The special speed sensor on the vehicle, a magnetic sensitive element and the internal bias field, when there is a change in the external gear rotation will cause the internal bias magnetic field, magnetic sensitive elements to the change of themagnetic field signal into the voltage change signal, the circuit for signal processingoutput to a detection device. Due to the magnetic field variations of tooth and slotgear through the sensor caused by different, change of output voltage sensitive element is different, so the sensor can detect the number of teeth or tank gear, so as to realize the speed detection.
1, non contact detection, stable performance
2, no direction, high sensitivity
3, wide temperature range, high thermal stability
4, can realize zero speed to high speed detection, low speed performance
6, a short circuit protection, polarity protection
7, fully sealed design, protection class IP67, waterproof, oil proof, dustproof
Working voltage: DC5-24V, DC10-32V (optional) no-load current is 10mA
Output mode: NPN type, PNP type (optional) load current is 40mA
The induction distance: the rising edge of 0-2.5mm time < 20 μ
The output signal: pulse voltage fall time < 10 μ
Operating temperature: -40 degrees ℃ -150 ℃ corresponding frequency 0-15KHZ
The output for the NPN load between VCC and OUT, PNP output load between OUT and GND.
1, the automobile engine speed detection
2, the AMT transmission control system of automobile
3, ABS wheel speed detection