TESTO 340 User manual

Instruction manual en
testo 340
Flue gas analyser
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General notes
Please read this documentation through carefully and familiarise yourself with the opera-
tion of the product before putting it to use. Keep this document to hand so that you can
refer to it when necessary.
This document describes the country-specific version GB of the testo 340 measuring
instrument.
Identification
Symbol Meaning Comments
Warning advice: Warning! Read the warning advice carefully and
Serious physical injury could be caused if the specified take the specified precautionary measures!
precautionary measures are not taken.
Warning advice: Caution! Read the warning advice carefully and
Slight physical injury or damage to equipment could take the specified precautionary measures!
occur if the specified precautionary measures are not
taken.
Important note. Please take particular notice.
Text Text appears on the instrument‘s display -
Key Press the key.
OK Function key with the function “OK”. Press function key.
xyz Short form for operating steps. See Short form, p. 3.
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Short form
This document uses a short form for describing steps
(e.g. calling up a function).
Example: Calling up the Flue gas function
Short form: Measurements OK Flue gas  OK
(1) (2) (3) (4) (5)
Steps required:
1 Open the Main menu: .
2 Select
Measurements menu: , .
3 Confirm selection: OK .
4 Select
Flue gas menu: , .
5 Confirm selection: OK .
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Content
See also Functional overview, p. 60.
General notes ................................................................................................ 2
Content .......................................................................................................... 4
A. Safety advice......................................................................................... 7
B. Intended purpose.................................................................................. 9
C. Product description ............................................................................ 10
C.1.1 Overview .................................................................................. 10
C.1.2 Keypad..................................................................................... 11
C.1.3 Display ..................................................................................... 11
C.1.4 Instrument connections ............................................................ 12
C.1.5 Interfaces ................................................................................. 13
C.1.6 Components ............................................................................ 13
C.1.7 Carrying strap .......................................................................... 14
C.2 Modular flue gas probe................................................................ 14
D. Commissioning.................................................................................... 14
E. Operation............................................................................................. 15
E.1 Mains unit/rechargeable battery................................................... 15
E.1.1 Changing the battery................................................................ 15
E.1.2 Charging batteries .................................................................... 16
E.1.3 Operation with the mains unit ................................................... 16
E.2 Probes/sensors ........................................................................... 17
E.2.1 Connecting probes/sensors ..................................................... 17
E.2.2 Replacing the probe module..................................................... 18
E.3 Regular care ................................................................................ 18
E.3.1 Condensate trap ...................................................................... 18
E.3.2 Checking/replacing the particle filter ......................................... 19
E.4 Basic operating steps .................................................................. 19
E.4.1 Switching the measuring instrument on .................................... 19
E.4.2 Calling up the function ............................................................. 20
E.4.3 Entering values ......................................................................... 20
E.4.4 Printing data............................................................................. 21
E.4.5 Saving data .............................................................................. 21
E.4.6 Confirming an error message....................................................21
E.4.7 Switching the measuring instrument off .................................... 21
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E.5 Memory ....................................................................................... 22
E.5.1 Folders ..................................................................................... 22
E.5.2 Location ................................................................................... 23
E.5.3 Protocols.................................................................................. 24
E.5.4 Extras Memory ......................................................................... 25
E.6 Instrument diagnosis.................................................................... 26
F. Configuration....................................................................................... 27
F.1 Instrument settings ...................................................................... 27
F.1.1 Display edit............................................................................... 27
F.1.2 Printer ...................................................................................... 28
F.1.3 Start keys edit .......................................................................... 29
F.1.4 AutoOff..................................................................................... 29
F.1.5 Communication ........................................................................ 30
F.1.6 Date / Time .............................................................................. 30
F.1.7 Language ................................................................................. 30
F.2 Sensor settings............................................................................ 31
F.3 Fuels............................................................................................ 35
G. Measuring............................................................................................ 36
G.1 Preparing measurements............................................................. 36
G.1.1 Zeroing phases......................................................................... 36
G.1.2 Using the modular flue gas probe............................................. 37
G.1.3 Configuring the reading display................................................. 37
G.1.4 Set location/fuel........................................................................ 37
G.2.1 Flue gas, Flue gas + m/s, Flue gas + Dp2................................. 38
G.2.2 Program ................................................................................... 39
G.2.3 Draught .................................................................................... 40
G.2.4 Smoke# /HCT .......................................................................... 40
G.2.5 Gas flow rate ............................................................................ 41
G.2.6 Oil flow rate .............................................................................. 42
G.2.7 m/s .......................................................................................... 42
G.2.8 Dp2.......................................................................................... 43
G.2.9 Burner control .......................................................................... 43
H. Transferring data ................................................................................. 45
H.1 Protocol printer............................................................................ 45
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I. Care and maintenance........................................................................ 46
I.1 Cleaning the measuring instrument.............................................. 46
I.2 Replacing sensors ....................................................................... 46
I.3 Filter for CO, H2-comp., NO exchanging sensors ....................... 47
I.4 Recalibrating sensors................................................................... 47
I.5 Cleaning the modular flue gas probe............................................ 48
I.6 Replacing probe preliminary filter ................................................. 48
I.7 Replacing thermocouple .............................................................. 48
J. Questions and answers ...................................................................... 49
K. Technical data ..................................................................................... 50
K.1 Standards and tests .................................................................... 50
K.2 Measuring ranges and accuracies................................................ 50
K.3 Other instrument data.................................................................. 52
K.4 EC declaration of conformity........................................................ 53
K.5 Principles of calculation................................................................ 53
K.5.1 Fuel parameters ....................................................................... 54
K.5.2 Calculation formulae ................................................................. 54
K.6 Recommended rinsing times ....................................................... 57
K.7 Cross-sensitivities........................................................................ 58
L. Accessories/spare parts ..................................................................... 59
Functional overview .................................................................................... 61
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A. Safety advice
Avoid electrical hazards:
Never use the measuring instrument and probes to measure on or near live parts!
