surface loss

Wi. --- m
He. --- m
A --- m2
T.S. --- °C
T.A. --- °C
T.S. 21.5 °C
T.A. 21.5 °C

-0-

Surface Record

Flow probe

ecom-EN2 Page 35

Quit with: ESC

Heating Check

Gas losses 2.9 %
Points 2.6
Surface loss 2.29 %
Points 3.4
Ventil. loss 3.11 %
Points 3.0

Press <F1> (Start) prior to going thru the following steps to start the
measurement:

- release tubing of the flow probe

- wait for zeroing of pressure sensor

- re-connect tubing of the flow probe

- position flow probe into exhaust gas pipe
(observe mark for flow direction)

- switch off burner and simultaneously press <F1>

or:

- press <F2> to activate timer (5 sec.) and switch off burner by beep

- after approx. 30 sec. the measurement value converted in negative
points is available

An overview of the measurements is available under „Results“. Press
<Print> to print them out.

Select : ↑↓

↵↵

↵↵

↵

Heating Check

Gas losses √
Surface loss √
Ventilation loss √
Results
Delete

Page 36 ecom-EN2

13.2. 4 Pa Measurement (option)

The simultaneous operation of room-dependent firing place and air
evacuation system can lead to dangerous low pressure conditions.
With the ecom-EN2 it is possible to check the low pressure limit value of
4 Pa and to document in a diagramme the time course of the low pressure
value. Once the menu point is called up, the measurement is to be
performed as follows:

- connect capillary hose for room where burner is installed to „+“

- connect capillary hose for reference place (staircase or outside
air to „-“

- operate firing and evacuation systems with maximal performance

- open window resp. connection door to burner room and check
the correct evacuation of the exhaust gases

- zero pressure sensor with <F4>

- position capillary hose for reference location

- start record pressure value course with <F1> (Start)
(an acoustical signal is issued every 30 sec. which can be
deactivated / re-activated pressing <F2>)

- record pressure by opened window resp. connection door

- close window resp. connection door after approx. 30 sec. and
check low pressure

- after approx. 30 sec. open window resp. connection door and
check zero point

- close window resp. connection after approx. 30 sec. and
check low pressure

- after approx. 30 sec. re-open window or connection door and
check zero point

- after approx. 30 sec. close window resp. connection door and
check low pressure

Once the measurement time is completed, the diagramme can be viewed
on the display (use <F3> to emphasize illustration 1x, 2x, 4x, 8x times
or A for automatic). Start a printout if needed with <Print>.

ecom-EN2 Page 37

14. Maintenance Tips

We recommend to send your instrument for maintenance one time
a year, however after max. 250 operation hours, to the next
authorised service centre.

The following advices will be of help for the daily check and
maintenance of single parts or assemblies:

Fine dust filter

Screw off the cover of the condensate trap/gas cooler and check the
state of the particle filter. Change it once the filter has a grey colour
(= number 2 - 3 of the soot comparison scale).

Fine dust filter

Service made by service centres non-authorised

by rbr Messtechnik GmbH will result in a

complete and immediate lost of any warranty!

Do not use other sensors or feelers from other

manufacturers otherwise the TÜV / DIN EN

approval will not be valid anymore!

Page 38 ecom-EN2

Prefilter

The prefilter made of high-grade steel is within the condensate container.
It should be cleaned when contamination (with warm water and dry).
Unscrew condensate container and prefilter. Assemble after cleaning
again in reverse order.

Sensors

The sensors get calibrated with the reference gas fresh air by each
switch-on. Their state is permanently checked by the instrument. New
sensors age along the operation time because of the wearing of the
reagents (oxygen sensor) and due to soiling respectively exceeding
concentrations beyond the nominal measurement range (toxic sensors).
The output values of the sensors are (menu "Control"):

O

2

approx. 20000 mV

Others 0 mV (+/- 150)

If an error message is displayed during calibration and cannot be
eliminated despite several calibration phases, so the instrument must
be checked by a qualified and authorised service centre. The oxygen
sensor must show a value of >7000 mV, otherwise it must be changed
by an authorised service centre.
The CO sensor is protected against exceedings by the internal
programme. If the limit value of 4000 ppm is exceeded, a second pump
switches on and flows the sensor with fresh air. After sufficient purging
time (X behinds CO disappears) the sensor can be reintegrated into the
measurement system with <F3> (if you choose „Yes“ at „Adjustments“
/ „Internal“ / „CO-Automatic“ the CO sensor switchs to measurement
automaticaly). The sensor can also be manually be excluded from the
measurement system with <F3>.

