Ato Sensor

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    …float valve that they do not need to drill or permanently mount to a reservoir. The Flood Guardian uses a dual optical sensor that can be magnetically attached to 5-gallon buckets, ATO containers, or even large saltwater mixing reservoirs, but then moved to any other container within seconds without…

    $69.99 Regular Price: $

    …jammed in a tiny package, the Duetto is 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…

    $127.99 Regular Price: $

    …for smaller tanks, approximately 50 gallons and under. One of the safest ATO’s available. Utilizes a single sensor to monitor water levels and a controller that protects against overdosing. Magnetic holder for sensors up to 10mm or .39". Max Head Height: 7.0 ft Introducing the little brother…

    $114.99 Regular Price: $
    Out of Stock

    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume - 7.93…

    $249.99 Regular Price: $
    Out of Stock

    Xp Aqua's Sumpless ATO - Complete ATO & Surface Skimmer for Sumpless Aquariums Sumpless ATO is the first and only ATO designed specifically for aquariums without sumps. The combination of the sleek overflow box and the innovative dual-optical sensor ATO will help to keep your aquarium topped off and…

    $149.99 Regular Price: $

    …your pump of choice, the JBJ ATO system is a great top off unitfor reefers on a budget. Audible Alert Adjustable timer based Safety Multiple configurations Visual LED signals Includes float switches and brackets Float Sensors The A.T.O. is equipped with (2) float sensors that activate within seconds…

    $92.00 Regular Price: $
    Out of Stock

    Build Your Own Auto Top Off System for your aquarium. Perfect for the DIY reefer who likes fun projects and wants to save a few dollars. Assembly requires only basic tools and no soldering. Basic knowledge of electrical wiring required. Aquahub DIY Top-it-Off Kit Premium Kit includes: (2) Aquahub…

    $52.99 Regular Price: $

    …safest ATO’s available. It utilizes an electronic eye sensor to monitor water levels and a backup float switch sensor with an optional audible alarm. The controller protects the quiet metering pump from running dry and reports an empty storage tank. Two magnetic holders for sensors and…

    $229.99 Regular Price: $

    sensors Low Level: If water drops below this point, the pump will be 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

    $69.99 Regular Price: $

    …and around your aquarium. While this ATO system does require the HYDROS system to function, if you already have a HYDROS aquarium controller, this is a very economical add-on to manage water top off functions. HYDROS Water Level Sensor The HYDROS Water Level Sensor contains no moving parts that can…

    $79.99 Regular Price: $

    …into the optical sensor housing, there are no additional controllers to mount giving a clean and easy to install system. The Exo Mounts easily to clear sump and aquarium walls with internal magnets that securely hold on glass up to 5mm thick. The Reef Breeders Exo ATO system is an ultra-intelligent…

    $99.99 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…

    $27.95 Regular Price: $

    …up as a high-level sensor and another as a low-level sensor as part of a dual-sensor automatic top-off (ATO) system. You could place these tiny optical sensors inside your dosing containers so you could be alerted when they need to be refilled. You could place a couple in an ATO reservoir: one can…

    $39.99 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…

    $37.95 Regular Price: $

    …that can accept data from numerous different types of sensors. Supported Sensors Temperature probes Optical level sensors (single and dual) Capacitive non-contact liquid level sensors Rope leak detectors Point leak detectors Flow rate sensors Magnetic switches Push-button switches Drive Port The two…

    $199.99 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: $

    …multiple float sensors to trigger an alarm and stop water supply in the event of overflow. Features High precision stepper motor WiFi control via free mobile App Fully customizable water change and/or top off schedule Battery backup and memory settings Includes float sensors and alarms for overflow…

    $494.99 Regular Price: $
    Out of Stock

    …that can accept data from a variety of different types of sensors. Supported Sensors Temperature probes Optical level sensors (single and dual) Capacitive non-contact liquid level sensors Rope leak detectors Point leak detectors Flow rate sensors Magnetic switches Push-button switches Drive Port The…

    $449.99 Regular Price: $

    …When combined with a HYDROS Optical Water Sensor, this makes it possible to configure your controller to handle ATO as well, minimizing wire clutter in and around your aquarium. Just plug the pump into a Drive Port and the optical water level sensor into a Sense Port on the Control 2 or Control…

    $24.99 Regular Price: $

    …and plug in the solenoid. It is that easy. The solenoid works in conjunction with the ATO controller and sensor to allow the flow of RODI water to your sump and when the water level is replenished the sensor will tell the controller to shut off power to the solenoid to close the valve and stop…

    $29.89 Regular Price: $

    …trick up it’s sleeve. In addition to the four sensor ports, the FMM also has a DC24 accessory port and a power supply input. This adds another controllable outlet to your Apex set up. So, for instance, if you do want to make your own ATO and attach our available PMUP or Solenoid Valve, you…

    $104.95 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: $

    …with the ATK has four ports for sensors and probes. The two installed optical sensors for the ATK only use port-1 and port-2. This means there are two free ports that can be used for these optional purposes. Optical Sensors with Magnetic Mounts Whether for your ATO reservoir, to use as a sump-high…

    $224.95 Regular Price: $

    sensor cover you never have to worry about tank inhabitants causing false readings again, as an added bonus this cover will prevent sudden surface agitation from causing fluctuating water levels.Everything included, just install and enjoy consistent water and salinity levels. The JBJ Nano ATO is the…

    $109.00 Regular Price: $

    The IceCap Gravity ATO is a compact and simple auto top off solution for those wishing to replenish evaporated water in their aquariums without dealing with pumps, sensors, or power cords. No electricity required for operation Ideal for small aquariums or sumps Simple to set up and operate How It…

    $17.99 Regular Price: $

    sensor. The MOS plugs into an Apex FMM port and uses reflected infrared light to 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,

    $39.95 Regular Price: $

    …continuous vertical sensor that can identify the exact depth of a liquid in both inches and centimeters at any given time. This increased sensitivity in measurement can help you identify and be alerted of changes in evaporation, consumption, and dosing levels within sumps, ATO reservoirs, AIO tanks,…

    $44.95 Regular Price: $
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    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume - 3.96…

    $199.99 Regular Price: $
    Out of Stock

    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume -…

    $199.99 Regular Price: $
    Out of Stock

    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume -…

    $249.99 Regular Price: $
    Out of Stock

    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with red accents Specifications Volume -…

    $399.99 Regular Price: $
    Out of Stock

    …flush mount lid with finger cutouts for easy removal Clear front panel with engraved graduated measurements Cutouts for ATO pump power cables and water hosing Apex pump and sensor mounts Twin 1/4" John Guest input/output fittings Modern, all-black finish with white accents Specifications Volume -…

    $399.99 Regular Price: $
    Out of Stock
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