Protect the measuring instrument:
Never store the measuring instrument / sensors together with solvents
(e.g. acetone). Do not use any desiccants.
Product with Bluetooth®(Option)
Changes or modifications, which are not expressly approved by the responsible official
body, can lead to a withdrawal of operating permission.
Interference with data transfer can be caused by instruments which transmit on
the same ISM band, e.g. microwave ovens, ZigBee
The use of radio connections is not allowed in e.g. aeroplanes and hospitals. For this
reason, the following point must be checked before entering:
Deactivate Bluetooth function
Inst’ settings OK Communication OK Select IrDA OK
Product safety / preserving warranty claims:
Operate the measuring instrument only within the parameters specified in the Techni-
cal data.
Handle the measuring instrument properly and according to its intended purpose.
Never apply force!
Temperatures given on probes/sensors relate only to the measuring range of the
sensors. Do not expose handles and feed lines to any temperatures in excess of
70 °C unless they are expressly permitted for higher temperatures.
Open the measuring instrument only when this is expressly described in the instructi-
on manual for maintenance purposes.
Carry out only the maintenance and repair work that is described in the instruction
manual. Follow the prescribed steps exactly. For safety reasons, use only original
spare parts from Testo.
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Any additional work must only be carried out by authorised personnel. Testo will
otherwise refuse to accept responsibility for the proper functioning of the measuring
instrument after repair and for the validity of certifications.
Ensure correct disposal:
Dispose of defective rechargeable batteries and spent batteries at the collection
points provided for that purpose.
Send the measuring instrument directly to us at the end of its useful life. We will ensu-
re that it is disposed of in an environmentally friendly manner.
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B. Intended purpose
This chapter describes the areas of application for which the measuring instrument is
intended.
The testo 340 is a handheld measuring instrument used in professional flue gas analysis
for:
· Engineers servicing/monitoring industrial combustion plants (process systems, power
stations)
· Emissions inspectors
· Engine manufacturers and operators
· Service engineers/mechanics of burner/boiler manufacturers in the industrial sector
Typical measuring tasks and particular characteristics of the testo 340 include:
· Measurement on industrial engines (CO/NO dilution)
· Measurement on gas turbines (high precision CO and NO plus optional dilution)
· Emissions measurement (integrated flow speed and differential pressure measurement)
testo 340 should not be used:
· for continuous measurements > 2 h
· as a safety (alarm) instrument
The testo 340 with the Bluetooth option may only be operated in countries in which it
is type approved (see Technical Data).
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C. Product description
This chapter provides an overview of the individual components of the product.
C.1 Measuring instrument
C.1.1 Overview
Infrared interface
Do not point infrared beam at
people‘s eyes!
Interfaces: USB, PS2
On/Off switch
Condensate trap (on rear)
Attachment for carrying strap (on rear)
Magnetic holders (on rear)
WARNING! Magnetic field!
May be harmful to those with pace-
makers
>Keep a minimum distance of 20 cm
between pacemaker and instrument.
ATTENTION! Magnetic field!
Damage to other devices!
>Keep a safe distance away from
products which could be dama-
ged by the effects of magnetism
(e.g. monitors, computers or
credit cards)..
