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Zehnder P/N 990 328 694
with silver under-visor
41 Total Exterior and Interior pockets
3mm polypropylene
Testo 440 Combo Kit 2 Bluetooth 100mm Vane Probe and 16m Vane Probe auto-reminder-hr155 Zehnder P/N 990 328 694Benefits Comprehensive IAQ Measurement Measures all IAQ parameters, including flow velocity, temperature, humidity, pressure, CO2, CO, and more. Versatile Dual Probe Setup Combines a slim 16 mm vane probe for ductwork with a 100 mm vane probe for outlets, ensuring full airflow measurement coverage. User Friendly Operation Clearly structured measurement menus make setup, recording, and analysis quick and intuitive for all common HVAC applications.
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