Testo 440 Combo Kit 1 Bluetooth 100mm Vane Probe and Hot Wire Probe 471 429 178 whilst Pinpoint mode gives you

whilst Pinpoint mode gives you the precise location – 2 leak detectors in one portable unit with an easy to read LCD display

Standard filters: Grade ISO Coarse 85% (G4) synthetic filters

Stainless Steel probe 5" with 1 meter cable

Steel duct ⌀ 150 to ⌀ 125mm reducer

Testo 440 Combo Kit 1 Bluetooth 100mm Vane Probe and Hot Wire Probe 471 429 178 whilst Pinpoint mode gives youBenefits Comprehensive IAQ Measurement Measures all IAQ parameters, including flow velocity, temperature, humidity, pressure, CO2, CO, and more. Dual Airflow Probes Includes both a hot wire probe for duct velocity measurements and a 100 mm vane probe for outlet measurements with Bluetooth. User Friendly Operation Clearly structured measurement menus make setup, recording, and analysis quick and intuitive for all common HVAC applications. Smart Data