PM3 Dissolved Oxygen, Temperat

What It Is

An Apex expansion module for dissolved oxygen and temperature monitoring.

Why We Like It

Adds a dedicated measurement point to your existing controller, useful for another tank or filtration section.

Key Specs

• Measurement: dissolved oxygen.
• Temperature input and dry-contact I/O capability.
• AquaBus expansion.

Requires compatible Apex and matching probes, sold separately.