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    testo 6651 - Humidity transmitter for critical climate applications

    0555 6651
  1. High system availability thanks to integrated self-monitoring and early warning
  2. Ethernet, relay and analog outputs enable optimum integration into individual automation systems
  3. P2A software for parametrization, adjustment and analysis saves time and money during commissioning and maintenance
  4. High measuring accuracy thanks to reliable and long-term stable humidity sensor technology
  5. testo 6651 humidity/temperature transmitter for critical climate, accuracy up to ±1.7 %RH (depends on the probe), selectable signal outputs, optional display, optional ethernet module, optional relay, 2 analog outputs

    Not all measurement problems can be solved with "simple" transmitters. The testo 6651 meets special challenges. When combined with the probe series testo 660x, the testo 6651 becomes the first choice in demanding air conditioning technology as well as in many other applications. Optimum adjustment concept thanks to adjustment of the entire signal chain incl. analog adjustment Ethernet, relay and analog outputs allow optimum integration into individual automation systems Self-monitoring and early warning guarantee high system availability. Calculation and presentation of the humidity parameters relative humidity absolute humidity and dewpoint. P2A software for parameterization, adjustment and analysis saves time and costs in commissioning and maintenance
    Display with multi-language display. High-quality plastic housing

    • testo 6651 humidity/temperature transmitter including instruction manual
    • Factory certificate

    Note: Please keep in mind that you need an attachable probe to commission the transmitter.

    * When using the Ethernet function, we recommend ordering the P2A software in order to be able to make the network settings.

    Accessories

  6. Accessories
    Condensation protector made of aluminium
      :
      0554 0166
    • Accessories
      P2A-software
      P2A PC software
        :
        0554 6020
      • Accessories
        Wall bracket / duct bracket
          :
          0554 6651
        • Accessories
          Protective cap made of PTFE with drip hole
            :
            0554 9913