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    testo 6621 - Temperature and humidity transmitter

    0555 6621
  1. Transmitter with 2 analog outputs (temperature/humidity)
  2. High-precision Testo humidity sensor with long-term stability
  3. Optional 2-line LCD display
  4. P2A software for parameterization, adjustment and analysis
    5. 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.
    The measurement transmitter testo 6621 stands out thanks to its patented humidity sensor which guarantees highest accuracy. Particularly practical: The sensor and the analog outputs can be adjusted, analyzed and parameterized via an external interface using the P2A software.

    Select the suitable design according to your application in a room or a duct. The measurement transmitter testo 6621 is available in different product variations: optionally with or without display, in the housing colours grey or white.
     

    Temperature and humidity measurement transmitter testo 6621 - features

    • 2 analog outputs (temperature/humidity), optionally 1 analog output humidity and temperature passive
    • Highly accurate and long-term stable Testo humidity sensor
    • P2A software for parameterization, adjustment and analysis saves time and costs in commissioning
    • Optimum calibration concept by adjustment of the entire signal chain (1-point, 2-point and analog adjustment)
    • 2-line LCD display optional

    testo 6621 temperature and humidity transmitter as a wall or duct version, with selectable signal outputs, 2-line display (optional), external interface for adjustment and commissioning.