Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9" InfraRed Thermometers Range: 0-12″/300mm

Range: 0-12″/300mm

And the integrated low-pass filter achieves more accurate measurement results on frequency converter controlled motors

Use a Testo manifold and the Testo Smart App on your smartphone/tablet for operation and measured value display after the scale has automatically connected to both via Bluetooth

enabling you to control the instrument with just one hand

Calibration

Testo 440 dP Air Velocity and IAQ Measuring Instrument with differential pressure sensor and digital vane probe, ø 3.9" InfraRed Thermometers Range: 0-12″/300mmPrecise and reliable, this multifunction measuring instrument is intuitive and easy to use thanks to clearly structured menus. In addition, this kit includes the dP air velocity and IAQ meter, a Bluetooth vane probe, a hot wire probe head, a universal extendable telescope, a USB cable, 3 x AA batteries, and a carrying case. Designed to be used in combination with high quality probes to measure and store all air velocity and IAQ parameters, this