CO2 (environment)

Air flow measurements in ducts, temperature measurements in laboratories, humidity measurements in production, pressure difference measurements in clean rooms. The testo 480 digital temperature, humidity and air flow meter comes with a wide range of optional sensors that allow you to measure, analyse and log these and a variety of other parameters with only one device.

• High-quality optional sensors for measuring air flow, temperature, humidity, pressure, degree of turbulence, heat radiation, CO2, illumination intensity, PMV/PPD and WBGT

• High-precision, integrated pressure sensor included

• Pro-software for easy and efficient analysis and logging included

• Intelligent calibration concept

The testo 435-2 indoor air quality meter allows you to carry out all the measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air. Select from a wide range of probes and sensors. Because it’s you know best what your meter needs to be able to do!

• Comprehensive range of measuring functions using optionally available accessories – e.g. anemometers, moisture sensors, lux and degree of turbulence sensors

• Super-size memory for up to 10 000 readings

• Displays dew point difference, min, max and mean values

• PC software for analyzing and logging measuring data

The testo 435-4 multifunction indoor air quality meter allows you to carry out all the measurements you need to inspect and adjust ventilation and air conditioning systems and to check the quality of the indoor air. There is also an integrated pressure difference sensor for pitot static tube measurements and filter monitoring and a wide range of optionally available sensors and probes to choose from.

• Includes pressure difference sensor for pitot static tube measurements or filter monitoring

• Further sensors optionally available (eg. anemometer, moisture sensors, lux and degree of turbulence sensors) for a variety of different measuring applications

• Super-size memory for up to 10 000 measurements

• PC software for analyzing and logging measuring data

The testo 535 CO₂ meter comes with a permanently attached sensor and is designed specifically for monitoring and optimising the ambient air.

• Quick and accurate CO₂ measurements

• Long-term measurements using max and average values

• Long-term stable, maintenance-free infrared sensor

• Optional testo turbo printer for print outs on site

testo 435-3 – multi-function climate measuring instrument with integrated differential pressure measurement. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess room air quality. For this we offer a comprehensive range of optional probes and sensors to choose from.

• Includes differential pressure measurement for filter monitoring or for measurement with a Pitot tube

• Further optional probes can be attached: thermal and vane anemometers, along with probes for air humidity, CO₂, absolute pressure and temperature

• Display of dew point distance, min., max. and mean values

• Illuminated display

You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

• Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

• Internal reading memory for up to 3,000 readings

• Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

• Automatic mean value calculation and determination of the volume flow

The CO₂ probe (in conjunction with the appropriate measuring instrument) helps you to detect carbon dioxide in indoor room air.

• Direct determination of CO₂ levels in the indoor air

• Precise NDIR measurement method

• Maintenance-free sensor with long-term stability

• Measuring range: 0 to +10,000 ppm
  
   

testo 435 is a series of multi-function climate measuring instruments made by Testo. The testo 435-1 version is the entry-level measuring instrument in this series. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess air quality. For this we offer you a comprehensive range of optional probes and sensors to choose from.

• You have the option of connecting thermal anemometers and vane anemometers for measuring air velocity and volumetric flow in ventilation ducts

• Air quality: measurement of CO₂, air humidity, air temperature and absolute pressure with the optional IAQ probe

• Display of dew point distance, min., max. and mean values

• Illuminated display

The high-quality testo 315-3 is an easy-to-use, ruggedly designed CO and CO₂ meter that enables you to carry out quick and reliable ambient measurements according to DIN EN 50543 standard.

• High-precision electrochemical CO sensor, shock resistant infrared CO₂ sensor

• Visual and audible alarm when thresholds are breached – adjustable thresholds

• Rugged design

• TÜV certified according to DIN EN 50543 standard

If there are a lot of people in a room, the air quality deteriorates. Reliable monitoring is particularly important, because indoor air quality is linked to our well-being. The WiFi data logger testo 160 IAQ is ideal for monitoring indoor air quality in facility management.
 

• Ideal for monitoring indoor air quality (IAQ)

• Simple to install, integrate and operate – particularly user-friendly with air quality displayed in the form of a traffic light system

• Perfectly networked: data storage in the Testo Cloud, real-time alarm via email or SMS (optional in conjunction with an Advanced licence)

• Blends in perfectly with the surroundings thanks to an optional, customizable deco-cover

Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO₂ probe with Bluetooth including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!

• Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces

• Precise: calculation of wet bulb temperature, dew point and absolute humidity – determination of the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55

• Convenient: wireless probe, internal data storage and USB port for data export

• As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

• Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂

• Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)

• Clear overview: large graphic display with parallel display of 3 readings

• Safe and reliable: internal data storage and USB port for data export

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

• Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂

• Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)

• Clear and reliable: large graphic display with parallel display of 3 readings as well as internal data storage and USB port for data export

• Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters

Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO₂ probe with Bluetooth including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away!
 

• Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas

• Precise: absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity

• Convenient: wireless probe, internal data storage and USB port for data export

• As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

The probe (in conjunction with the appropriate measuring instrument) is ideal for evaluating the indoor air quality.

 

• 4 functions in one probe: measurement of CO₂, humidity, temperature and absolute pressure

• Rapid checking of the indoor climate

• Prevention of poor air quality in indoor rooms via CO₂ measurement

The probe (in conjunction with the appropriate measuring instrument) is ideal for evaluating the indoor air quality.

 

• 4 functions in one probe: measurement of CO2, humidity, temperature and absolute pressure

• Rapid checking of the indoor climate

• Prevention of poor air quality in indoor rooms via CO₂ measurement

• Intelligent calibration concept

For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature.

• Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas

• Precise: calculation of wet bulb temperature, dew point and absolute humidity

• Convenient: a universal handle can easily be connected to other probe heads

• Intelligent calibration concept

For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

• Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity and air temperature in indoor areas

• Precise: calculation of wet bulb temperature, dew point and absolute humidity

• Convenient: Bluetooth connection between measuring instrument and probe, a universal handle can easily be combined with other probe heads

• Intelligent calibration concept

More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO₂ probe head.

• Intuitive: parallel determination of CO₂ concentration, humidity and air temperature in indoor areas, including long-term measurement

• Precise: absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity

• Convenient: probe head is easy to attach to the universal handle with Bluetooth or cable (available to order separately)

• Intelligent calibration concept: only send in the probe head for calibration