Neptune Systems PM1 pH/ORP Probe Module

Overview

The Neptune Systems PM1 Module expands the monitoring capabilities of your Apex Controller by adding support for an additional pH or ORP probe, along with temperature monitoring and I/O expansion. Whether you want to track pH in a calcium reactor, monitor ORP for ozone control, or add redundancy across multiple aquariums, the PM1 provides reliable and versatile functionality.

Key Features

• Dual Probe Capability – Supports either a pH or ORP probe (sold separately).

• Additional Temperature Monitoring – Extra port for a temperature probe (sold separately).

• I/O Expansion – Includes an I/O port for use with the Breakout Box to connect switches or buttons.

• Seamless Apex Integration – Connects via AquaBus and is compatible with all Apex systems.

• Flexible Applications – Monitor a second tank, automate calcium reactors, control ozone generators, or track ambient air temperature.

• Expandable Control – Use the I/O port to trigger feed modes, timers, float switches, and more.

Product Specifications

• Model: PM1 Module

• Ports:

  • 1x pH/ORP probe port

  • 1x temperature probe port

  • 1x I/O port

  • 2x AquaBus ports

• Compatibility: All Neptune Apex Controllers

• Connectivity: AquaBus (3 ft. cable included)

What’s Included

• (1) PM1 Module

• (1) 3 ft. AquaBus Cable

Note: Probes and accessories sold separately.