Loop Powered LED Indicator for Field Mounting

LED-W11 is a digital indicator for installation directly in a 4-20 mA loop without need for external power. The indicator is equipped with bright, easy-to-read LED digits, and the scale is easily programmable without reference signal.
LCD-W11 is designed for field mounting on wall, pipe or DIN rail and has a rugged and splash proof housing.
A temperature transmitter can be integrated for direct sensor input.

  • Bright, 4-digit LED display with red 14.2 mm / 0.56 ” digits
  • Installation directly in a 4-20 mA loop without need for separate power supply
  • Simple pushbutton scaling without reference signal
  • Any range between -1999 to 9999 for 4 to 20 mA input
  • Labels for different engineering units are included
  • Typical accuracy of 0.05 % allows for high precision read-outs
  • HART transparent
  • Integrated transmitter as added option
  • Field mounting in rugged IP65 / NEMA 4X housing with double cable conduits
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Technical Specification

Type of Display LED
Input Current 4-20 mA
Maximum current 30 mA
Minimum current for operation ~3,5 mA
Voltage drop < 5 V
Indication range -1999 to 9999
Digit height 14,2 mm
Protection class IP65 / NEMA 4X
Typical accuracy 0,05 % FS ±1 digit
Operation temperature -25 to +80 °C
Dimensions 80 x 110 x 65 mm

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