Techtrol Bar Screen Differential Control System

  • It offers a reliable, non?contact type microcontroller based system for continuous
  • measurement of differential level to automate bar screen operation at headworks of wastewater treatment plant, pumping stations and combined sewer systems. 
  • The system consists of two ultrasonic level transmitters (Ultratrol) installed on upstream and downstream side of bar screen to measure level and differential level controller(TDLC) for control operation.
  • Its features include: it is easy installation of ultrasonic transmitter through flanged connection; non?contact type measurement, minimal maintenance; IP65 enclosure protection to suit outdoor installation of transmitter;  inbuilt 24 VDC supply for transmitter; user friendly programming with key pad and display; four relay outputs for bar screen automation; option of re? transmission 4?20 mA for remote indication and control and RS?485 Modbus; RTU digital output;  Option of IIoT based remote monitoring using GPRS gateway and cloud database.

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