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Testo 350 Industrial Flue Gas Analyser – Fully Configurable

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06323511
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The Testo 350 Industrial Flue Gas Analyser is a gas exhaust analyser comprised of two parts:

  • 1x Testo 350 Control Unit
  • 1x Testo 350 Analysis Box

Designed for conducting industrial emissions measurements in the field, the Testo 350 Industrial Flue Gas Analyser can be used to analyse emissions from:

  • Industrial motors
  • Burners
  • Gas turbines
  • Thermo-processes

Testo 350 Control Unit Overview

The Testo 350 Control Unit controls emissions measurements. It can be used to operate the Testo 350 Analysis Box remotely which is particularly useful when working on larger systems. Via the clearly structured graphic display, you can choose one of four different application modes: burner, gas turbine, motors, or user-defined. Once the operating mode has been selected, the Testo 350 Control Unit will guide you through the measurement process, improving the ease, efficiency, and convenience of testing.

Testo 350 Analysis Box Overview

The Testo 350 Analysis Box contains the sensors required for measuring emissions. As standard the Testo 350 Analysis Box includes an oxygen (O2) sensor; however, you can choose to configure the tester with up to five more sensors. Select from:

  • Carbon Monoxide (CO): 0-10000ppm
  • Carbon Dioxide (CO2): 0-500ppm
  • Nitrogen Oxide (NO): 0-4000ppm
  • Low Range Nitrogen Oxide (NOlow): 0-300ppm
  • Nitrogen Dioxide (NO2): 0-500ppm
  • Sulphur Dioxide (SO2): 0-5000ppm
  • Hydrogen Sulphide (H2S): 0-300ppm
  • Hydrocarbons (CxHy)

The Testo 350 Analysis Box always displays the current reading. When high gas concentrations are detected, a measuring range extension function is automatically activated enabling unlimited measurement. Additionally, the Testo 350 Analysis Box offers an array of diagnostics functions that deliver easy-to-understand readings and information.

Additionally, this ergonomically designed flue gas analyser features an underside opening that provides convenient access to pumps and filters, enabling easy replacement and/or cleaning in the field. Other practical features include USB, Bluetooth or CANCase interfaces that support operation from devices other than the Testo 350 Control Unit such as a PC or notebook.  

Furthermore, once the Testo 350 Analysis Box has been programmed, it can be left to carry out the required tests independently and save the results. These results may be transferred directly to the Testo 350 Control Unit.

Testo 350 Industrial Flue Gas Analyser Key Features

  • A gas exhaust analyser comprised of a Testo 350 Control Unit and Testo 350 Analysis Box
  • Conduct industrial emissions measurements in the field
  • Analyse emissions from industrial motors, burners, gas turbines, and thermo-processes
  • Operate the analysis box remotely via the control unit
  • Choose from burner, gas turbine, motor, or user-defined operating modes
  • Guides you through the measurement process
  • Provided with an oxygen sensor (O2)
  • Choose up to five more sensors: CO, CO2, NO, NOlow, NO2, SO2, H2S, CxHy
  • Always displays the current reading
  • The measuring range extension function automatically activates when high gas concentrations are detected
  • Diagnostics functions
  • Underside opening provides convenient access to pumps and filters
  • USB, Bluetooth, and CANCase interfaces
  • Conducts tests and saves results independently

What’s Included?

  • Testo 350 Control Unit
  • Testo 350 Analysis Box with Your Choice of Sensors
  • Batteries
  • Carrying Strap
Part Code0632 3511l

Testo 350 Analysis Box Technical Specifications 

Temperature - NTC
Measuring range -20 to +50 °C
Accuracy ±0.2 °C (-10 to +50 °C)
Resolution 0.1 °C (-20 to +50 °C)
Note Ambient temperature probe
Temperature - TC Type K (NiCr-Ni)
Measuring range -200 to +1370 °C
Accuracy

±0.4 °C (-100 to +200 °C)

±1 °C (-200 to -100.1 °C)

