Humlog 20

Data logger for humidity, temperature, air pressure and CO2

The Humlog 20 data logger is ideally suited for climate monitoring in a wide range of applications such as residential and commercial building automation, museums and exhibition halls, clean rooms, storage areas, computing centres, switching cabinets and calibration laboratories

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Key Features Humlog 20

  • Continuous data recording over long periods
  • The data loggers can operate in an Ethernet network
  • Maximum reliability of measurement data transmission
  • Easy evaluation and visualisation of measurement data
  • Local visual and acoustic alarms for fast decisions in the field
  • Modern enclosure with large display

Technical data Humlog 20

  • 10...95 % RH
    -20...50 °C (-4…120 °F)
    300...1300 hPa
    0...5000 ppm CO2

    Measuring range
  • ±2 % RH
    ±0.3 °C
    0.5 hPa
    ±(50 ppm +3 % of measured value)

    Accuracy
  • USB and LAN (ethernet)

    Interface
  • 4 x LRG AA batteries or via USB

    Supply

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Humlog 20 FAQ

  • What is the difference between a 2 wire and a 3 wire current output?

    Transmitter with "two-wires" technology receive the power from the process, and the signal is carry on return wire (closed current loop). With technology "three-wires" the power supply is separate from current output: 2 wires are the power supply and third carry the signal.

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