TESTO

testo 440 Set1 delta P Anemometer

A digital anemometer for measuring air flow. Shows 1425 m³/h volumetric flow, 3312 Pa pressure and 24.6 °C temperature. Includes Bluetooth functionality and accessories.

Delta P Flow CombiSet 1 with Bluetooth®
Comfortable: Wireless probes, internal data memory and USB interface for data export
Space-saving: Simply combine the universal Bluetooth handle with the 100 mm impeller or hot-wire probe head and the extendable telescope (1.0 m)

Delivery time: 3-4 days

testo 0554 3111 Schraderventil-Werkzeug 1 pc(s)

A brass refrigeration access valve with a black handle, attached to a gold-toned pipe with connection fittings and a separate adapter piece.

Direct replacement of valve controllers on site
Valve spare parts set for two valve adapters
Compatible with testo 549, testo 550, testo 557 and testo 570

Delivery time: 3-4 days

available from 07/09/2026

testo 0635 9432 0635 9432 N/A 1 pc(s)

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An anemometer with a large paddle wheel and cable, used for measuring air velocity and volume flow.

Precise: The right result in no time at all, even with turbulent flow - with the optionally available funnel set and volume flow rectifier
Intelligent calibration concept
Comfortable: probe with practical button on the handle for storing individual measured values, convenient measurement at the ceiling diffuser with optional telescope (up to 1 m)

Delivery time: 8-11 days