Indoor Air Quality Meter

VSKU: 1010000156

Indoor air quality meter, Model no. [VAC-435-2]
Absolute pressure range: 0 to 2000 hPa
Temperature measurement range: -200 °C to +1370 °C for TC Type K (NiCr-Ni)
Light intensity measurement range: 0 to +100000 lux
Velocity measurement range: 0 to +60 m/s

Indoor air quality meter for assessing indoor air quality

Indoor air quality meter [VAC-435-2] is used for indoor air quality assessments due to the wide range of attachable and wireless probes it supports. It is crucial to ensure the well-being of people at their workplaces. It is used to ensure optimum energy usage by HVAC systems. It is portable and has a simple user interface to handle all the complex functionalities with ease. It comes with a large memory space to store relevant measurements. It can be connected to a PC via USB and the data can be analysed using PC software.


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

  2. It is used for measuring air and surface temperatures.

  3. It is used to estimate the presence of even small quantities of CO in ambient air with the help of the ambient CO probe.

  4. It can be used for flow measurement in VAC ducts with the help of a pitot tube.

  5. It is used in VAC grids to measure air temperature and humidity.

  6. It is used in ventilation ducts to carry out flow measurements using thermal and vane anemometers.

  7. It is used for measuring the concentration of CO2  to determine indoor air quality.

  8. It is used for measuring volumetric airflow at the outlet of ducts.

  9. It is used to measure the degree of turbulence for assessing the air velocity in a room.

  10. It is used to measure light intensity in a room.

  11. It can be used to assess thermal comfort in a room


  1. It is IP54 certified water-resistant.

  2. It is powered by easily replaceable type AA batteries.

  3. It supports a wide variety of high-quality sensors to be connected to it for measuring temperature, CO2, humidity, light intensity, etc.

  4. It has a backlit LCD for using dark conditions.

  5. The optional probes are specially designed to meet industrial standards.

  6. It also supports wireless probes which eliminate cables running around in the measurement site.

  7. It has the functionality to display dew point.

  8. It supports an IAQ sensor for determining air quality by measuring parameters like CO2 concentration, temperature, humidity and absolute pressure.

  9. It can be connected to a comfort sensor to measure the degree of turbulence in compliance with EN 13779.

  10. It supports a globe thermometer for measuring radiation heat.

  11. A lux sensor can be connected to the instrument to measure illumination.

  12. It can store measured values in its memory.

  13. It can transfer and analyse data on a PC via USB using PC software.


  1. Its display is made of LCD and has backlight illumination.

  2. It has the option to use a hot wire anemometer for velocity measurements with a resolution of 0.01 m/s in the range 0 to +20 m/s.

  3. The velocity measurement can also be made with a vane anemometer from 0 to +60 m/s.

  4. The vane anemometer has resolutions of 0.1 m/s (16 mm vane) and 0.01 m/s (60 + 100 mm vane).

  5. The range of ambient COmeasurement is from 0 to 10000 ppm with a resolution of 1 ppm CO2 using the IAQ probe.

  6. It can measure light intensities from 0 to +100000 lux using attachable lux sensor probe which has a resolution of 1 Lux.

  7. AA batteries are used to power the instrument.

  8. It has a battery life of 200 hours for typical vane measurements.

  9. Absolute pressure measurements are done within the range of 0 to 2000 hPa with an accuracy of ± 5 hPa and a resolution of 0.1 hPa.

  10. It has an IP54 protection certification.

  11. It supports NTC, TC Type T (Cu-CuNi) and TC Type K(NiCr-Ni) probes for temperature measurements.

  12. The measuring range of the NTC probe is from -50 to +150 °C with a resolution of 0.1 °C.

  13. The TC Type K probe takes measurements in the 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).

  14. The TC Type T probe can measure temperature within -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).

  15. A capacitive sensor with a resolution of 0.1 %RH is used for humidity measurements.

  16. Humidity measurement range is from 0 to 100 %RH.

  17. The instrument weighs about 428g.

  18. It has a size of 220 X 74 X 46 mm.

  19. It has a housing made of ABS, TPE and metal which is very durable.

  20. It is recommended to operate the device between -20 °C and +40 °C.

  21. It is safe to store the device under temperatures between -30 °C and +70 °C.

  22. It has a large memory space to store up to 10000 measured values.

We supply these indoor air quality meters for indoor air quality assessment in the USA, UK, Germany, France, Netherlands, Spain, Switzerland, Sweden, and other European countries. Also, we supply these for measuring airflow in VAC ducts in the Middle East and other Asian countries including India, Pakistan, Afghanistan, Bangladesh, Singapore, etc.

Our African offices supply these indoor air quality meters for optimising HVAC systems 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 indoor air quality meters for measuring air and surface temperatures in the United Arab Emirates, Kingdom of Saudi Arabia, Qatar, Oman, Kuwait, Egypt, Lebanon, Bahrain, Syria, Libya, Iraq, Erbil, Jordan, etc.