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The TN family of multi-tube fuel level sensors is expertly engineered to provide highly accurate and continuous fuel level monitoring specifically designed for generator fuel tanks. Developed to meet the rigorous demands of modern power generation equipment, these sensors deliver a reliable analog output signal that ensures seamless and easy integration with existing generator control panels and monitoring systems. By utilizing a highly responsive and proven float mechanism that dynamically moves in tandem with the fuel level, the TN series guarantees precise, real-time measurements. This continuous data flow allows operators to maintain optimal fuel management, ensuring generators are always ready to perform and preventing unexpected operational downtime.
What distinguishes the TN family in the market is its highly efficient, multi-functional integrated design. Rather than relying on multiple separate components, these advanced senders combine fuel suction, fuel return, and level sensing into a single, cohesive assembly. This consolidated approach significantly simplifies the internal plumbing of generator fuel tanks, reducing the number of tank penetrations required and thereby minimizing potential leak points. Furthermore, to maintain system integrity and prevent clogging, these units are equipped with a high-quality filter and an optional air vent. This critical combination works to equalize tank pressure and block debris from entering the fuel lines, ensuring a steady, clean, and uninterrupted fuel supply to the generator engine under varying operational conditions.
Recognizing that generator systems vary widely in capacity, fuel consumption rates, and overall design architecture, the TN series offers outstanding configuration flexibility. To accommodate diverse fuel flow requirements, these multi-tube level senders are available in versatile pipe diameters of 8mm, 10mm, and 12mm. This variety empowers engineering teams and procurement specialists to select the exact specification needed for their specific system layout, allowing for maximum flexibility in system design. Additionally, the sensors feature various connector options engineered for quick, secure, and hassle-free installation, which significantly reduces assembly time on the manufacturing floor or during field retrofits.
The following technical specifications detail the standard parameters and customization options for the TN-300 multi-tube level sender. These data points are provided to assist engineers and procurement teams in verifying dimensions, output signals, and pipe configurations for generator fuel tank integration.
| Model # | TN-300 |
| Length | 300mm from the bottom to the edge of head unit, 110mm~1500mm is customizable |
| Material | Stainless steel probe and NBR float |
| Output | 0-190ohm or 240-33ohm, customizable |
| Resolution | 21mm in resolution (default) |
| Float Dimension | 35*32 NBR |
| Fuel Suction Pipe | φ8mm, 10mm, 12mm is optional, filter unit is optional |
| Fuel Return Pipe | φ8mm, 10mm, 12mm is optional, length is customizable |
| Air Vent | φ6mm in default |
| Cable Length | Default length is 460mm without connector; length is customizable |
| Connector | It's optional to be integrated on the cable |
The detailed visual references below illustrate the multi-tube structural design, highlighting the arrangement of the fuel suction, fuel return, and air vent components.

