4-Pin Metal Female GX12 Connector for HYDROS Sense Port

Unlock Precision Control with the GX12 Connector Hydros – 4-Pin Female Plug for Sense Port Builds

The GX12 Connector Hydros 4-Pin Female Plug brings solid performance to reef automation projects that rely on HYDROS Sense Ports. Whether you're setting up a sensor cable from scratch or fine-tuning your reef system’s I/O, this connector handles it like a pro—without the frustration of poor fittings or finicky compatibility.

No nonsense, no guesswork—just a reliable plug that slots into your system and gets to work.

Why the GX12 Connector Hydros 4-Pin Plug Belongs in Your Toolkit

This isn’t your run-of-the-mill connector. It’s designed for accuracy and consistency across all Hydros Sense Port builds.

Features:

• Fully compatible with HYDROS Sense Ports

• Durable metal body designed for repeated use

• Ideal for creating or repairing 4-wire sensor cables

• Supports both analog and digital input/output

When you're customizing your HYDROS setup, this is one of those "small parts" that makes a big difference.

GX12 Connector Hydros – Electrical and Build Specs

Connector Type: Female
Pin Count: 4
Pinout Functions:

• Pin 1: Ground

• Pin 2: 5V DC

• Pin 3: Digital I/O

• Pin 4: Analog In

Tech Specs:

• Contact diameter: 0.05 inches

• Contact impedance: 5MΩ

• Insulation resistance: 1500MΩ

• Solder cup aperture: 0.03 inches

It’s compact, reliable, and engineered for clean soldering and tight fits.

Built for DIY Aquarists and Reef Technicians

This connector fits seamlessly into any sensor cable build, and its design makes it ideal for those who prefer to do things the right way—on the first try. Whether you're wiring up a float switch or integrating a leak sensor, this plug is your go-to choice for HYDROS controller setups.

Bonus: It won’t strip, melt, or warp under a soldering iron. We've all been there. This avoids that mess.

Covered by a No-Nonsense Warranty

CoralVue and HYDROS stand behind this product with a 90-day warranty against manufacturing defects. That means you get peace of mind—and no finger-pointing if something goes sideways.

Where This GX12 Connector Hydros Plug Fits In

Use it when:

• Building or extending HYDROS Sense Port cables

• Repairing broken or intermittent signal connectors

• Creating custom automation solutions for reef monitoring

• Connecting analog sensors, digital switches, or custom probes

It’s the kind of part you’ll wish you had more of when your project’s halfway done.

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