Display
Service cover (on rear)
Keypad
Instrument connections: flue gas probe,
sensor, pressure probe, mains unit, gas
outlet
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C.1.2 Keypad
Key Functions
Switch measuring instrument on/off
Function key (orange, 3x), relevant function is shown on the display
Scroll up, increase value
Scroll down, reduce value
Back, cancel function
Open Main menu: press briefly (changed settigs are stored, measurement values are carried over into the menu
Flue gas); open Measurements menu: press and hold down for 2s (changed settigs are stored, measurement
values are carried over into the menu Flue gas)
Open Inst’ diagnosis menu
Change display light: display light stays on permanently or display light is switched on for 10s every time the key
is pressed.
C.1.3 Display
Depending on the menu that is active, the display shows a variety of elements.
Header (active in all views)
Warning symbol (only if there is a device error;
device errors are displayed in the Inst’ diagnosis
menu).
Active folder and location.
Power supply symbol:
Symbol Characteristic Symbol Characteristic
Mains operation Rech. battery operation, capacity: 26-50%
Rech. battery operation, capacity: 76-100% Rech. battery operation, capacity: 6-25%
Rech. battery operation, capacity: 51-75% Rech. battery operation, capacity: 0-5%
Function select view
Active menu, activated fuel
Function selection field:
The selected function has a grey background.
Unavailable functions are written in grey type
Scroll bar
Function keys for entering commands
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




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Settings view
Active menu
Function fields for entering commands
Scroll bar
Selection field for adjustable values:
The selected value is shown with a grey backg-
round. Unavailable values are written in grey type.
Function keys for entering commands
Measuring view
Active menu, depending on the selected function:
Additional information (e.g. activated fuel, date and
time)
Scroll bar
Display field for readings, parameters
Function keys for entering commands
C.1.4 Instrument connections
Sensor socket
Flue gas socket
Mains unit socket
Pressure socket p+
 Pressure socket p-
Gas outlet
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








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C.1.5 Interfaces
USB interface:
connection to PC
PS2 interface:
Adapter for automatic furnaces
Ir/IrDA interface
Bluetooth interface
C.1.6 Components
Rechargeable battery
Measuring gas pump
Sensor slot 1: O2
Sensor slot 2: CO, COlow, NO, NOlow, SO2
Sensor slot 3: NO, NOlow, NO2
 Sensor slot 4: CO, COlow, SO2, NO2
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C.1.7 Carrying strap
To secure the carrying strap:
1 Place the measuring instrument on its front.
2 Attach carrying strap in the fixture ().
C.2 Modular flue gas probe
Removable filter chamber with window and particle
filter
Probe handle
Connecting lead
Connecting plug for measuring instrument
Probe module release
Probe module
D. Commissioning
This chapter describes the steps required to commission the product.
Remove the protective film from the display.
The measuring instrument is supplied with a rechargeable battery already fitted.
Charge the rechargeable battery up fully before using the measuring instrument
(see Charging batteries, p. 16).
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





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E. Operation
This chapter describes the steps that have to be executed frequently when using the
product.
Please read this chapter carefully. The following chapters of this document will assu-
me you are already familiar with the content of this chapter.
E.1 Mains unit/rechargeable battery
If the mains unit is connected, the measuring instrument is automatically powered from
the mains unit. It is not possible to charge the rechargeable battery in the measuring
instrument during operation.
E.1.1 Changing the battery
The measuring instrument must not be connected to a mains socket via the mains
unit. The measuring instrument must be switched off. Change the rechargeable bat-
tery within 60 minutes, otherwise instrument settings (e.g. date/time) will be lost.
1 Place the measuring instrument on its front.
2 Loosen screws with a Philips screwdriver, release
clip in the direction of the arrow and remove ser-
vice cover.
3 Open the rechargeable battery compartment:
Press the orange key () and push in the direction
of the arrow ().
4 Remove the rechargeable battery and insert a new
one. Use only Testo 0515 0100 rechargeable bat-
teries!
5 Close the rechargeable battery compartment:
Press the orange key and push against the direc-
tion of the arrow until the rechargeable battery
engages.
6 Replace and close service cover (clip must click
in), fix with screws.
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E.1.2 Charging batteries
The rechargeable battery can only be charged at an ambient temperature of ±0...+35°C.
If the rechargeable battery has discharged completely, the charging time at room tem-
perature is approx. 5-6 hrs.
Charging in the measuring instrument
The measuring instrument must be switched off.
1 Connect the plug of the mains unit to the mains unit socket on the measuring instru-
ment.
2 Connect the mains plug of the mains unit to a mains socket.
- The charging process will start. The charge status will be shown on the display.
The charging process will stop automatically when the rechargeable battery is fully
charged.
Charging in the charger (0554 1103)
Refer to the documentation that comes with the charger.
