Products
testo 400

Reference multi-function measuring instrument

testo 400, multi-functional measuring instrument, incl. measurement value store up to 500,000 readings, VAC-module (determination of volume flow with error calculation), battery, Li-cell and calibration protocol

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testo 445

Service instrument for air conditioning/ventilation systems

testo 445, VAC measuring instrument, incl. TopSafe, battery and calibration protocol

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testo 454/350

testo 350 XL control unit

Control unit displays measurement data and controls the measurement system, incl. built-in printer, pressure measurement 40/200 hPa, 1 user defined probe socket, programmable measurements and memory space for 250,000 readings, connection for Testo data bus, incl. terminal plug

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