±1 °C (200.1 to +1370 °C)

Resolution 0.1 °C (-200 to +1370 °C)
Temperature - TC Type S (Pt10Rh-Pt)
Measuring range 0 to +1760 °C
Accuracy ±1 °C (0 to +1760 °C)
Resolution 0.1 °C (0 to +1760 °C)
Differential Pressure - Piezoresistive
Measuring range

-40 to +40 hPa

-200 to +200 hPa

Accuracy

±1.5 % of mv (-40 to -3 hPa)

±1.5 % of mv (+3 to +40 hPa)

±0.03 hPa (-2.99 to +2.99 hPa)

±1.5 % of mv (-200 to -50 hPa)

±1.5 % of mv (+50 to +200 hPa)

±0.5 hPa (-49.9 to +49.9 hPa)

Resolution

0.01 hPa (-40 to +40 hPa)

0.1 hPa (-200 to +200 hPa)

Absolute Pressure
Measuring range 600 to +1150 hPa
Accuracy ±10 hPa
Resolution 1 hPa
Flue gas O₂
Measuring range 0 to +25 Vol.%
Accuracy ±0.8% of fsv (0 to +25 Vol.%)
Resolution 0.01 Vol.% (0 to +25 Vol.%)

Reaction time t₉₀

20 s (t₉₅)
Flue gas CO (with H₂-compensation)
Measuring range 0 to +10000 ppm
Accuracy

±5 % of mv (+200 to +2000 ppm)

±10 % of mv (+2001 to +10000 ppm)

±10 ppm (0 to +199 ppm)

Resolution 1 ppm (0 to +10000 ppm)
Reaction time t₉₀ 40 s
Note H₂ only as an indicator
Flue gas COlow (with H₂-compensation)
Measuring range 0 to 500 ppm
Accuracy

±5 % of mv (+40 to +500 ppm)

±2 ppm (0 to +39.9 ppm)

Resolution 0.1 ppm (0 to +500 ppm)
Reaction time t₉₀ 40 s
Note  H₂ only as an indicator
Flue gas NO
Measuring range 0 to +4000 ppm
Accuracy

±5 % of mv (+100 to +1999 ppm)

±10 % of mv (+2000 to +4000 ppm)

±5 ppm (0 to +99 ppm)

Resolution 1 ppm (0 to +4000 ppm)
Reaction time t₉₀ 30 s
Flue gas Nolow
Measuring range 0 to +300 ppm
Accuracy

±5 % of mv (+40 to +300 ppm)

±2 ppm (0 to +39.9 ppm)

Resolution ±0.1 ppm (0 to +300 ppm)
Reaction time t₉₀ 30 s
Flue gas NO₂
Measuring range 0 to +500 ppm
Accuracy

±5 % of mv (+100 to +500 ppm)

±5 ppm (0 to +99.9 ppm)

Resolution 0.1 ppm (0 to +500 ppm)
Reaction time t₉₀ 40 s
Flue gas SO₂
Measuring range 0 to +5000 ppm
Accuracy

±5 % of mv (+100 to +2000 ppm)

±10 % of mv (+2001 to +5000 ppm)

±5 ppm (0 to +99 ppm)

Resolution 1 ppm (0 to +5000 ppm)
Reaction time t₉₀ 30 s
Flue gas degree of effectivity, Eta (calculated)
Measuring range 0 to +120 %
Resolution 0.1 % (0 to +120 %)
Flue gas loss (calculated)
Measuring range 0 to +99.9 %
Resolution 0.1 % (0 to +99.9 %)
Flue gas dewpoint (calculated)
Measuring range 0 to +99.9 °Ctd
Resolution 0.1 °Ctd (0 to +99.9 °Ctd)
Flue gas CO₂ calculation (calculated from O₂)
Measuring range 0 to CO₂ max
Accuracy calculated from O₂ ±0.2 Vol.%
Resolution 0.01 Vol.%
Flue gas H₂S
Measuring range 0 to +300 ppm
Accuracy

