Transmitter with 2 analog outputs (temperature/humidity)
High-precision Testo humidity sensor with long-term stability
Optional 2-line LCD display
P2A software for parameterization, adjustment and analysis
The high-performance measurement transmitter testo 6621 is a reliable partner for applications in building air conditioning. Accuracy, long-term stability and reliability – our measurement transmitter meets the high demands of building automation, helping you to reduce costs.
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