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General| CO measurement range | 0 to 10, 000 ppm |
|---|---|
| NO measurement range | 0 to 3, 000 ppm |
| NO2 measurement range | 0 to 500 ppm |
| SO2 measurement range | 0 to 5, 000 ppm |
| Resolution CO | 1 ppm |
| Resolution NO | 1 ppm |
| Resolution SO2 | 1 ppm |
| Resolution H2 | 1 ppm |
| Resolution Differential Pressure | 0.01 hPa |
| Resolution Flow Velocity | 0.1 m/s |
| Resolution Temperature | 0.1 °C |
| Power Supply | Rechargeable battery |
| Protection Class | IP40 |
| Measurement Parameters | O2, CO, NO, NO2, SO2, CO2, CxHy, Temperature, Draft, Pressure |
| O2 measurement range | 0 to 25% |
| Temperature measurement range | -20 to 1, 200 °C |
| Resolution CO2 | 0.1% |
| Accuracy CO | ±5 ppm or ±5% of reading |
| Accuracy NO | ±5 ppm or ±5% of reading |
| Accuracy NO2 | ±5 ppm or ±5% of reading |
| Accuracy SO2 | ±5 ppm or ±5% of reading |
| Accuracy O2 | ±0.2% |
| Accuracy CO2 | ±0.5% |
| Accuracy H2 | ±5 ppm |
| Accuracy Differential Pressure | ±0.03 hPa |
| Accuracy Temperature | ±0.5 °C |
| Display | LCD |
| Operating Temperature | -5 to +45 °C |
| Storage Temperature | -20 to +50 °C |
Explains symbols used in the manual for warnings, text, and keys.
Describes the short form notation used for operating steps.
Warning against measuring on or near live parts to prevent electrical hazards.
Instructions for storing the instrument to prevent damage from solvents or desiccants.
Guidelines for safe operation and proper handling to maintain warranty.
Information on the proper disposal of rechargeable batteries and the instrument.
Describes the professional flue gas analysis tasks for which the testo 340 is intended.
Provides a visual overview and identification of the testo 340 measuring instrument's components.
Details the functions assigned to each key on the instrument's keypad.
Explains the elements displayed on the instrument's screen, including header and function select views.
Identifies and describes the various sockets and connections on the instrument.
Details the available interfaces for connecting the instrument to other devices.
Lists and illustrates the internal components of the measuring instrument.
Instructions on how to attach and secure the carrying strap to the instrument.
Describes the components and features of the modular flue gas probe.
Information on using the mains unit and handling the rechargeable battery.
Step-by-step guide for replacing the rechargeable battery in the instrument.
Instructions on how to charge the rechargeable battery, both in the instrument and in the charger.
Explains how the instrument operates when connected to the mains unit.
Details on probes and sensors, including connection procedures.
Guidance on correctly connecting flue gas probes and other sensors to the instrument.
Instructions for removing and installing a new probe module.
General advice for maintaining the instrument's condition.
Details on how to check, empty, and maintain the condensate trap.
Procedures for inspecting and replacing the particle filter in the flue gas probe.
Covers fundamental operations like powering on and navigating menus.
Explains how to power on the testo 340 and what to expect on the display.
Instructions on how to navigate the menus and select specific functions.
Describes methods for inputting values using list fields and input editors.
Instructions on how to print measurement data from the instrument.
Details on how to save measurement data using the instrument's functions.
Guidance on how to acknowledge and interpret error messages displayed by the instrument.
Procedure for safely powering down the testo 340, noting unsaved data loss.
Covers functions for storing and organizing measurement data.
Information on creating, ordering, and editing folders for data management.
Instructions for creating, activating, restoring, deleting, and setting locations.
Details on printing and deleting measurement protocols.
Describes functions related to displaying, printing, and deleting memory contents.
Tools for checking instrument status and troubleshooting issues.
Steps for conducting a gas path check to ensure no leaks in the system.
How to access and view diagnostic information on device errors.