Battery care
If possible, always discharge the rechargeable battery and recharge it fully.
Do not store the battery for long periods when discharged. (The best storage condi-
tions are at 50-80 % charge level and 10-20 °C ambient temperature; charge fully
before further use).
E.1.3 Operation with the mains unit
1 Connect the plug of the mains unit to the mains unit socket on the measuring instru-
ment.
2 Connect the mains plug of the mains unit to a mains socket.
- The measuring instrument is powered via the mains unit.
- If the measuring instrument is switched off and a rechargeable battery is inserted, the
charging process will start automatically. Switching the measuring instrument on has
the effect of stopping rechargeable battery charging and the measuring instrument is
then powered via the mains unit.
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E.2 Probes/sensors
E.2.1 Connecting probes/sensors
Sensor socket:
Sensor detection is carried out at the sensor socket during the activation process:
Always connect the sensors you need to the measuring instrument before switching
it on or switch the device on and then off again after a change of sensor so that the
correct sensor data are read into the measuring instrument.
Flue gas socket:
Probe/sensor detection at the flue gas socket is carried out continuously. It is possib-
le to change the probe/sensor even while the measuring instrument is switched on.
Connecting flue gas probes
Plug the connector onto the flue gas socket and
lock by turning it clockwise gently (bayonet lock).
There must be no more than two extension leads
(0554 1202) between the measuring instrument
and the flue gas probe.
Connecting other sensors
Insert the connector of the sensor into the sensor
socket.
Connecting the pressure tube
Connect the pressure tube/tubes to the connec-
ting nipple/nipples of the pressure socket(s).
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E.2.2 Replacing the probe module
1 Press the key on the top of the probe handle and
remove the probe module.
2 Fit a new probe module and engage it in place.
E.3 Regular care
E.3.1 Condensate trap
The fill level of the condensate trap can be read from the markings on the trap. A war-
ning message is displayed if the level in the condensate trap reaches 90% ( , red flas-
hing light).
Emptying the condensate trap
The condensate consists of a weak mix of acids. Avoid contact with the skin. Make
sure that the condensate does not run over the housing.
Condensate entering the gas path.
Damage to the sensors and flue gas pump!
Do not empty the condensate trap while the flue gas pump is in operati-
on.
1 Hold the measuring instrument so that the con-
densate outlet points up.
2 Open the condensate outlet of the condensate
trap: Push out plug maximum to the stop).
3 Let the condensate run out into a sink .
4 Mop up any remaining drops on the condensate
outlet using a cloth.
5 Close the condensate outlet.
The condensate outlet must be completely closed
(marking), otherwise measuring errors could occur
if external air gets in.
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E.3.2 Checking/replacing the particle filter
Checking the particle filter:
Check the particle filter of the modular flue gas
probe for contamination at regular intervals: Check
visually by looking through the window of the filter
chamber.
Replace the filter if there are signs of contamination
Replacing the particle filter:
The filter chamber may contain condensate
1 Open the filter chamber by turning it gently anti-
clockwise.
2 Remove the filter plate and replace it with a new
one (0554 3385).
3 Fit the filter chamber again and close it by turning it
gently clockwise.
E.4 Basic operating steps
E.4.1 Switching the measuring instrument on
.
- The start screen is displayed (for about 5 s).
- Display light is switched on for 10 s.
Option:
To go directly to a measurement while the start screen is being displayed, press
the function key for the desired measurement. See also Start keys edit, p. 29.
- The
Measurements menu is opened.
-or-
- If the power supply was interrupted for a longer period: the Date / Time menu is ope-
ned.
-or-
- There is a device error: The Error diagnosis is displayed.
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E.4.2 Calling up the function
Functions which cannot be selected because the required sensor/probe is not
connected are shown in grey type.
1 Select function: , .
- The selected function is shown with a grey background.
2 Confirm selection: OK .
- The selected function is opened.
E.4.3 Entering values
Some functions require values (numbers, units, characters) to be entered. Depending
on the function that is selected, the values are entered via either a list field or an input
editor.
List field
1 Select the value to be changed (number, unit):
, .
2 Adjust the value: , .
3 Repeat steps 1 and 2 as required.
4 Confirm the input: OK .
5 Save the input: OK Save inputOK .
Input editor
1 Select value (character): , , , .
2 Accept the value: OK .
Options:
Switch between uppercase/lowercase letters:
A <=> a (not always available).
Delete character: <=.
To position the cursor in the text: Select the text
input field: , and position the cursor:
, .
To delete character in front of the cursor:
Del .
3 Repeat steps 1 and 2 as required.
4 Save the input: OK Save inputOK .
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