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    testo 6621 - Commercial HVAC Temperature/RH 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. testo 6621 humidity-/temperature transmitter, accuracy ±2.0 %RH, wall or duct version, selectable signal outputs, optional display, external interface for adjustment and setup, 2 analog outputs

    **NOTE: Please contact Testo to ensure proper configuration when ordering the testo 6621 Transmitter**
    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.