Large Indicator

Model No: LD3500/LD3500L


  • Universal input
  • 4” or 6” Bright Red LED display option
  • Programmable alarm outputs
  • Keyboard calibration
  • Built-in transmitter power supply
  • Optional Programmable retransmission output
  • Rugged industrial design
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LD3500 series is an advanced Microcontroller based single channel Large Process Indicator used for monitoring analog signals in the majority of industrial processes. This series has 4 digits 7 segment bright red LED display. LD3500 has 4” LED display and LD3500L has 6” LED display. The process indicator can accept direct inputs from RTDs, Thermocouples or current and voltage inputs. Single/dual alarm output is provided wherein the alarm type and value is programmable from the front keyboard. The indicator is calibrated for all the basic inputs and the calibration is not required to be changed if the input type is changed. Recalibration if required could be done through keyboard. Optional isolated retransmission output can also be provided. This process indicator is designed for accurate measurement and display of pressure, flow, frequency, etc. LD3500 series is suitable for a variety of applications in industrial controls and process control systems.


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