Electronic Air Pressure Sensor WG9727710002
Function/Functionality
1. Real-time measurement of the compressed air pressure in the braking air reservoir, converting the pressure into voltage analog signals and transmitting them to the instrument and the vehicle ECU;
2. The instrument in the driver's cab displays the two-channel braking air pressure values in real time, allowing the driver to view them;
3. When the air pressure drops below the safety threshold, the instrument gives an alarm and the buzzer provides a reminder to prevent brake failure due to insufficient air pressure;
Product features
1. Electronic pressure-sensitive chips offer higher measurement accuracy and faster response compared to the old-fashioned mechanical air pressure sensing plugs.
2. M16×1.5 standard external thread, directly screwed into the air storage cylinder, OEM size, plug-and-play.
3. 3-pin waterproof plug, dustproof and waterproof, suitable for damp chassis, mud and water, and bumpy working conditions.
4. Resistant to vibration and has strong temperature adaptability, capable of continuous stable operation for long distances and heavy loads.
5. Dual-channel air pressure monitoring system, usually one vehicle is equipped with two, respectively monitoring the pressure of the front and rear air storage cylinders.
Material
1. Threaded base: Carbon steel (galvanized for rust prevention)
2. Internal sensing chip: Silicon pressure-sensitive sensor element
3. Shell: PA66 fiber-reinforced engineering plastic
4. Sealing gasket: NBR oil-resistant and aging-resistant rubber, preventing air leakage
5. Plug terminals: Copper alloy plated, anti-oxidation, ensuring stable signal transmission
Electronic Air Pressure Sensor, SINOTRUK HOWO, SITRAK C7H, Heavy Truck Air Pressure Sensor, M16*1.5 Air Brake Pressure Sensor, 3 Pin Pressure Transducer
Q: Where is it installed and which trucks fit?
A: It screws onto air reservoir or air pipeline. Fits SINOTRUK HOWO A7, T7H, TH7, MAX, SITRAK C7H and HOHAN heavy trucks. Thread size M16×1.5 with 3-pin waterproof connector. Normally 2 pcs per truck for dual-circuit air brake system.
Q: What are the product features?
A: 1. Silicon pressure sensing chip, high measuring accuracy and fast response.
2. OEM standard M16×1.5 thread, direct replacement without modification.
3. 3-pin waterproof connector, dustproof and water resistant for chassis harsh environment.
4. Strong anti-vibration performance, stable under long-distance heavy duty operation.
5. Designed for dual-circuit air brake monitoring.
Q: What materials is this sensor made of?
A: Thread base: galvanized carbon steel for rust prevention. Sensing element: silicon pressure chip. Housing: PA66 glass fiber reinforced plastic. Seal ring: NBR rubber. Connector terminal: copper alloy with anti-oxidation coating.
Q:What are common failure symptoms?
A: Air pressure reading shows zero or stuck value; unstable or jumping pressure data; false low-pressure alarm; air leakage from sensor thread; dashboard stores sensor fault code.
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