Subtotal:
$279.95
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Neptune Systems Optical Level Sensor
$59.95
Reliable Infrared Water Level Detection for Your Aquarium
1 in stock (can be backordered)
Neptune OS-1 Optical Level Sensor
Reliable Infrared Water Level Detection for Your Aquarium
The Neptune Optical Level Sensor (OS-1) offers precise, real-time monitoring of water levels in your aquarium system. This compact sensor uses reflected infrared light to detect changes in state from wet to dry (or vice versa), providing reliable level detection and triggering alerts or actions via your Apex controller.
Simply connect it to your FMM module and configure it for a range of applications — from automatic top-off systems to sump high-level warnings.
Key Features of the Neptune OS-1 Sensor
Connects directly to your FMM Module
Uses reflected infrared light for accurate detection
Detects wet-to-dry and dry-to-wet transitions
Ideal for ATO systems, sump high-water alerts, and water storage monitoring
Includes fastening nut and silicone washer for secure installation
Cable length: 3 meters
Sold individually
Perfect for Multiple Aquarium Applications
Custom Automatic Top-Off (ATO) Systems
High-Level Warning Sensor in Sumps
Water Storage or Reservoir Level Monitoring
Leak prevention safeguards
Durable, accurate, and easy to install, the Neptune OS-1 Optical Level Sensor is an essential addition to any modern reef-keeping setup.
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