Precise Airflow & IAQ Measurement

The Testo 440 Hot Wire Kit (SKU 0563 4400) is an essential tool for HVAC professionals needing accurate air velocity and Indoor Air Quality (IAQ) measurements in ventilation ducts. This comprehensive kit includes the versatile Testo 440 measuring instrument and a high-precision hot wire probe (Ø 0.35") with an integrated temperature sensor, all conveniently stored in a durable case.

Designed for efficiency and reliability, the Testo 440 simplifies complex measurements. Its intuitive, clearly structured menus guide you through volume flow and air velocity determination, making duct assessments straightforward. The instrument's ability to connect with a wide range of additional probes ensures future adaptability for diverse HVAC tasks, while digital probe technology minimizes measurement uncertainty.

What's Included & Key Applications

This kit provides everything you need for immediate deployment:

• Testo 440 Air Velocity and IAQ Measuring Instrument (SKU 0560 4401)
• Hot Wire Probe (Ø 0.35") with fixed cable (1.7 m), temperature sensor, and extendable telescope (0.85 m) (SKU 0635 1032)
• 3 AA batteries and USB cable
• Basic case for Testo 440 and one probe
• Calibration protocols for both instrument and probe

Ideal for HVAC technicians, the Testo 440 Hot Wire Kit excels in:

• Accurate air velocity and volume flow measurements in ventilation and exhaust ducts.
• Indoor Air Quality assessments, including temperature monitoring.
• Optimizing ventilation systems for comfort and energy efficiency.

Technical Specifications

Testo 440 Air Velocity and IAQ Measuring Instrument (0560 4401)

Hot Wire Probe (0635 1032)

Tradie Pro Tip & Next Steps

“For precise ventilation system balancing, always ensure your hot wire probe is positioned correctly within the duct. The extendable telescope on the Testo 440 kit makes reaching difficult spots much easier, ensuring consistent and reliable readings.”

Enhance your measurement capabilities further by pairing this kit with related Testo products. Consider adding CO2 Probes or High-Precision Humidity/Temperature Probes for comprehensive Indoor Air Quality assessments, or explore other Air Velocity & IAQ Meters to expand your toolkit.

Equip your team with the Testo 440 Hot Wire Kit for superior performance in HVAC duct measurement. Order now to ensure accurate and efficient work on every job.