Front Left ABS Wheel Speed Sensor 47910-EA025 47910EA025 For Nissan Frontier Pathfinder

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The wheel speed sensor was initially used to replace the mechanical linkage from the road wheels to the speedometer, eliminating cable breakage and simplifying the gauge construction (elimination all moving parts except for the needle/spring assembly). With the advent of automated driving aid, such as electronic ABS, the sensor also provided wheel speed data to the controllers to assist the operator in maintaining control of the vehicle. The vehicle Speed sensor is also used for the proper shifting up of gears for the vehicle maintenance.

ABS wheel speed sensor

Sensor design and measuring principle of the wheel-speed sensor

 

A wheel-speed sensor consists of a silicon integrated circuit in the sensor head, which is hermetically sealed with overmolded plastic. Bosch wheel-speed sensor circuits use Hall technology, which incorporates the Hall-sensing element, signal amplifier and signal processing all on a single chip. The circuit is exposed to the changing magnetic field of the rotating encoder, which is either a multipole or a steel wheel. In case of a steel wheel application, a magnet placed inside the sensor is needed.

The Hall element generates an alternating voltage that is proportional to the changing magnetic field. The sinusodial voltage is processed by the circuit into an alternating digital output signal, and the wheel-speed information is transferred into load-independent rectangle current impulses. The frequency of the current pulses are directly proportional to the wheel speed. A detection of very low speed nearly up to stand-still (0.1 km/h) is possible.

 

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    Q1: How do you pack goods?

    A:Generally,we pack our goods in our own brand color box and brown (white) carton or corrugated outer cartons are also available per customers’ requirement

    Q2: What are you terms of payment?

    A:Negotiable.Usually T/T 30% as deposit,and 70% before delivery.We will show you the goods photos of the products and package before your pay the balance.Also can accept Paypal,Western Union.Credit card available.

    Q3: What are your terms of delivery?

    A: EXW , FOB 

    Q4: What is you MOQ?

    A: We have MOQ of 10 piece,for formal order the MOQ is acceptable

    Q5: How about you delivery time?

     A: If we have goods in stock,it takes in 3-7 days after receiving the payment.The specific delivery time depends on the items and quantity of order.

    Q6: What can I do if could not find the goods on you website?

    A: You’re much welcome to contact our sales with specific information (such as OE number,and the pictures of back side front side and pin configuration etc ),so that we can check it for you whether we can make the item or not.

    Q7: How to get a quotation?

    A: Advice us the needed OE number,color,picture,etc via email or on-line chat tool.We will send you the quotation ASAP. 

    Q8: How do I know that you have sent out the parts?

    A: Once the parts have been sent out,the tracking number will be provided so that you can check where your goods at all times.

    Q9: What is your sample policy?

    A:We can supply the sample,but customers have to pay the sample cost and the shipping cost.

     

     

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