What's the difference between FMCW and pulse radar level meters? Which radar technology is more advanced?

FMCW radar uses continuous frequency modulation offering higher accuracy, smaller dead zones, and lower power than pulse radar

FMCW and pulse radar represent two distinct radar level measurement technologies with different characteristics in signal processing, measurement accuracy, and application scenarios.

  • Operating Principle: FMCW uses continuous frequency-modulated waves calculating distance through frequency difference; pulse radar transmits short pulses measuring through time difference
  • Measurement Accuracy: FMCW achieves higher precision up to ±1mm; pulse radar typically offers ±3mm accuracy
  • Close-range Measurement: FMCW can measure extremely short distances (smaller dead zone); pulse radar has larger dead zones
  • Power Consumption: FMCW features lower power consumption suitable for battery operation; pulse radar has higher peak power requirements
  • Signal Processing: FMCW involves complex processing but offers superior interference immunity; pulse radar processing is relatively simpler
  • Cost Consideration: FMCW technology costs more; pulse radar is relatively economical

FMCW radar technology represents the advancement trend in radar level measurement, particularly suitable for high-precision applications like river monitoring and reservoir management. Ecolor Technology's visual radar level meters employ advanced FMCW technology combined with EC32/EC60 RTU series for precise remote water level monitoring.

Radar Level Meter
What are the key features and advantages of visual radar level meters compared to traditional level measurement devices? What's the difference between radar level meter and ultrasonic level meter? Which water level measurement is better?