Neptune Systems PM1 pH/ ORP Probe Module

Neptune Systems PM1 pH/ORP Probe Module for Apex Controllers

  The Neptune Systems PM1 pH/ORP Probe Module expands the Apex platform with accurate pH or ORP monitoring, temperature tracking, and flexible I/O control. Built by Neptune Systems and featured under Automate and Monitor, this module ensures your aquarium stays stable and easy to manage.  

Neptune Systems PM1 pH Probe and ORP Monitoring

The PM1 accepts either a Neptune Systems pH Probe or an ORP probe. Use it to track pH in a calcium reactor or maintain oxidation levels with an ozone generator. This flexibility makes the module useful for diverse aquarium setups.

• Dedicated port for pH or ORP probe
• Supports dual aquarium monitoring through one Apex system
• Helps automate CO2 solenoids or ozone equipment

  Positioned within the Probes category, the PM1 gives reef keepers the ability to monitor multiple tanks, manage calcium reactors, or connect external switches. It adds precision while reducing manual work, helping aquarists protect system health around the clock.    

Temperature Tracking with the Neptune Systems PM1 Module

The module features a temperature probe port. Aquarists can monitor a second tank or ambient air temperature, adding another safety layer to their Apex environment.

I/O Port and Breakout Box Integration

The I/O port on the PM1 connects directly to the Apex Breakout Box. This accessory allows up to six custom switches to trigger feed modes, timers, or alarms, providing versatile control options without complex wiring.

Compact Connectivity for Apex Systems

The PM1 includes two AquaBus ports, ensuring easy daisy-chaining to other Apex accessories. With a small footprint and simple setup, the module integrates smoothly into existing systems.

Specifications — Neptune Systems PM1 pH/ORP Probe Module

• Dimensions: 4.5" L × 3.5" H × 1.25" W
• Probe Ports: 1 pH/ORP, 1 Temperature
• I/O Ports: 1 for Breakout Box or custom switches
• AquaBus Ports: 2 for expansion
• Connection: Plug-and-play with Apex systems

Frequently Asked Questions About Neptune Systems PM1 pH Probe Module

Does the PM1 work with all Apex models?

Yes, the PM1 connects to every Apex model through AquaBus for reliable plug-and-play setup.

Can I run both a pH probe and an ORP probe at once?

No, the PM1 supports one probe at a time, either pH or ORP.

What is the benefit of the extra temperature probe port?

It lets aquarists track a second aquarium or ambient room temperature for added system awareness.

How many switches can connect through the Breakout Box?

The Breakout Box accepts up to six custom switches or buttons, all managed by the Apex dashboard.

Are probes included with the PM1 Module?

No, pH and ORP probes are sold separately and can be selected based on system requirements.      

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