Prefilter

ecom-EN2 Page 39

Probe and tubing

Depending on the frequency of use, probe and tubing should be regularly
cleaned in order to release particle deposits and to prevent early wearing
due to corrosion.

- Release the connections at the instrument and at the probe grip
to free the tubing.

- Clean it (flow warm water in then dry respectively blow water drops out.

- Slightly grease the O-rings of the tubing connections from time to
time with acid-free grease.

Change printer paper roll

- Release the printer cover (press lock downwards).

- If necessary, extract the paper rest out of the printer. Hereto select
"Adjustments"/"Paper feed"/<Enter>).

- Remove the plastics tube of the previous roll.

- Insert the paper end in the slot under the transport roll (paper roll inner
side facing you while inserting the paper).

- Convey approx. 3 cm paper thru the printer ("Adjustments"/"Paper
feed"/<Enter>).

- Lay the paper roll in the corresponding hollow.

- Insert the paper thru the slot of the printer compartment cover
and close the latest.

Lock printer

cover

Page 40 ecom-EN2

15. Technical Data

Parameter Range Principle

O

2

0 ... 21 vol-% Electrochemistry
CO 0 ... 4000 ppm Electrochemistry
NO (option) 0 ... 5000 ppm Electrochemistry
NO2 (option) 0 ... 1000 ppm Electrochemistry
SO2 (option) 0 ... 5000 ppm Electrochemistry
CO% (option) 4000 ... 63000 ppm Electrochemistry
CO

2

0 ... CO

2max

Calculation
T-Gas 0 ... 500 °C NiCr/Ni
T-Air 0 ... 99 °C Semi-conductor

Differential pressure 0 ... +/- 100 hPa DMS bridge
Efficiency 0 ... 120 % Calculation
Losses 0 ... 99,9 % Calculation
Excess air 1 ... ∞ Calculation
CO undiluted (adjustable ref. O2) Calculated
Flue gas dew point Calculated

Power supply Charger 230 V / 50 Hz~; Accu 6 V / 3,8 Ah
Protocole printer integral; 58 mm paper width

Printout individually programmable

Indication graphic display; backlit
Dim. (W x H x D) 400 mm x 260 mm x 175 mm
Weight approx. 6 kg complete with sampling system

Subject to technical changes

V1.1 / 07.2009

rbr Messtechnik GmbH

Am Grossen Teich 2
D-58640 Iserlohn (Sümmern)
Telefon: [phone] - 945-5

Telefax: +49 (0) 2371 - 40305

Internet: http://www.rbr.de

eMail: [e-mail]

ecom-EN2 Page 41

Description of data record ecom-EN with Multi Media Card

Format data logger recordings: J2KDL-xx.csv (separation mark between values = comma)
Format punctual measurements: J2KDV.txt (separation mark between values = comma)

Column Description Remark/Example
A Datum DD.MM.YYYY (also by US version)
B Time HH:MM:SS (also by US version)
C O2 in vol.% 0,0 - 21,0
D CO in ppm 0 - 4000
E NO in ppm 0 - 4000
F NO2 in ppm 0 - 200
G SO2 in ppm 0 - 2000
H CO converted *
I NO converted *
J NO2 converted *
K NOX converted *
L SO2 converted *
M T.Gas in °C or °F 0 - 500 (US version with other range in °F)
N T.Air in °C or °F 0 - 99 (US version with other range in °F)
O Draught in hPa 0,00 - 20,00
P CO2 in vol.% 0,0 - 25,0
Q Eff. in % 0,0 - 100,0
R Losses in % 0,0 - 100,0
S Excess air > 1,00
T Dew point in °C or °F 0 - 500 (US version with other range in °F)
U Poisoning index > 0,0
V O2 (gas channel check) in vol.% 0,0 - 21,0
W CO (gas channel check) in ppm related to 0,0 vol.% O2
X CO (gas channel check) in ppm Measured value
Y O2 (check if O2 mixed) in vol.% 0,0 - 21,0
Z T. Boiler 0 - 999
AA T. Sensor 0 - 99
AB O2 ref. 0,0 - 21,0
AC Unit 0=ppm; 1=mg/m3; 2=mg/kWh; 3=mg/MJ
AD Norm N= converted to O2 ref.
AE Fuel type number Index acc. to instrument table
AF Fuel type text Text acc. to instrument table
AG Soot1 0,0 - 9,9
AH Soot2 0,0 - 9,9
AI Soot3 0,0 - 9,9
AJ Oil trace 0=no; 1=yes;
AK 20 characters text
AL 20 characters text
AM 16 characters text
AN Serial number
AO CO (check if O2 mixed) in ppm
AP Draught (check if O2 mixed) in hPa
AQ CxHy
AR Number copy data
AS T1 (deltaT-measurement)
AT T2 (deltaT-measurement)
AU velocity m/s
AV-AW Comma Reserve field
AX Comment text
AY Comment text
AZ Comment text
BA Comment text
BB Oil consumption CH only
BC Firing thermal output CH only
BD Operation hours counter CH only
BE Code CH only
BF free (column 510 always 0) CH only otherwise BB = last column

