ZLL
CDG0820 Hall Speed Sensor
delivery time:2 weeks
product description
◎Dual-channel speed sensor based on Hall principle
◎True zero speed signal output
◎Two-wire current type output
◎Wide range of speed measurement, strong anti-interference and anti-vibration shock ability
◎Speed sensor for CRH380B, CR400AF, CR400BF EMU
Environmental characteristics
◎Altitude: ≤5000m
◎Relative humidity: ≤95% (the monthly average minimum temperature is 25℃)
◎Working temperature: -40℃～+125℃
◎Protection level: IP68 (0.5MPa, 2h)
technical parameter
◎Working power supply (Vcc): 10～24VDC, rated working voltage: DC15V
◎Speed measurement range: 0～20kHz
◎Working air gap: 0.4～1.4mm (standard value is 0.9mm)
◎Number of output channels: single channel or dual channel
◎The rising and falling edge time of output signal: ≤10μs
◎Duty ratio: (50±20)%
◎High-level current: 11.3 mA～17.4 mA
◎Low level current: 4.3 mA～8.9 mA
◎Dielectric strength (between all wires and shell): AC2500V[50Hz 60s]
◎Insulation resistance (between all wires and shell): ≥200MΩ (1000V megohmmeter)
◎Protection function: power supply polarity protection, output short circuit protection
