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CR211X Datalogger

Campbell Scientific

The CR211X is a small, low-cost datalogger that includes an internal 922 MHz spread-spectrum radio for transmitting data to another CR211(X), an RF411 radio, or an RF431 radio. The 922 MHz frequency is used in Australia and Israel.

The CR211X can be used in a wireless sensor network. Wireless sensor networks are appealing because they are often more economical than trenching, laying conduit, and pulling wire. When used as a wireless sensor, the CR211X measures the sensors attached to it, then transmits its data wirelessly via its spread-spectrum radio to a master datalogger. The master datalogger must support the PakBus communication protocol (e.g., CR800, CR850, CR1000, CR3000). 

Benefits and Features
  • Small, low-cost datalogger with internal spread spectrum radio for wireless communications

  • Integrated radio lets this datalogger function like a wireless sensor in a network, transmitting to a master datalogger

  • Ideal applications include wind energy, rural water, water level/flow, aquaculture, water quality

  • Gas Discharge Tube (GDT) protected inputs

  • Optimal for measuring one or two simple sensors

  • Makes SDI-12, single-ended analog, pulse, switch closure, and bridge measurements

  • Battery-backed clock that ensures accurate time is maintained while datalogger is disconnected from battery power

Manuals, Data Sheets & Operating Guides