Dissolved oxygen, temperature, and 6 digital inputs

The PM3 probe module, includes support for dissolved oxygen, temperature, and 6 digital inputs. The PM3 features are:

• 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc.
  
• Full datalogging support in Apex Base module.
  
• Up to 240 AquaBus modules can be added to the Apex system.
  
• Plug and Play. Automatically recognized when installed into the system.
  
• Two AquaBus connectors for flexible expansion via AquaBus
  
• Comes with 3' AquaBus cable.
  
• Galvanic Isolation for accurate and reliable probe readings.
  
• Led Status Indicator
  
• Upgradeable firmware.
  
• Compatible with Apex and Apex Lite systems.