Handheld thermo-hygrometer
testo 650

%RH, °C td/tpd, gm3, g/kg,aW, °C, J/g, hPa, U/min, mA, VOL% CO2, ppm CO

•Reference humidity: Inter-laboratory test in national/international institutes confirms sensor accuracy of ±1 %RH
•Precision temperature: System accuracy up to 0.05 °C, resolution up to 0.001 °C
•Probes for measuring the process and indoor air humidity
•Calculation of all parameters of the psychrometric chart
•Convenient measurement data administration, reading memory up to 500,000 readings

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