testo 440 Air velocity & IAQ measuring instruments

type: testo 440

testo 440 air velocity & IAQ measuring instrument
testo 440 dP air velocity & IAQ measuring instrument incl. differential pressure

Product benefits

Intuitive: clearly structured measurement menus for the most important applications stored on the instrument
Wireless: Bluetooth probes for greater measuring convenience and a reduced tangle of cables in the case
Space-saving: a universal handle for all probes
Clear overview: parallel display of 3 measuring values; configuration and results at a glance
Reliable: internal memory for up to 7500 measurement protocols, USB interface for data export and optional printout of measuring values

testo 400 – the multitasker for IAQ professionals

Product benefits

Measures all IAQ-related parameters: Flow, temperature, humidity, pressure, illuminance, radiant heat, turbulence, CO₂ and CO
High-precision, location-independent and integrated differential pressure sensor
High-quality digital probes and an intelligent calibration concept
Document measuring values directly on the customer's site and send them by e-mail, or further analyze them using the testo DataControl PC software
Smart and intuitive measurement programs:
- HVAC grid measurement in accordance with EN ISO 12599 and ASHRAE 111
- PMV/PPD in accordance with EN ISO 7730 and ASHRAE 55
- Draught and degree of turbulence in accordance with EN ISO 7730 and ASHRAE 55
- WBGT measurement in line with DIN 33403 and EN ISO 7243, NET measurement in accordance with DIN 33403

Kit for standard-compliant measurement of indoor air quality and comfort level

Product benefits

Determination of the PMV and PPD comfort level parameters in accordance with EN ISO 7730 and ASHRAE 55
Determination of the draught and degree of turbulence comfort level parameters in accordance with EN ISO 7730 and ASHRAE 55
Indoor air quality: Determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces, including long-term measurement
Complete measurement with full documentation directly on site with the customer or further analysis with the PC software testo DataControl
Globe thermometer for measuring radiant heat, measuring tripod for comfort level measurement to ensure standardcompliant positioning of probes

Kit for standard-compliant measurement in ducts, at outlets and on filters

Product benefits

Determination of volume flow in ducts using grid measurement in accordance with EN ISO 12599 and ASHRAE 111
Determination of volume flow at outlets or on individual components through measurement of the reference pressure and input of the manufacturer-specific K factor
Complete measurement with full documentation directly on site with the customer or further analysis with the measurement data management and analysis software testo DataControl
Parallel measurement of flow, differential pressure, humidity and temperature
Integrated absolute pressure sensor, high-precision and location-independent differential pressure sensor; external high-precision humidity/temperature probe head

Kit for standard-compliant volume flow measurement in ducts, at outlets and on filters

Product benefits

Determination of volume flow in ducts using grid measurement in accordance with EN ISO 12599 and ASHRAE 111
Determination of volume flow at outlets or on individual components through measurement of the reference pressure and input of the manufacturer-specific K factor
Complete measurement with full documentation directly on site with the customer or further analysis with the measurement data management and analysis software testo DataControl
Parallel measurement of flow, differential pressure, humidity and temperature
Integrated absolute pressure sensor, high-precision and location-independent differential pressure sensor; external high-precision humidity/temperature probe head