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Loop-powered digital indicators for hazardous areas - 830X Series

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The 830 X loop-powered digital indicators are universally applicable. The range (either 0 - 20 mA or 4 - 20 mA) is simply selected via terminals. Display starts working at an operating current of only 0.3 mA.The low voltage drop of 0.5 V allows application in current loops with low load voltage. Bargraph for quick range overview. The digital indicators provide a bargraph in addition to the digital display. This gives you all information on your process variable at a single glance.
Versatile setting capabilities
Zero, span, and min/max outputs can be adjusted as desired, enabling direct readout of measured values such as temperature, power, displacement, pH value etc. The indicator comes with a symbol set for standard engineering units. The symbols can easily be replaced. Thanks to microprocessor technology, you do not require a high-precision external reference current for parameter setting. Even during operation, the settings can be changed without problems.

  • The digital indicators are simply inserted into the current loop like passive analog indicators.
  • power supplies and their wiring are not required, costs could decisively be reduced, allowing for displays which have been too expensive before.
  • Applications in hazardous locations become easier and less expensive since the costs for intrinsically safe power supplies and wirings can be saved.
  • The reliability has considerably been improved since a power failure in the control room does not interrupt the data flow.
  • And, in contrast to conventional digital indicators, there is no coupling between measuring loop and power supply.
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