Sensor

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106 items found. Showing items 1 to 32 .

    …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. The Smart…

    $59.99

    …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

    …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.…

    $16.99

    …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.)   ONE PORT FREE – ADD ANOTHER SENSOR! The FMK comes…

    $199.95

    …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 the…

    $59.99

    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 Mount   This sensor

    $34.95

    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 and, using…

    $24.95

    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…

    $45.99

    Know Your Flow! 1/4" Flow Sensor for the Fluid Metering Module from Neptune.  The FS-25 will work with flow rates from 3-12 gph, and will connect to any standard 1/4" push connect tubing. Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to…

    $19.95

    …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.…

    $16.49

    …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

    …Includes float switches and brackets   Float Sensors The A.T.O. is equipped with (2) float sensors that activate within seconds when your water level drops and automatically refills your sump or tank until it reaches your desired set point. Each float sensor has been designed with an exterior guard…

    $84.99

    …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

    …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 to the Tunze…

    $97.46

    …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 the flow of…

    $22.99

    …Includes pumps & tubing Optical sensors = no moving parts Secure tube holders Siphon breaks   The simple system uses dual optical sensors, one for a high water level and another for a low water level. The high water level sensor acts as the ATO sensor, knowing when to refill your saltwater…

    $209.99

    …Fluid Metering Module with re-designed optical sensors to monitor your water level. The dual sensor design allows for the ATK to have one main water level sensor and the other as a backup should the first ever get dirty. On top of the optical sensors, a mechanical float valve is integrated into the…

    $199.95

    …and 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.…

    $375.00

    …The Seneye Magnetic Holder now allows you to securely hold your sensor under without the risk of it moving. The custom bracket holds the Seneye sensor's face against the wall of the tank, allowing you to have a full view of the sensors indicating lights.  3D printed for exact specifications Solid…

    $49.99 $29.99

    …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 programming to help prevent…

    $119.99

    …Bird will take care of the rest. The controller has an audible alarm that will sound if temperatures go over the high or low set point and if the sensor is ever to fault or fail. Programming an aquarium temperature controller cannot be made any easier than the Ink Bird ITC-308.    Large Dual Display…

    $39.99

    …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 Control Relay (standard)…

    Starting at:
    $189.99

    Know Your Flow! 2" Flow Sensor for the Fluid Metering Module from Neptune.  The FS-200 will work with flow rates from 300-3000 gph, and will connect to any standard 2" Slip PVC.   Usually used with a return pump, this flow sensor can be placed in line with the flow on any pipe, connected to the FMM,…

    $99.95

    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 on any pipe, connected to the FMM,…

    $59.95

    The Apogee Sensor Wand is fully submersible, allowing a PAR meter's sensor to be securely attached to the end of the wand. The wand lets you keep your hands dry while allowing you to get the sensor in hard to reach places your hands or make-shift holder can access.   Full-length fiberglass wand is…

    $59.99

    …for review Record measurement in Automatic mode or Manually Separate sensor head is fully potted, dome-shaped design - waterproof, weatherproof and self-cleaning MQ-210 Owners Manual   MQ-210 Spec Sheet   The MQ-210 Par Sensor has been specifically designed to give reliable and repeatable readings…

    $377.00

    …carbon, GFO or any media of your choice.    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…

    $149.99

    …light is available the 7097.050 photo sensor will turn your pumps off automatically by picking up how much available light is being picked up by the sensor. When the light is on the pumps will ramp up to follow the max settings on the controller. The photo sensor should be placed directly under your…

    $34.35

    …level in the sump box. Accepts the Modular Return Pump Basket Filter Creates a steady water level for the protein skimmer Perfect spot for ATO sensors Titanium clamping Screws Crystal clear acrylic   The Modular Return Pump Basket Module fits perfectly in the Somatic line of Filter Systems letting…

    $49.99 $29.99

    Hold your standard probes in style. Vertex Sensor-Mount is an acrylic probe holder which hangs on the edge of your reef tank 3 Standard size 1/2" holes   Overall Dimensions - 4" x 4" x 2"

    $11.99 $7.19

    …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.)   ONE PORT FREE – ADD ANOTHER SENSOR! The FMK comes…

    $99.95

    …of Mind Penny-Sized Sensors Auto Time Delay   Smart Skimmer Security Sensor - Just place the penny-sized sensor in your skimmers collection cup, and plug the pump into the outlet connected to the Smart Skimmer Sensor for overflow protection.   Smart Temp Security Sensor - Pre-set safe temperature…

    $159.99