Tonick sensor decoders operate on the 2-wire path and relay simple sensor information back to the controller, features include,

• Heavy duty, fully potted construction.
• A multi-coloured LED that provides feedback, reducing troubleshooting time.
• Compatible with all Tonick based 2-wire controllers and converters.
• Can operate with TK, DIAS and TW Classic and TW N/T decoders.
• No grounding necessary along the 2Wire path.
• Built-in powerful protection from Lightning surges.
• Can re-use existing wiring, will tolerate earth leakage on 2-wire path.
• Standard range includes
  o Volumetric Soil moisture
  o Flow (pulse & frequency)
  o Pressure and Level
  o SDI-12
  o 4-20mA
• Specialised sensors available.
• Re-addressable.