Check the listing for details. 125mm-350mm Marine Boat Fuel Sending Unit Tank Level Sender Sensor 240-33ohms US. Condition: New with tags. Listed at 18.80 USD. 125mm-350mm Marine Boat Fuel Sending Unit Tank Level Sender Sensor 240-33ohms US 125mm-350mm Water Fuel Level Sender Tank Level Sending Unit Car Marine Boat 240-33 ohms NOTES: This is a optional listing, please confirm the selected item before placing the order. Warning Alarm: When fuel level low than 13%, the warning light will flash. Gauge Connection: Black: Ground(-) Red: 9-30VDC(+) Blue: signal Input Connect the signal of the fuel sender Yellow: Backlight(+) White: Adjust(Touch the negative, the backlight will change) Sender connection: Brown: Signal output Blue: Negative(-) Description: Suitable for truck, generators/gen set, bus and marine field.Widely used in fuel, waste water.Reed switch, steady output signal.Simple and stronge structure , Advanced corrosion resistance.Long using life, anti-vibration,anti-explosion.High quality fuel level senser.Economical level sensing solution, long service lifespan. Fuel/Water Level Gauge Specification: Size: dia 52mmBacklight: RedIndicating Range:E- FWorking voltage: 9-32VWaterproof rating: IP67Material: Stainless steelSignal: 240-33ohmsWorking Temperature: -30~+75Storage Temperature: -40~+85Color: Black Sensor Specification: Please attention we have 6 models Level Sensor Length Range for choice:150mm, 200mm, 225mm, 250mm,300mm....Material: 316 Stainless SteelProtection Rank: IP67Resistance output signal: 240-33 ohm(Standard American)Operational Temperature: -40°F ~ +185°F (-40℃ ~ +85℃)Screw size: M5*16Level Sensor Support Water Level Gauge and Fuel Level Gauge Package Include: 1 x Fuel Level Gauge1 x Wire cable 1 X Instructions Or Package Include: 1 x Fuel Level Sensor 1 x Gasket5 x Screws INSTRUCTIONS Blue - GroundBrown- connect to instrument signal lineThe sensor can not be connected to the power supply, can not be connected to the positive electrode, does not need to be connected to the power supply, it is connected with the gauge signal directlyEmpty oil level 240 ohm/0ohmFull oil level 33ohm/190ohm Note:We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)