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Multi-function Climate Measuring Instrument

Multi-function Climate Measuring Instrument

Multi-function climate measuring instrument, Model no. [VAC-435-3]
Absolute pressure range: 0 to 2000 hPa
Differential pressure range: 0 to 25 hPa
Temperature measurement range: -200 °C to +1370 °C for TC Type K (NiCr-Ni)
CO2 measurement range: 0 to +10000 ppm CO2


VSKU: 1010000155

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    Multi-function climate measuring instrument for VAC systems

    Multi-function climate measuring instrument [VAC-435-3] is equipped with an integrated differential pressure sensor which helps to check the quality of filters in an HVAC system. It also comes with several other measuring capabilities and probe support for carrying out measurements like indoor air quality assessment and flow measurements in ducts. The device is powered by AA batteries and has long battery life. It has a backlit LCD panel and intuitive user interface for easy operation. It supports wireless probes for remote measurements.


    1. It is used to check the filters in VAC systems using differential pressure measurement with the help of an optional pitot tube.

    2. It is used for measuring the amount of heat radiated.

    3. It is used to monitor air and surface temperature.

    4. It is used to sense even small quantities of CO in ambient air with the help of the ambient CO probe.

    5. It is used for measuring airflow in VAC ducts with the help of a pitot tube.

    6. It can be used to determine air temperature and humidity in VAC grids.

    7. It is used to assess indoor air quality by measuring the concentration of CO2 and several other parameters.

    8. It is used to determine the volumetric airflow at the outlet of ducts.


    1. It is IP54 water-resistant certification.

    2. It is powered by AA type batteries.

    3. It supports a wide range of high-quality probes to be used with it for measuring temperature, CO2, humidity, etc.

    4. It has an LCD panel with backlight for visibility in the dark.

    5. The optional probes comply with industrial requirements.

    6. It has wireless probe support for remote measurement applications.

    7. The measured values can be printed using the testo fast printer.

    8. It can calculate and display dew point.

    9. It supports an IAQ sensor air quality assessment by measuring parameters like CO2 concentration, temperature, humidity and absolute pressure to measure radiation heat.

    10. A lux sensor is connected to the instrument to measure illumination.

    11. It has an integrated differential pressure sensor.

    12. It has magnets on the back for hands-free work.


    1. It has a large backlit LCD display.

    2. It has an internal piezoresistive sensor for differential pressure measurement with a measuring range of 0 to +25 hPa and overload value of 200 hPa.

    3. The piezoresistive sensor has an accuracy of ± 0.02 hPa (0 to +2 hPa) and ± 1 % of mv (Remaining Range) with a resolution of 0.01 hPa.

    4. It can perform air velocity measurements with hot wire anemometer at a resolution of 0.01 m/s in the range 0 to +20 m/s.

    5. The vane anemometer is useful for air velocity measurement within 0 to +60 m/s.

    6. The resolutions of the vane anemometer are 0.1 m/s for 16 mm vane and 0.01 m/s for 60 + 100 mm vane.

    7. The IAQ probe is used for ambient COmeasurement in the range of 0 to 10000 ppm with a resolution of 1 ppm CO2.

    8. It uses AA batteries as the power source.

    9. The battery life for typical vane measurements is 200 hours.

    10. It does absolute pressure measurements from 0 to 2000 hPa with an accuracy of ± 5 hPa and a resolution of 0.1 hPa.

    11. It has an IP54 water resistance certificate.

    12. It uses a variety of probes like NTC, TC Type T (Cu-CuNi) and TC Type K(NiCr-Ni) probes for temperature measurements.

    13. The NTC probe measures temperature from -50 to +150 °C with a resolution of 0.1 °C.

    14. The TC Type K probe has a wide measurement range of -200 to+1370 °C with a resolution of 0.1 °C and accuracy of ± (0.3 °C + 0.1 % of mv) and ± (0.2 °C + 0.5 % of mv) (remaining range).

    15. The TC Type T probe is used for measurements in range of -200 to+400 °C with a resolution of 0.1 °C and accuracy of ± (0.3 °C + 0.1 % of mv) and ± (0.2 °C + 0.5 % of mv) (remaining range).

    16. It uses a capacitive humidity sensor to make humidity measurements from 0 to 100 %RH with a resolution of 0.1 %RH.

    17. The weight of the instrument is 428 g.

    18. It has dimensions of 220 X 74 X 46 mm.

    19. It has a housing made of ABS, TPE and metal for rugged applications.

    20. It has an operating temperature range between -20 °C and +40 °C.

    21. The recommended storage temperature range of the device is -30 °C and +70 °C.

    We supply these multi-function climate measuring instruments for checking filters in VAC systems in the USA, UK, Germany, France, Netherlands, Spain, Switzerland, Sweden, and other European countries. Also, we supply these for air quality assessment in VAC ducts in the Middle East and other Asian countries including India, Pakistan, Afghanistan, Bangladesh, Singapore, etc.

    Our African offices supply these multi-function climate measuring instruments for pressure and humidity measurements across all African countries covering South Africa, Kenya, Nigeria, Tanzania, Rwanda, Djibouti, Morocco, Ghana, Ethiopia, Uganda, Morocco, Tunisia, Cameroon, Mauritius, Gabon, Seychelles, etc.

    Our Middle East offices supply these multi-function climate measuring instruments for measurement of airflow in ducts in the United Arab Emirates, Kingdom of Saudi Arabia, Qatar, Oman, Kuwait, Egypt, Lebanon, Bahrain, Libya, Iraq, Erbil, Jordan, etc.

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