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    TESTO 350 Portable Emission Analyzer

    # 350

    • Increased measurement range for unlimited measurements, even when gas concentrations are higher
    • Easy to change gas sensors / easy to access parts
    • Sealed housing / built in impact protection
    TESTO
    • TESTO
    • 350
    • Increased measurement range for unlimited measurements, even when gas concentrations are higher
    • Easy to change gas sensors / easy to access parts
    • Sealed housing / built in impact protection
    • Auto processing of programs over a longer period
    Temperature – NTC
    Measuring range -4° to 122 °F / -20 to +50 °C
    Accuracy ±0.4 °F (14° to 122 °F) / ±0.2 °C (-10 to +50 °C)
    Resolution 0.1 °F (-4° to 122 °F) / 0.1 °C (-20 to +50 °C)

    Ambient temperature probe

    Temperature – Type K TC
    Measuring range -328.0° to 2498.0 °F / -200 to +1370 °C
    Accuracy ±0.7 °F (-148.0° to 392.0 °F) / ±0.4 °C (-100 to +200 °C)

    ±1.8 °F (-328.0° to -148.2 °F)

    ±1.8 °F (392.2° to 2498.0 °F) / ±1 °C (200.1 to +1370 °C)

    Resolution ±0.1 °F (-328.0° to 2498.0 °F) / 0.1 °C (-200 to +1370 °C)
    Temperature – TC Type S (Pt10Rh-Pt)
    Measuring range 32.0° to 3200.0 °F / 0 to +1760 °C
    Accuracy ±1.8 °F (32.0° to 3200.0 °F) / ±1 °C (0 to +1760 °C)
    Resolution ±0.1 °F (32.0° to 3200.0 °F) / 0.1 °C (0 to +1760 °C)
    Differential Pressure
    Measuring range -16 to +16 InH₂O / -40 to +40 hPa

    -80 to +80 InH₂O / -200 to +200 hPa

    Accuracy ±1.5 % of mv (-16 to -1 InH₂O) / ±1.5 % of mv (-40 to -3 hPa)

    ±1.5 % of mv (+1 to +16 InH₂O) / ±1.5 % of mv (+3 to +40 hPa)

    ±0.01 InH₂O (-1.20 to +1.20 InH₂O) / ±0.03 hPa (-2.99 to +2.99 hPa)

    ±1.5 % of mv (-80 to -20 InH₂O) / ±1.5 % of mv (-200 to -50 hPa)

    ±1.5 % of mv (+20 to +80 InH₂O) / ±1.5 % of mv (+50 to +200 hPa)

    ±0.2 InH₂O (-20.0 to +20.0 InH₂O) / ±0.5 hPa (-49.9 to +49.9 hPa)

    Resolution 0.01 InH₂O (-16 to +16 InH₂O) / 0.01 hPa (-40 to +40 hPa)

    0.1 InH₂O (-80 to +80 InH₂O) / 0.1 hPa (-200 to +200 hPa)

    Absolute Pressure
    Measuring range 240 to +460 InH₂O / 600 to +1150 hPa
    Accuracy ±4 InH₂O / ±10 hPa
    Resolution 1 InH₂O / 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 sec (t95)
    Flue gas CO
    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 sec

    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 sec

    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 sec
    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 sec
    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 sec
    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 sec
    Efficiency (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 sec
    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 sec
    Velocity / Volume flow
    Measuring range 0 to +7874 fpm / 0 to +40 m/s
    Resolution 19.7 fpm (0 to +7874 fpm) / 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 sec
    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 sec
    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 sec
    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 169 oz. / 4800 g
    Dimensions 13 x 5 x 17 in. / 330 x 128 x 438 mm
    Operating temperature 23.0° to 113.0 °F / -5 to +45 °C
    Housing ABS
    Protection class IP40
    Product colour Black
    Connectable probes 1 x combustion air temperature probe; 1 x flue gas probe; 1 x temperature probe; 1 x differential pressure
    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
    Dewpoint calculation 0 °Ctd; 99 °Ctd
    Max. dust load 20 g/m³ dust in flue gas
    Max. neg. press./flue gas -4.351 psi / -300 mbar
    Max. pos. press./flue gas 0.725 psi / 50 mbar
    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
    Hose length 16.2 m (corresponds to 5 probe hose extensions)
    Pump flow 1 l/min. with through-flow monitoring
    Maximum 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 -4.0° to 122.0 °F / -20 to +50 °C

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