High-precision Testo humidity sensors with long-term stability (±1.7 % RH) can be ordered for the transmitter
Ethernet, relay and analog outputs enable optimum integration into individual automation systems
High-quality digital probes (can be ordered) and an intelligent calibration concept
Self-monitoring and an early warning function ensure high system availability
In combination with the testo 660x probe series, the testo 6651 temperature and humidity transmitter meets high demands in air conditioning technology. Testo's temperature/humidity transmitter is even impressive where the climate is critical. This is because it enables a high level of measuring accuracy and the measurement of higher temperatures (up to +120 °C).
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