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HOWO TRUCK SPARE PARTS Air Pressure Sensor LG9704710010 FROM SINOTRUK COMPANY
FUNCTION
1. Real-time Pressure Monitoring: Precisely detects air pressure within the vehicle's pneumatic braking system, converting pressure values into electrical signals for transmission to the dashboard, ECU, or alarm devices.
2. Pressure Signal Output: Provides air pressure readings for display on the vehicle's instrument panel, enabling the driver to constantly monitor the operational status of the braking system.
3. Safety Alarm Function: Triggers a dashboard warning light or an audible buzzer alarm when air pressure drops below a safe threshold, alerting the driver to take immediate corrective action and prevent brake failure.
4. Pneumatic System Protection: Assists the ECU or control unit in monitoring air pressure to ensure the proper functioning of pneumatic components-such as air horns, pneumatic doors, and brake valves-thereby preventing safety hazards caused by insufficient air pressure.
5. System Regulation Support: In certain vehicle models, it participates in the air pressure regulation logic, helping to maintain stable pressure throughout the entire pneumatic braking system.
Working Principle
An internal pressure-sensitive element detects changes in air pressure and outputs an analog or switching signal; this signal is transmitted via a wiring harness to an instrument or controller to provide pressure display and alarm functions.
Performance Advantages
| Performance Dimension | Specific Advantage Description | Practical Benefits |
|---|---|---|
| Measurement Accuracy & Stability | High-precision pressure sensing element that monitors air brake system pressure in real time with stable and reliable signal output | Accurate gauge readings, timely detection of pressure abnormalities, reducing brake risks |
| Response Speed | Rapid response to pressure changes with timely signal transmission | Quickly triggers warning when air pressure is low, allowing the driver to respond promptly |
| Durability & Environmental Adaptability | Made with metal + ABS materials, resistant to high temperature, corrosion, and vibration; suitable for harsh commercial vehicle conditions | Long-term stable operation in hot, cold, and bumpy environments with extended service life |
| Safety & Alarm Function | Precisely triggers low air pressure alarms and assists ECU in monitoring the air circuit system | Significantly improves driving safety and prevents dangerous situations such as brake failure due to insufficient air |
DETAILS
| DESCRIPTION | Air Pressure Sensor | PART NUMBER | LG9704710010 |
| WEIGHT |
1KG |
VOLUME |
10 cm × 8 cm × 5 cm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
Daily Maintenance Recommendations
Inspection Interval: Inspect the air brake system every 5,000–10,000 kilometers or once per month, paying particular attention to the air pressure gauge on the dashboard.
Symptom Monitoring:
Verify that the air pressure gauge needle is functioning normally (an alarm will trigger if the pressure drops below approximately 0.55 MPa).
Check whether the low air pressure warning light or buzzer activates abnormally.
After starting the engine, ensure that the system air pressure rises normally to above 0.7 MPa before commencing travel.
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