Sensor

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    …the perfect ATO for your aquarium. XPAqua’s 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…

    $119.99 Regular Price: $

    …control their aquarium. The LDK system will plug right into your current Apex through the Aquabus connections and includes two Leak Detection Sensors. The sensors can be placed in multiple areas around your tank and its equipment.  Pairing an Apex Controller with the LDK lets you monitor…

    $1,959.64 Regular Price: $

    …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.    Specifications: …

    $249.99 Regular Price: $

    …pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that pipe. The FS-50 will work with flow rates from 30-250 gph, and will connect to any standard 1/2" Slip PVC. The flow sensor itself uses…

    $29.95 Regular Price: $

    Know Your Flow! 1" Flow Sensor for the Fluid Metering Module from Neptune.  The FS-100 will work with flow rates from 150-1500 gph, and will connect to any standard 1" Slip PVC.   Usually used with a return pump, this flow sensor can be placed in line with the flow…

    $59.95 Regular Price: $
    Out of Stock

    …System * DOS pump * Aquabus cable * 4 meters of tubing * Power supply 1x DDR DOS Dual Reservoir * DDR with sensors and cable * 4 meters of tubing * Getting Started Guide   Requires:  Apex, Apex Classic, ApexEL, Apex Jr., or…

    $449.95 Regular Price: $

    …large body/heatsink is assisted by fans that help regulate the temperature even further. The fans will automatically engage when the temperature sensor reads over 131°F and will shut off when the temperature falls below 113°F keeping the operating range for the LEDs in a safe zone for a…

    $599.99 Regular Price: $
    Out of Stock

    …Measurements! The Smart Quantum SQ-520 PAR Sensor is a USB powered sensor that will hook up to any PC or MAC allowing you to use your personal computer instead of an expensive dedicated monitor with the included 15 foot long USB cable. Hooking a sensor up directly to your computer allows you to…

    $438.00 Regular Price: $

    …This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto-top-off), as a high-level warning sensor in your sump, water storage level sensor, and…

    $34.95 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $10.99 Regular Price: $

    …activated until the water hits the next sensor. * Fill Level: 1" above the low-level sensor, this sensor turns the fill pump off when it detects water. * High Level: 1" above the fill level, and 2" above the low-level sensor, this sensor deactivates the pump when it senses…

    $59.99 Regular Price: $

    … The SQ-420 USB Powered Quantum PAR Sensor is a valuable piece of equipment that can connect right to your windows or mac based PC that will read and record PAR data. PAR meters used to be a few hundred dollars for a simple, entry-level PAR sensor and now the SQ-420 has revolutionized the…

    $234.00 Regular Price: $

    …they are out of water – cavitate furiously when doing a simple water change – or spinning themselves to ruin. The WAV has advanced sensors that dramatically reduce these events from occurring. Even taking the pump out of water for a cleaning does not require it to be powered down –…

    $349.90 Regular Price: $

    …magnetic reeds enclosed in liquid level sensors are extremely reliable and long-lasting when utilized properly. Failures are nearly always a result of current overloading. Pumps, solenoids and many other devices that require control by a liquid level sensor carry "steady state" current ratings.…

    $15.99 Regular Price: $

    …flow. The controller gives you multiple programming options including feed mode, wave simulation, oscillating current, night mode (Moonlight Photo Sensor 7097.050 required), and auto-adjust wave timing modes. The Tunze Stream 3 can also be controlled by 3rd party aquarium controllers like an…

    $354.99 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: $

    …audible alarm in the event water comes in contact with its sensor pads. It is extremely sensitive and we have found they even work with RODI water. The Watchdog monitor is small enough to slip between sumps and stands, or the wired sensor can be placed in even tighter locations. A single 9V battery…

    $12.99 Regular Price: $

    …effectively remove detritus and other foreign particulates from your water without having to ever change a filter sock again. Utilizing a sensor to know when the fleece is starting to clog, the ClariSea will automatically advance the fleece ahead allowing clean fleece to trap more particulates.…

    $399.00 Regular Price: $

    …Cloud Support * Included Float/Optical Sensor Inputs* * On-Board Manual Override Buttons * Adjustable Speed Brushless Motors * Magnetic Stirrer Ports Included* * Backward Compatible * No Controller Required *sensors and stirrers not included   …

    $379.90 Regular Price: $
    Out of Stock

    …Monitoring Kit you get one 1″ Flow Sensor as well as two 1/2″ Flow Sensors. For North American customers, adapter fittings are also provided. (The 1/2″ sensors are rated for flow rates from 30-250 gph. The 1″ flow sensors are rated for flow rates from 150-1500 gph.) …

    $199.95 Regular Price: $

    …rest of your aquarium's filtration. Handling up to 500 GPH of flow through the fleece, after particles start to clog up the fleece the float sensor will automatically trigger the motor to turn the rollers and offer new fleece. * New compact design * Freestanding or hang-on…

    $259.99 Regular Price: $

    Optical sensors are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it.   This sensor plugs into your FMM…

    $24.95 Regular Price: $

    …turns into a disaster. Connecting the LD-2 Leak Detector to the FMM module will allow your Apex Controller to notify you if water ever touches the sensor. There are many applications for leak detectors from water on floor warnings, skimmer cup overflows and much more.  * Compatible…

    $29.95 Regular Price: $

    …tiny temperature sensor AutoAqua's Smart Temp Security system will keep your aquarium safe from temperature dips or spikes. The plug & play design requires no difficult programming with the preset settings. Just plug your heater or chiller into the Smart Temp, and mount the sensor anywhere under…

    $59.99 Regular Price: $

    …air pressure sensitive control box. As the fluid level rises in Davey's Locker it will trap air inside of the sensor tube and pressure will increase, activating the control box. The sensor pickup is very easy to clean and has absolutely no moving parts that can fail.    110V…

    $199.99 Regular Price: $

    …includes everything you will need to add leak sensors to your Apex Controller within minutes. * Includes two leak sensors * Compatible with all Apex models * Powered through Aquabus connection * Add up to four total leak sensors   Detecting a leak early can…

    $149.95 Regular Price: $

    …is no longer a problem. Trigger Systems Platinum 39 Sump uses a 10" wide x 150-foot long fleece roll that is included.  * Magnetic Sensor Slider * Moveable and Removable Middle Partition wall * Input Plate Gasket Reduces Salt Creep * Four Dosing Tube Quick Connects *…

    $1,089.99 Regular Price: $

    …10.5" x 8.5" x 5.5" * Capacity - 2000ml per side (0.52 gallons) * Apex, Apex Lite, or Apex Jr. and DOS dosing system required to operate level sensors   What's in the Box? * DDR with sensors and cable * 4 meters of tubing * Getting Started Guide

    $199.95 Regular Price: $
    Out of Stock

    …Skimmer Security sensor and outlet. The easy to clean optical sensor will magnetically couple to any skimmer collection cup (up to 1/4" thick), and when the cup gets full it will shut down your skimmer pump keeping the skimmate in your cup and not your sump. Just mount the sensor inside of your cup…

    $59.99 Regular Price: $

    Sensors. The sensors can be placed in multiple areas around your tank and its equipment. Pairing an Apex Controller with the LDK lets you monitor and control your aquarium in the event of a leak or an overflow. With Neptune Fusion, you can easily set up alarms that will notify you if a sensor

    $549.85 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: $

    …4 Measurement ranges (0-900 uS/cm, 0-9.0 mS/cm, 0-90.0 mS/cm, 0-50 ppt) * 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc * Full data logging support in Apex Base module * Up to 240 AquaBus modules can be added to the Apex system * Plug…

    $84.95 Regular Price: $