Solar LCD Car TPMS SP370 Wireless Tire Pressure Monitoring System with 4 Sensors
– Tire pressure alarm, wireless transmission; four wheel simultaneous monitoring on the color display
– Prevent problems before they occur: prevent puncture and air leak to balance air pressure, save fuel, and reduce wear
– With 4 external/internal sensors
– Easy to install
– The battery life is about two years, and the battery can be replaced (installed on the valve core)
– Anti-corrosion coating on the surface of the casing
– Hexagonal nut anti-theft patent
– Patented silicone integrated molding structure with unique external tire pressure sealing and ventilation to prevent air leakage
– The battery life is about five years, and the battery can be replaced (replace the original valve core, balance after installation).
– Aeronautical road alloy gas nozzle
– Quality battery
– The casing is made of nylon chemical fiber to prevent corrosion
– An adjustable angle link between the nozzle and the sensor ensures that the angle is adjusted to be flush with the edge of the wheel
– Professional installation is recommended
Tire pressure sensor module working state
Because the tire pressure detection module is powered by battery, the battery life problem becomes a problem that needs to be considered, especially in software design. The low-power algorithm implementation should be carefully designed and can be roughly divided into the following states:
– Storage status: The system is in an unused state and it should enter deep sleep mode
– Transportation status: The detection module has been loaded and is not actually used during transportation.
– Parking status: Activated and started working, but stopped at this time, the speed is 0
– Driving status: Through the acceleration sensor, the speed change is detected, the running state is entered and the tire pressure, tire temperature, speed, etc are detected.
– Low voltage status: If the battery voltage is too low, continuing to work will cause the related functions not to work properly, and a warning will be issued.
– Leakage condition: A tire leak is detected by continuous inspection, and a warning is issued.
– High-efficiency solar panel, superior long duration capability
– Large-capacity built-in metal lithium battery
– Accurate monitoring of tire pressure stability values all the way
– High precision LCD display
– Large volume alarm sound alert
– A variety of tire pressure units are available
– Long receiving distance with stable signal
– Support tire position interchange
Real-time monitoring: The tire's pressure and temperature status can be monitored regardless of whether the vehicle is running or at rest. The tire status is under control.
High pressure/low pressure alarm: When the tire pressure is higher or lower than the set value, the system will give an alarm.
Air leak alarm: The system will give an alarm if a foreign object penetrates into the tire and generate a leak.
High temperature alarm: When the tire temperature exceeds 80 °C, the system will give an alarm.
Ultra-low power consumption: Extremely optimized operating mode, system battery life is up to 5 years.
Sensor communication fault alarm duration: ≤10min
Battery model: CR2450HR (capacity: 550mAh)
RF frequency: 433.92±0.1MHz
No RF emission average operating current: ≤1μA
RF emission maximum operating current: ≤15mA
High frequency transmission power: 7~9dBm at 50Ω
High frequency modulation mode: FSK (9.6Kbps)
Low frequency receiving frequency: 125±5 KHz
Low frequency receiving mode: ASK (3.9Kbps)
Low frequency signal receiving sensitivity: 1~50mVp-p
Pressure measurement range: 0~4.5Bar
Pressure measurement resolution: 25mBar
Temperature measurement resolution: 2 ° C
Pressure measurement accuracy: ±75 mBar at -20°C~+70°C, ±150 mBar at -40°C~+120°C
Temperature measurement accuracy: ±4°C at -20°C~+70°C
Resistance to rotation: ≥1500g
Operating temperature range: -40 ° C ~ +105 ° C
Storage temperature range: -40 ° C ~ +125 ° C
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.
1 x Host
4 x Sensors
1 x USB Charging Cable
1 x Pack of Mounting Accessories
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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