... container corrosive liquid, serum materials and solidity guide-wave radar level transmitterTechnical dataWorking frequency: 6.8GHzWave beam angle: 24°WPRD201, WPRD202 ... ): flange DN50, DN80, DN100, DN150, DN200, DN250Power: 24VDC±2V, ripple voltage: 1Vpp Power consumption: max 22.5 mAEnvironmental condition: temperature: -40 ... ×1.5 (cable diameter 5~9mm) intelligent guide-wave radar level transmitter