CR-LF #13#10

* converted on unit (column AC) and converted on O2 ref. (column AB) when column AD = N

EN2 Manual Addendum

I. Data Logging onto Memory Card

Setup Data Processing Shortcut to F1 Hotkey

1. Turn on analyzer

2. Go to Adjustments -> Internal -> F1 Hotkey

3. Press right arrow to select Data processing and press ENTER

4. The F1 Hotkey is now set to Data Processing -> Press ESC twice to return to Main Menu
How to Log Data on a Memory Card

1. Insert memory card into slot located above the printer

2. From Gas Analysis, press F1 hotkey to go to Data Processing

3. Select Datalogger -> Save to MMC -> Input desired logging interval in seconds and press
ENTER

4. Select Datalogger -> Prompt “Start dl? Are you sure?” -> Press F1/yes

5. Analyzer is now in Datalogging mode. The blinking disk in the top right corner indicates that
datalogging is activated. Press ESC to return Gas Analysis. You are now viewing real-time
results while the analyzer is logging data.

6. Once the test is complete, press F1 hotkey to go to Data Processing

7. Select Datalogger -> Datalogger (again) -> Prompt “Finish dl? Are you sure?” -> Press
F1/yes

8. You are done! Press down on the memory card to release from the slot and insert memory
card into a card reader on a computer to view your results in Microsoft Excel.

NOTE: The file will be saved as “J2KDL-xx.csv”

II. How to Print

Quick Print

1. Enter Gas Analysis mode

2. Press F2 to print real-time readings

Print from memory:

1. While in Gas Analysis mode, press 7/Save to save snapshot to memory (disk icon
will appear in the memory box)

2. Press 6/Printer key to print data snapshot from memory

3. Press 7/Save to clear memory (disk icon will clear from memory box)

Print with text (i.e. site and equipment)

1. While in Gas Analysis mode, press ENTER to display options

2. Select Insert Text and press ENTER, then press ENTER again to select first line of
text

3. If one of the letters in the grid is not already highlighted, press F4 to toggle down
to the alphanumeric grid. Using the directional keys and ENTER, select the
alphanumeric characters to insert text. Press F3 to change grid to lower case,
numbers, or other characters. To delete a character, press F4 to toggle up then
F2 to delete. Press F1 to accept text. If you wish to insert more lines of text, select
the next line and repeat.

4. Press ESC twice to return to Gas Analysis screen -> Print when ready

5. To clear text from printout, press ENTER to display options, select Insert Text,
select text line, press F4 to toggle up, move the cursor to the right of the text,
press F2 to delete each character, then press ESC until you get back to Gas

Analysis

III. Mean Value Function (Averaging Tests)

1. Turn on analyzer, go to Gas Analysis, select Fuel Type, press No for Data Processing,
and wait for self-calibration, then press ESC to return to Main Menu

2. Select Mean Value

3. Select Meas. Time

Input total measuring time in minutes or seconds (for seconds, press decimal first)

4. Select Scanning

Input interval time (for seconds, press decimal first)
For example: If the Meas. Time is 5 minutes and the Scanning time is 10 seconds,
the mean value will take into account 30 scans and find the average

5. Select Printer

It is recommended to select No Value to print only the final average values (saves
paper) instead of printing every scan, every other scan, etc.

6. Do not select Store. Please leave to default setting.

7. Select Start Measurement

Mean value measurement has initiated
Press up/down to toggle between mean value and real-time results

8. After the Meas. Time has elapsed, press 6/Printer key to print results

9.

Press ESC, select Mean Value, and press F1 to quit mean value calculation