The Testo 440 Air Velocity and IAQ Measuring Instrument is a versatile solution for professionals needing to assess climate-related parameters with precision. This multifunction device streamlines complex measurement tasks, eliminating the need for multiple tools.

Its intuitive design features clearly structured menus, allowing for seamless operation across a wide range of applications. From adjusting ventilation systems to monitoring indoor air quality, the Testo 440 simplifies your workflow.

It supports a broad array of high-quality digital probes, including Bluetooth and wired options, ensuring adaptability for any job site. This instrument combines robust functionality with ease of use for reliable, accurate data collection.

Why It Matters

In HVAC, accurate and efficient environmental data collection is paramount. The Testo 440 delivers consistent, reliable measurements for air velocity, IAQ, and comfort levels, critical for system optimization and compliance. Its ability to connect up to three probes simultaneously enhances productivity, ensuring comprehensive assessments without device juggling.

What's Included

• Testo 440 air velocity and IAQ measuring instrument
• 3 x AA batteries
• USB cable
• Calibration protocol

Features & Benefits

• ✓ Precise Measurements: Reliable data for air velocity and IAQ parameters in ducts and at outlets.
• ✓ Extensive Probe Compatibility: Supports hot wire, vane, CO₂, CO, and humidity probes (sold separately).
• ✓ Wireless Convenience: Bluetooth probes allow measurements up to 65 feet away, reducing cable clutter.
• ✓ Intuitive Operation: Automatic probe detection and structured measurement menus for quick setup.
• ✓ Efficient Data Management: Stores up to 7,500 protocols, exportable as CSV via USB for analysis.
• ✓ Intelligent Calibration: Probes are calibrated independently, keeping the instrument in continuous use.
• ✓ Turbulence Measurement: Compliant with EN ISO 7730 / ASHRAE 55 for assessing draft risk.
• ✓ Versatile Applications: Suitable for ducts, outlets, long-term IAQ monitoring, laboratories, and cleanrooms.

Applications

• Commissioning and maintenance of air conditioning and ventilation systems.
• Monitoring indoor air quality (IAQ) parameters like CO₂, CO, humidity, and temperature.
• Performing comfort level measurements, including turbulence and draft risk assessments.
• High-precision measurements in laboratories and cleanrooms.
• Volume flow measurements in ducts and at air/ceiling outlets.

Tradie Pro Tip: Utilize the practical rear magnets to securely attach the Testo 440 to metal surfaces, such as ventilation ducts, for hands-free operation during measurements.

Technical Specifications

Pair With

Enhance your Testo 440's capabilities with additional accessories. Consider pairing it with a Testo Turbulence Probe for detailed comfort level analysis, a Testo CO₂ Probe for comprehensive indoor air quality monitoring, or a Testo Lux Probe for illuminance measurements in commercial spaces.

The Testo 440 Air Velocity and IAQ Measuring Instrument is an indispensable tool for HVAC professionals seeking accuracy and versatility. Invest in reliable measurements that drive efficiency and optimal climate control. Contact us today to learn more or to place your order.