±5 % of mv (+40 to +300 ppm)

±2 ppm (0 to +39.9 ppm)

Resolution 0.1 ppm (0 to +300 ppm)
Reaction time t₉₀ 35 s
Flue Gas CO2 - NDIR
Measuring range 0 to +50 Vol.%
Accuracy

±0.3 Vol.% + 1 % of mv (0 to 25 Vol.%)

±0.5 Vol.% + 1.5 % of mv (>25 to 50 Vol.%)

Resolution

0.01 Vol.% (0 to 25 Vol.%)

0.1 Vol.% (> 25 Vol.%)

Reaction time t₉₀ 10 s
Velocity / Volume flow
Measuring range 0 to +40 m/s
Resolution 0.1 m/s (0 to +40 m/s)
Methane (CH₄)
Measuring range 100 to 40000 ppm
Accuracy

< 400 ppm (100 to 4000 ppm)

< 10 % of mv (> 4000 ppm)

Resolution 10 ppm
Min. O₂ requirement in flue gas 2 % + (2 x mV methane)
Reaction time t₉₀ < 40 s
Response factor 1
Note  Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.
Propane (C₃H₈)
Measuring range 100 to 21000 ppm
Accuracy

< 400 ppm (100 to 4000 ppm)

< 10 % of mv (> 4000 ppm)

Resolution 10 ppm
Min. O₂ requirement in flue gas 2 % + (5 x mV propane)
Reaction time t₉₀ < 40 s
Response factor 1.5
Note  Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.
Butane (C₄H₁₀)
Measuring range 100 to 18000 ppm
Accuracy

< 400 ppm (100 to 4000 ppm)

< 10 % of mv (> 4000 ppm)

Resolution 10 ppm
Min. O₂ requirement in flue gas 2 % + (6.5 x mV butane)
Reaction time t₉₀ < 40 s
Response factor 2
Note  Lower explosion limit (LEL) must be adhered to.
The HC sensor is adjusted to methane ex-works. It can be adjusted to a different gas (propane or butane) by the user.
General Technical Data
Weight 4800 g
Dimensions 330 x 128 x 438 mm
Operating temperature -5 to +45 °C
Product-/housing material ABS
Protection class IP40
Connectable probes 1 x combustion air temperature probe; 1 x flue gas probe; 1 x temperature probe; 1 x differential pressure
Product colour Black
Battery type lithium batteries
Battery life 5 h
Power supply AC mains unit 100V to 240V (50 to 60 Hz)
DC electric tension input 11V to 40V
Pump flow 1 l/min. with through-flow monitoring
Hose length 16.2 m (corresponds to 5 probe hose extensions)
Max. pos. press./flue gas 50 mbar
Max. neg. press./flue gas -300 mbar
Max. dust load 20 g/m³ dust in flue gas
Dewpoint calculation 0 °Ctd; 99 °Ctd
Max. humidity load 70 °C dewpoint temperature
Trigger input Voltage 5 to 12 Volt (rising or trailing edge) pulse width > 1 sec load: 5 V/max, 5 mA, 12 V/max. 40 mA
Maximum memory 250,000 readings
Interface data bus; Bluetooth®; USB; IR/IRDA interface; Mains connection; trigger input; Differential Pressure; probe input/ probe inputs; DC-voltage input; dilution gas inlet for measurement range extension
Storage temperature -20 to +50 °C

Testo 350 Control Unit

Weight 440 g
Dimensions 88 x 38 x 220 mm
Operating temperature -5 to +45 °C
Product-/housing material TPE PC
Protection class IP40
Product colour Black
Battery type Lithium-Ion rechargeable battery pack, 2600 mAh, 3.7 V
Battery life 5 h (without wireless connection)
Display type graphic Display
Display size 240 x 320 pixels
Display function Colour graphic display
Maximum memory 2 MB (250,000 meas. values)
Interface Bluetooth®; IR/IRDA interface; USB 2.0; data bus; Mains connection
Storage temperature -20 to +50 °C

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