The PM1 control module plugs into your Apex or Apex Lite controller and allows you to monitor and control pH, ORP, and Temperature.

Features:

• Monitor/Control pH or ORP, and temperature.
• 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc.
• Full data logging 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.