ZLL
CDG0204 Magnetic Speed Sensor
delivery time:2 weeks
product description
◎Multi-channel speed sensor based on electromagnetic induction principle
◎Electrical isolation between channels
◎Wide range of speed measurement, strong anti-interference and anti-vibration shock ability
◎Mainly used for CRH1, CRH2 and CRH380A EMU BCU system and ATP system
Environmental characteristics
◎Relative humidity: ≤95% (the monthly average minimum temperature is 25℃)
◎Working temperature: -40℃～+120℃
◎Vibration and shock: meet the requirements of type 3 axle installation in GB/T21563-2008
◎Protection level: IP68 (5bar, 2h)
technical parameter
◎Speed measurement range: 37Hz～3109HZ
◎Output waveform amplitude (load 1KΩ):
When the frequency is 37Hz: 1.0V≤Vrms≤6.5V; When the frequency is 53Hz: 1.4V≤Vrms≤9.3V;
When the frequency is 160Hz: 1.9V≤Vrms≤28.0V; When the frequency is 1000Hz: 6.0V≤Vrms≤28.0V;
When the frequency is 3109Hz: 6.0V≤Vrms≤28.0V.
◎Working air gap: 0.8±0.3mm
◎Output waveform: approximate sine wave
◎Number of output channels: 3
◎Phase difference: 1-2 channels: 90°±30°
◎Output signal frequency: f=ω×1.2(Hz), where ω is the actual speed (rpm)
◎Dielectric strength: AC 3000V[50Hz 60s]
◎Insulation resistance: ≥100MΩ (1000V megohmmeter)
◎Protection function: power supply polarity protection, output short circuit protection
