Marine Boat Fuel Level Sensor Sending Unit 240-33 ohms & 52mm Fuel Level Gauge 

Gauge Connection:

Black: Ground(-)
Red: 9-30VDC(+)
Blue: signal Input Connect the signal of the fuel sender
Yellow: Backlight(+)
White: No need connect(If need 240-33ohms, no need connect the white cable, if needed 0-190ohms, please take it to connect the negative)

Sender connection:

Brown: Signal output
Blue: Negative(-)

• - Protection ank: IP67
•  - Resolution range: 21 mm
•  - Assembly: SAE standard 5 holes
•  - Rated current for alarm switch: 500mA
•  - Operating temperatures: - 40 to 85 Celsius
•  - Fit for Fuel Level Gauge and Water Level Gauge
•  - Sensor Length :150mm/200mm/250mm/300 mm ,350 mm ,
•  - Mounting: 5 pieces of M5 screws and 2 mm thick gasket
•  - Output signal: 240-33 ohm (Standard American)

• - Signal: 240-33ohms
• - Empty oil level: 240 ohms
• - Full oil leve: 33 ohms
• -When the oil / water level is empty , there will be a space of 3-15mm between the sensor float and the bottom of the sensor. This is a safe distance, and the sensor can work normally,Thank you~
• -When the oil / water level is full, there will be a space of 3-15mm between the sensor float and the top of the sensor. This is a safe distance, and the sensor can work normally, Thank you~

• - Material: PC Polycarbonate
• - Size: Approx. 8x8x7cm/3.15x3.15x2.76inch
• - Working voltage: 9-32V
•  - Working current ≤60mm
•  - Working temperature: -30~+75°C
•  - Gauge diameter: 52mm / 2inch
•  -Warning Light : When Fuel level less than 13%, the warning light will flash.