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    Indoor air quality

    70 Products
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    testo 535 - Digital CO2 measuring instrument with App connection
    Simple, fast and precise measurement of COâ‚‚ concentration
    Audible alarm sounds if a limit value is exceeded
    Order no.0563 0535 01
    $ 505.75
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    testo 400 - Universal Air Flow and IAQ Instrument
    A measuring instrument for all climate-related parameters
    Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55
    Order no.0560 0400
    $ 1,855.00
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    testo 400 IAQ and comfort kit with tripod
    A measuring instrument for all climate-related parameters
    Standard-compliant determination of the comfort level: PMV and PPD as well as draught and turbulence as per EN ISO 7730 and ASHRAE 55
    Order no.0563 0401
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    testo 440 - CO2 kit with Bluetooth
    A measuring instrument for all climate-related parameters
    Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of COâ‚‚ concentration, humidity and air temperature in indoor areas
    Order no.0563 4405
    $ 959.65
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    testo 440 - Indoor comfort ComboKit with Bluetooth
    A measuring instrument for all climate-related parameters
    Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of COâ‚‚ concentration, humidity, air temperature and degree of turbulence in workplaces
    Order no.0563 4408
    $ 2,057.00
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    testo 440 - Air velocity and IAQ measuring instrument
    A measuring instrument for all climate-related parameters
    Extendible with a wide range of probes
    Order no.0560 4401
    $ 583.00
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    testo 440 dP - Air velocity and IAQ measuring instrument with differential pressure sensor
    A measuring instrument for all climate-related parameters
    Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters
    Order no.0560 4402
    $ 710.00
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    testo 315-3 - CO and CO2 meter for ambient measurements
    High-precision electrochemical CO sensor, shock resistant infrared CO2 sensor
    Visual and audible alarm when thresholds are breached – adjustable thresholds
    Order no.0632 3153
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    Surface Probe Short Term Range - Surface Probe Short Term Range
    Fast response time (3 seconds) thanks to the thermocouple strip
    Thermocouple type K
    Order no.0602 0393
    $ 216.00
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    Temperature probe kit - with air probe, immersion/penetration probe and surface probe (TC type K)
    With 3 temperature probes (TC type K, class 1), wireless and without a handle, compatible with all Testo and standard TC type K measuring instruments
    Ideal for temperature measurements in a wide range of applications
    Order no.0602 5093
    $ 194.00
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    Waterproof Immersion Probe
    Thermocouple type K
    Response time of 7 seconds
    Order no.0602 1293
    $ 78.00
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    Humidity/temperature probe
    Humidity sensor with long-term stability
    Temperature measuring range: -20 to +70 °C
    Order no.0636 9735
    $ 613.00
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