1. Introduction 17MM102E2/NCZ2 speed sensor, designed and manufactured by ZELRI-NB, is a single channel hall-effect rotating speed sensor. The detected object is magnetic gear which module is not less than 1.25, can be used to detect and control of rotating speed, linear speed and acceleration of wheel and axle. Due to contact-less with tested gear wheel, wear-less, easy for installation, simple in structure, reliable performance, wide speed range, wide temperature scope, strong resistance to vibration, good air-proof, it is suitable to many kinds of vehicles.2. Main technical dataPower supply Vs: 15VDC±20% Operating temperature : -40+100Speed detectable range: 18Hz ~3KHzGear wheel: m≥1.25,ferromagnetic materialWorking air gap: 0.2mm~2mm, standard: 1.1mmOutput channel: Single channelOutput waveform: Square wave, rise and fall time less than 10usOutput voltage: High level VH≥9.5V, low level VL≤0.5V ,with 10KΩ load Waveform duty: 50%±25%Current consumption(without load): ≤33mAProtection against wrong polarity of power supply YesShort-circuit proof: YesInsulating voltage strength: 1500V/60Hz/1s(output end to shield layer and shell)Insulation resistance: ≥20MΩ(500V Megohm meter)Resistance to vibration: Horizontal 17g,vertical 30g, longitudinal 27gResistance to shock: 100g all Axis
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