Procedure for checking the status and diagnosis of individual sensors.
Allows setting parameters and units for display representation and instrument configuration.
Customizing the display by setting parameters, units, and the number of readings shown.
Configuration options for setting print text headers, footers, and selecting a printer.
Assigning functions to the instrument's start screen keys for quick access.
Configuring the automatic instrument shut-off feature based on inactivity.
Setting up communication interfaces like IR, IrDA, and Bluetooth.
Procedure for setting the instrument's current date and time.
Option to select the desired menu language for the instrument.
Options for configuring sensor-specific parameters and protection.
Adjusting NO2 addition levels and sensor protection settings.
Configuring sensor protection thresholds to prevent overloads and extend sensor life.
Viewing and managing the ppm/hour counter for sensors with exchangeable filters.
Accessing calibration data and sensor status information, including graphics.
Detailed steps and conditions for recalibrating sensors with test gases.
Options for selecting fuels and adjusting their specific coefficients.
Process for selecting and activating a specific fuel type for measurements.
Adjusting fuel-specific coefficients or resetting them to default values.
Explains ambient air, gas, and draught/pressure zeroing procedures.
Instructions for checking and aligning the modular flue gas probe.
Setting up the display to show required parameters and units.
Guidance on selecting the measurement location and fuel before starting measurements.
Describes the three main flue gas measurement functions and their capabilities.
Details on changing, saving, running, and printing flue gas measuring programs.
Instructions for performing draught measurements, including positioning the probe.
Recording smoke tester numbers and heat carrier temperatures for oil fuels.
Procedure for measuring gas flow rate and its related calculations.
Instructions for measuring oil flow rate and its associated calculations.
Measuring flow speed using a Pitot tube and setting relevant parameters.
Performing pressure measurements, including safety warnings for gas heaters.
Reading status data and malfunction reports from automatic furnaces.
Displays current data from automatic furnaces using symbols.
Options for printing identification and failure statistic data.
Accessing failure reports stored in the automatic furnace's circular buffer memory.
Instructions for transferring data to a Testo protocol printer via IR or Bluetooth.
Guidelines for cleaning the instrument's housing using appropriate materials.
Step-by-step instructions for replacing sensors, including handling auxiliary circuit boards.
Procedures for replacing filters in specific sensors, including precautions.
Reference to the Sensor settings section for recalibration procedures.
Instructions for cleaning the flue gas probe and its components.
Details on how to unscrew and replace the preliminary filter in probe modules.
Step-by-step guide for removing and installing a new thermocouple.
Troubleshooting common issues related to the instrument powering off or failing to turn on.
Addresses the 'Pump flow rate too high' failure report and its possible causes.
Troubleshooting steps for when the instrument cannot print data.
Information on compliance with directives and standards, and product approval status.
Detailed table of measuring ranges, accuracies, and resolutions for various parameters.
Information on the expected lifetime of filters for specific sensors.
Lists other important instrument characteristics like operating temperature, power, and dimensions.
Details regarding Bluetooth functionality, including designation, range, and certifications.
Official declaration confirming the product's compliance with relevant EU directives and standards.
Table of fuel-specific parameters used in calculations, including CO2 max and O2 ref.
Presents formulae for calculating various parameters like Poison Index, Excess Air, and Flow speed.
Formulae for calculating mass flow rates for CO, NOx, and SO2.
Provides conversion formulae for CO, NOx, and SO2 from ppm to mg/m3.
Lists various modular flue gas probes with their specifications and article numbers.
Details probe shafts, extension leads, and filter accessories.
Lists spare filters for specific sensor types.
Lists retrofitting kits for Bluetooth and sensor dilution options.
Lists additional accessories such as printers, cables, and software.
Overview of flue gas measurement tasks and their corresponding call/function paths.
Summary of memory functions including folder and location management.
Overview of settings for the instrument's display configuration.
Summary of sensor setting options including NO2 addition and sensor protection.
Overview of the recalibration process for sensors.
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