Optical Water Level Sensor

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    Optical sensors are the go-to sensor if you want a reliability over a long period of time. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir that has up to 1/4" thick walls.   Includes Magnetic…

    $34.95 Regular Price: $

    …high-level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel. Included are a fastening nut and silicone washer.    What's Included? 1x OS-1 V2 Optical Sensor with nut and…

    $24.95 Regular Price: $

    …Dual Optical Eye for Safety * Works in Complete Darkness * Includes RO Solenoid Valve * Eliminates Waste Water Run-Off   Optical Sensor Installation The optical sensor can be mounted in any reservoir with a wall thickness under 1/2" at the level you wish…

    $69.99 Regular Price: $

    …options below and add even more functionality!   OPTICAL WATER-LEVEL SENSOR (OPTIONAL) There are many useful purposes for water-level sensors on an aquarium. They can help you build an auto-top-off, monitor the levels in your supplement containers, even help automate saltwater…

    $99.95 Regular Price: $

    …World’s smallest dual-sensor ATO * Two layers overfill protectionIntelligent QST programming * Secondary optical sensor * Super precise water level control * Super easy installation; plug-and-play * No programming or adjustments required * Works in complete…

    $119.99 Regular Price: $

    …Using a tiny optical sensor, AutoAqua's Smart Level Sensor will cut power to the outlet when the sensor detects a change in water level. The plug & play design requires no difficult programming and the magnetic attachment makes placement and adjustments of the level sensor quick and easy.…

    $59.99 Regular Price: $

    …options below and add even more functionality!   OPTICAL WATER-LEVEL SENSOR (OPTIONAL) There are many useful purposes for water-level sensors on an aquarium. They can help you build an auto-top-off, monitor the levels in your supplement containers, even help automate saltwater…

    $199.95 Regular Price: $

    …safe zone.   Smart Level Security Sensor - Prevent overflows or dry running equipment by placing the sensor at a high point out of the water, or a low point under the water. When the optical sensor views a change in the state of the water level, the outlet will instantly cut the power…

    $159.99 Regular Price: $
    Out of Stock

    water level will start to rise in the sock tray, and that is where the optical eye sensor comes into play. Once the water level reaches the eye, the Klir will automatically activate the roller, exposing new fleece and allowing water to flow freely again, dropping the water level below the sensor.  …

    $249.99 Regular Price: $

    …Tank Thickness - 0.5" * Pump Dimensions - 1.7"L x 1" W x 1.45"H * Warranty - 12 Months * Water level detection - Optical   What's Included? 1x Dual Optical Sensor 7' Tubing with Mounting Bracket 1x Optical Sensor Gaurd 1x Power Supply 1x Pump

    $99.00 Regular Price: $

    …World' First 4-Sensor ATO Low water level optical sensor Two sensor dual-stage overfill alarm w/QST programming One sensor for run-dry protection Versatile & easy plug-and-play installation Super precise water level control No programming or adjustments…

    $199.99 Regular Price: $

    …Factors and Calculator - Click here   The SQ-520 Par Sensor has been specifically designed to give reliable and repeatable readings under LED lighting. With an increased spectral range, and larger sensing optic you will get more precise readings with all types of lighting systems.…

    $438.00 Regular Price: $

    …The Micro ATO includes an optical water level sensor to keep an eye on the level within the sump with no moving parts. The optical sensor is very reliable, even in complete darkness, keeping a steady water and salinity level replacing any evaporated water with fresh water. The Micro ATO, like its…

    $134.99 Regular Price: $
    Out of Stock

    …visually see if their are any issues with your top off system.  Two technologies of water level monitoring, and built in safety back-ups. The optical eye sensor will keep the water level very steady to keep the salinity from fluctuating in your aquarium.  The Osmolator does work…

    $199.99 Regular Price: $

    …only * Internal Dimensions - 1.4\"L x 1.4\"W x .6\"H * External Dimensions - 1.75\"L\" x 1.25\"W * Warranty - 12 Months * Water level detection - Optical   What's Included? 1x Sensor 60\" Tubing 1x Power Supply 1x Pump 1x Tubing Holder

    $89.99 Regular Price: $

    water level will start to rise in the sock tray, and that is where the optical eye sensor comes into play. Once the water level reaches the eye, the Klir will automatically activate the roller, exposing new fleece and allowing water to flow freely again, dropping the water level below the sensor.  …

    $299.99 Regular Price: $

    …media of your choice.    XPAquas proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level constant, the two sensors also work in concert with the intelligent QST programming to help prevent…

    $149.99 Regular Price: $

    …2-meter shielded cable   The MQ-510 Par Sensor has been specifically designed to give reliable and repeatable readings underwater with LED lighting. With an increased spectral range, and larger sensing optic you will get more precise readings with all types of lighting…

    $538.00 Regular Price: $

    …2-meter shielded cable   The MQ-510 Par Sensor has been specifically designed to give reliable and repeatable readings underwater with LED lighting. With an increased spectral range, and larger sensing optic you will get more precise readings with all types of lighting…

    $69.99 Regular Price: $
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