The Testo 176 T1 is a 1-channel temperature logger in metal housing with accurate internal sensor (Pt100).
The Testo 176 T2 is a 2-channel temperature logger with connections for highly accurate external sensor (Pt100).
The 176 T3 is a 4-channel temperature data logger in metal housing with external sensor connection (TC Type T, Type K and Type J).
The Testo 176 T4 is a 4-channel temperature data logger with external sensor connections (TC Type T, Type K and Type J).
The Testo 176 H1 is a 4-channel temperature and humidity data logger with external sensor connections (NTC/capacitive humidity sensor).
The Testo 176 H2 is a 4-channel temperature and humidity data logger in metal housing with external sensor connections (NTC/capacitive humidity sensor).
The 176 P1 is a 5-channel pressure, temperature and humidity data logger with internem sensor (absolute pressure)and external sensor connections (NTC/capacitive humidity sensor).
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