Need a solution that thinks on its feet when it comes to measuring air quality and temperatures? Choose this probe handle from Testo to add some smarts to your testing attachments. Integrated Bluetooth technology means you can conveniently transmit readings directly to your handheld instrument, and you can store the results with a simple press of a button. This unit is compatible with instruments in the 440 series, so it's a versatile choice.

• Battery-operated for portable use
• Compact dimensions of 165 (L) x 50 (W) x 40mm (H) for ease of handling
• Wide operating temperature range between -5°C and +50°C for use in demanding conditions

• Food industry
• Construction applications
• HVAC systems
• Medical equipment
• Pharmaceutical clean rooms

• You can easily expand your portfolio of probes by connecting the handle to different probe heads. The extendable telescope for air velocity probes can also easily be connected to the handle.

• Via Bluetooth, the readings are transmitted to your measuring instrument (please order separately) from a distance of up to 20 m. Particularly useful: operate the measuring instrument by pressing the button on the handle – for example, to store individual readings.

• Please note that you need our adapter (order number 0554 2160) to connect probe heads for air velocity measurement or the extendable telescope for air velocity measurement to the handle.

This handle has a transmission range of 20m, so it can complete data transfers across long distances without breaking a sweat.