Air Quality Monitors (105 items)

Testo 440 dP Air Velocity and IAQ Measuring InstrumentPrecise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument...

Maximum Temperature = +50°C Carbon Monoxide Resolution = 0PPM Power Source = Battery°C Model Number p = 535

Testo 90 Degree AdapterThe 90° angle makes it easy to correctly position vane probes (Ø 100 mm) with universal handle at ceiling outlets. Features and Benefits• Position 100 mm vane probes with uni...

Testo Service CaseSafely stow away and transport your equipment: the robust service case offers storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument, other pro...

Testo Turbulence ProbeFor determining the degree of turbulence and draught risk at workplaces: use the turbulence probe (with the compatible measuring instrument) to measure air velocity and air te...

Testo Air Quality MeterMore 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 high-precision 100 mm...

Testo Air Quality MeterMore 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.Featur...

Testo Air Quality MeterMore 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 CO probe head.Feature...

Testo CO ProbeFor the detection of carbon monoxide in indoor areas: use the high-precision CO probe (with the appropriate measuring instrument) to measure the CO concentration. Use the CO probe wit...

Testo CO Probe with BluetoothFor the detection of carbon monoxide in indoor areas: use the high-precision CO probe (with the appropriate measuring instrument) to measure the CO concentration. The r...

CO2 probe with Bluetooth Including Temperature and Humidity SensorFor assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity a...

Testo CO2 Probe Including Temperature and Humidity Sensor – featuresFor assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity...

Testo Air Quality MeterUse the cable handle if Bluetooth® signals are not permitted: the readings are transmitted to the compatible measuring instrument via the fixed cable. Combine the handle with...

Testo Handle AdapterThe handle adapter allows you to connect probe heads for air velocity measurement or the extendable telescope for air velocity probes to the universal handle with Bluetooth® or ...

Testo Handle AdapterThe handle adapter allows you to connect probe heads for air velocity measurement or the extendable telescope for air velocity probes to the universal handle with Bluetooth® or ...