testo 350 – Analysis Box for exhaust gas analysis systems

  • Increased measurement range for unlimited measurements even when gas concentrations are higher
  • Easy-to-change gas sensors and easy access to wearing parts
  • Sealed housing with built-in impact protection for use in harsh conditions
  • Easy operation of the analyzer unit via Control Unit or easyEmission software (both products available separately)

 

The testo 350 is a rugged, easy-to-use exhaust gas analyzer designed to meet the highest demands when it comes to carrying out precise industrial emission measurements and providing proper data administration. The Analysis Box can be operated with up to 6 gas sensors, 5 of which are optional. This allows you to select freely from sensors for CO, NO, NO2, SO2, H2S, CxHy and CO2.

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Description

Details

Product Description
Ideal for professional flue gas analysis and industrial emissions measurement on industrial engines, burners, gas turbines and in thermal processes: the testo 350 flue gas analyzer performs a variety of measuring and analysis tasks, impresses over the long term thanks to its heavy-duty industrial design and is also suitable for complex data acquisition.

The testo 350 flue gas analyzer comprises two units
  • The testo 350 Control Unit (separate product) with a clear graphic display, allows you to control emissions measurement. Operation is really easy: burner, gas turbine, engine and user-defined applications are available for selection in the menu. The Control Unit enables remote control of the analyzer unit even when there is a spatial separation of the flue gas pipe and the setting location – particularly recommended for emissions measurements on large plants.
  • The testo 350 analyzer unit is just what you need for carrying out emissions measurement, because it contains all the sensor technology and electronics. The testo 350 analyzer unit includes an O2 gas sensor as standard, but at least one additional sensor must be connected for commissioning (can be used with a maximum of 6 sensors). When connecting the optional sensors, you can choose between gas sensors for CO, CO2, NO, NO2, SO2, H2S or CxHy.The measuring range extension enables unrestricted measurements to be carried out, even when there are high gas concentrations. In order to protect the sensor technology, the measuring range extension (dilution) is automatically activated when there are unexpectedly high gas concentrations. The measuring range of a selected sensor can be extended by a specific factor. The service opening on the underside of the instrument allows fast access to all relevant serviceable and wearing parts, such as pumps and filters, enabling users to clean or replace these. In addition, the testo 350 has numerous instrument diagnosis functions. Instrument notifications are output in cleartext, making them easy to understand. The current status of the flue gas analyzer is constantly displayed.
    Using the testo 350 analyzer unit

    The analyzer unit can be operated with the Control Unit and it can also be used in direct combination with a PC/notebook and the easyEmission software (via USB, Bluetooth® 2.0 or CANCase). After programming, the analyzer unit can carry out measurements and save the results autonomously. It is also possible to display or transmit the measurement data from the analyzer unit to the Control Unit or software.

    To send the measurement report straight away, you can also use our free App which turns your Android smartphone or tablet into a display device for the analyzer unit.

Delivery Scope

testo 350 analyzer unit, equipped with O2, including differential pressure sensor, temperature probe input type K NiCr-Ni and type S, Pt10Rh-Pt, Testo data bus connection, rechargeable battery, integrated combustion air probe (NTC), trigger input, measurement data memory, USB interface, carrying strap kit and calibration protocol.Please note: The testo 350 analyzer unit can only be used in combination with the testo 350 Control Unit or the “easyEmission” software. These items are available separately.

Technical Data

Temperature – NTC
Measuring range -20 to +50 °C
Accuracy ±0.2 °C (-10 to +50 °C)
Resolution 0.1 °C (-20 to +50 °C)

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

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

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

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

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

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

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