BF-DKT4 can be widely used in various applications requiring water level control, such as water level display and control of roof-mounted water tanks in hotels and dormitory buildings, and water level display and control of water towers.
The controller, equipped with BESFUL AT35-7-U6 water level sensor for water tank level measurement, can be used to control the water feeding operation for water tanks by setting up 4 water levels. It allows users not only to define the full water level and refilling water level according to their individual needs to control water feeding in case of water-shortage, but also to start output manually at any time, while providing protection against dry heating in case of water-shortage.
The current water level is visualized by 3-digit digital water content percentage display and five-segment water column.
Thanks to the wide range of rated power supply, the controller is able to ensure stable, reliable and durable operation by adapting to AC80V～240V power supply.
One-set AT35-7-U6 water level sensor input
Once-channel NO contact water feeding control output, two-channel ant-dry heating contact output
Water level display
Auto water feeding
Manual water feeding
Adjustable refilling water level
Adjustable full water leve
Protect against dry heating in case of water-shortage
Memory protection after power failure
Packing List of Product |
1. Main unit 2. 1 x AT35-7-U6 water level sensing wire kit (7 wires) 3. Waterproof cover for water level pinboard 4. M40 water level pinboard 5. User instructions 6. Mounting bracket |
Overall Dimensions (mm) |
L 91 × W 40 × H 52 |
Installation and Dimensions (mm) |
The controller can be installed on a standard DIN guide rail or permanently mounted with two fixing holes (hole pitch = 84 mm). |
Weight |
Net weight: 0.357 Kg Gross weight: 0.517 Kg |
Power Supply and Consumption Power |
AC (80～240)V, 2W |
Operating Conditions |
-10℃ ~ 50℃ |
Display Mode | LED digital display |
Keys | Push-type membrane keys |
Input |
One-set AT35-7 water level sensing wire input, measuring range: 0%, 30%, 50%, 80%, 100% |
Output |
1. One-channel relay NO contact output (controlling water feeding solenoid valve), two-channel relay NO contact output (controlling anti-dry heating in case of water-shortage). 2. Current capacity of each channel contact: 5 A (resistive load) and 1 A (inductive load) Able to control a 1000W electric heater or a 200W motor or water pump. AC contactor required for capacity expansion in case of larger load. |
Measurement Range |
0%, 30%, 50%, 80%, 100% |
Setting Range |
Setting range of full water level: 30%, 50%, 80%, 100% Setting range of refilling water level: 0%, 30%, 50%, 80% |
Control Range |
Water-shortage, 30%, 50%, 80%, 100% |
Other Parameters |
1. The signal wire of water level sensor can be extended by 100 m with ordinary wire for long-distance connection. 2. Memorize the set parameter for a long time after power failure |
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