ZLL
CDG0821 Hall Speed Sensor
delivery time:2 weeks
product description
◎Dual-channel speed sensor based on Hall principle
◎True zero speed signal output
◎Wide range of speed measurement, strong anti-interference and anti-vibration shock ability
◎Speed sensor for CRH380B, CR400AF, CR400BF, CR300AF EMU traction system
Environmental characteristics
◎Altitude: ≤5000m
◎Relative humidity: ≤95% (the monthly average minimum temperature is 25℃)
◎Working temperature: -50℃～+140℃
◎Protection level: IP68 (0.5MPa, 2h)
technical parameter
◎Working power supply (Vcc): 10～30VDC, rated working voltage: DC15V
◎Speed measurement range: 0～20kHz
◎Working air gap: 0.2～1.8mm (standard value is 1.0mm)
◎Number of output channels: dual channel
◎Output signal: square wave, and rising and falling edges ≥3.5V/μs
◎Duty ratio: (50±20)%
◎Phase difference: 90°±30°
◎High level: ≥0.8Vcc
◎Low level: <1V
◎Dielectric strength (between all wires and shell): AC2500V[50Hz 60s]
◎Insulation resistance (between all wires and shell): ≥200MΩ (500V megohmmeter)
◎Protection function: power supply polarity protection, output short circuit protection
