testo 350 – Analysis Box for exhaust gas analysis systems

Order-Nr : 0632 3510

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‘- 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

– Automatic processing of measuring programmes over a longer period

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.

Description

Product Description

Ideal for professional exhaust gas analysis and industrial emission measurements. The testo 350 exhaust gas analyzer is a rugged piece of kit designed to meet the demands of a variety of different measuring and analysis applications. It is also excellently suited for complex data compilation.

The testo 350 exhaust gas analyzer is made up of two separate units

  • The testo 350 Control Unit (separate product) is used to control emission measurements. It has a clearly structured graphic display and is especially easy to use. There are four different applications in the menu to choose from: burner, gas turbine, motors and user-defined applications. The instructions on the display guide you through the measurement and make the steps leading up to the start of the measurement easier. This saves both time and hassle. The Control Unit can also be used to remote control the Analysis Box when it is not positioned at the exhaust gas pipe or measurement site. This is especially advisable when carrying out work on larger systems.
  • The testo 350 Analysis Box contains the sensor system and the electronics that are needed to perform emission measurements. The Analysis Box comes standard equipped with an O2 gas sensor. You will, however, need to connect at least one more sensor (max. six) to operate the Box. Optional sensors include gas sensors for CO, CO2, NO, NO2, SO2, H2S and CxHy.

    The increased measuring range allows you to carry out unlimited measurements even when gas concentrations are high. The increased measuring range (thinning) is automatically activated when gas concentrations are unexpectedly high. The measuring range of a selected sensor can be increased by a certain factor. An opening on the underside of the analyzer gives you access to all the relevant service and wearing parts, i.e. pumps and filters, which can easily be cleaned or replaced.  The testo 350 also has numerous diagnosis functions with easy-to-understand readings and information. The exhaust gas analyzer constantly displays the current reading.

    The Analysis Box can be controlled by the Control Unit. It can, however, also be operated directly via USB, Bluetooth® 2.0 or CANCase from a PC or notebook. After the Analysis Box has been programmed, it can carry out measurements independently and save the results. It can also transfer the data directly to the Control Unit.

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

opt. when equipped with IR sensor

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
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 +9.99 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
Dimensions 330 x 128 x 438 mm
Operating temperature -5 to +45 °C
Housing ABS
Protection class IP40
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
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
Max. humidity load 70 °C dewpoint temperature
Dewpoint calculation 0 °Ctd; 99 °Ctd
Max. dust load 20 g/m³ dust in flue gas
Max. neg. press./flue gas -300 mbar
Max. pos. press./flue gas 50 mbar
Hose length 16.2 m (corresponds to 5 probe hose extensions)
Pump flow 1 l/min. with through-flow monitoring
Maximum 250,000 readings
Storage temperature -20 to +50 °C
Weight 4800 g

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Additional information

Brands

Testo

Order No

0632 3510