Testo 440 dP Air Velocity and IAQ Measuring Meter with Differential Pressure Sensor (w/o Probes)
What is the Testo 440 dP Air Velocity & IAQ Measuring Instrument?
The Testo 440 dP air velocity and IAQ measuring instrument is a versatile solution designed for HVAC engineers and ventilation technicians carrying out professional airflow, indoor air quality and differential pressure measurements. Ideal for duct testing, air balancing and cleanroom monitoring, it combines multiple measurement functions into one compact device.
With an integrated differential pressure sensor, this instrument enables Pitot tube measurements, filter testing and volume flow calculations without additional equipment, making it a reliable choice for engineers searching for airflow meters, IAQ testing equipment and HVAC measurement tools in the UK.
How does the Testo 440 dP improve HVAC testing on site?
The Testo 440 dP simplifies complex HVAC testing with clearly structured measurement menus and support for Bluetooth, wired and thermocouple probes, allowing flexible setup across different applications. Wireless connectivity reduces cable clutter, while the ability to display multiple readings simultaneously improves efficiency during commissioning and diagnostics.
With storage for up to 7500 measurement protocols and USB export for reporting, engineers can quickly document results and maintain compliance with industry standards. Its intuitive interface and robust design make it ideal for daily use in demanding environments.
How does the Testo 440 dP stand out in everyday use?
By combining airflow, IAQ and differential pressure measurement in one device, the Testo 440 dP reduces the need for multiple instruments, helping HVAC professionals work faster, smarter and more efficiently on every job.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on orders over £99
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
