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The Smart ATO Duo G2 by :contentReference[oaicite:0]{index=0} is an automatic top-off system designed to compensate for water evaporation and maintain stable salinity in aquariums.
Thanks to its new generation dual optical sensor and compact design, it is suitable for both nano aquariums and medium-sized aquariums.
The Smart ATO Duo G2 uses a patented dual square optical sensor, enabling very precise water level detection. This technology significantly reduces the risk of false detections due to water droplets.
The sensor works on clear, tinted, or painted glass and remains operational even in total darkness.
The QST technology provides real-time protection against failures. The system can detect a sensor malfunction, a pump failure, or an empty reservoir to prevent overflow or dry running.
An audible alarm and a LED indicator provide instant information on the system's status.
The touch controller constantly monitors the duration of refill cycles. An alert is triggered as soon as a refill exceeds six times the duration of the first recorded cycle.
For example, if the first refill lasts 10 seconds, an audible and visual alert is triggered beyond 60 seconds.
The Smart ATO Duo G2 is one of the most compact dual sensor ATO systems on the market. Its design protects the pump and power connectors from moisture, enhancing product safety and lifespan.
An integrated siphon break system prevents any uncontrolled water flow to the aquarium.
The system comes complete with all the necessary accessories for installation. The magnetic mount allows for easy attachment to glass or acrylic walls without drilling.
Input power: 100 to 240 VAC, 50–60 Hz.
Output power: 12 V DC, 1 A.
Power cable length: 180 cm.
DC pump included.
Maximum lift height: 250 cm.
Maximum flow rate: 280 liters per hour.
Pump cable length: 180 cm.
Maximum sensor mounting thickness: 12.7 mm.
Maximum hose holder thickness: 12.7 mm.
Cable length between sensor and controller: 180 cm.
Provided hose length: 200 cm.
Inner hose diameter: 6.5 mm.
Outer hose diameter: 9.0 mm.
1 Smart ATO Duo G2 controller.
1 universal power adapter.
1 DC pump.
1 universal hose holder.
1 siphon break device.
1 hose of 200 cm.
Compact and secure automatic top-off system designed to maintain a stable water level and constant salinity in the aquarium.