Neptune Systems PM1 pH/ORP Probe Module

The first expansion module, the PM1, with a pH or ORP, temperature, and 6 digital inputs. The PM1 features are: 

  • Monitor/Control pH or ORP, and temperature.
  • 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
  • Led Status Indicator
  • Upgradeable firmware.
  • Compatible with Apex and Apex Lite systems.
  • Galvanic Isolation for accurate and reliable probe readings.
  • Comes with 3' AquaBus cable.

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