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DCL 531 Stainless Steel Probe with RS485 Modbus RTU

Meet the DCL 531 Stainless Steel Probe with RS485 Interface: Ideal for industrial use; this probe leverages Modbus RTU protocol for effective communication between multiple devices. Its robust stainless steel sensor ensures precise, stable measurements. Perfect for precision-demanding applications.

DCL 531 Stainless Steel Probe Product Parameters

  • Pressure Ranges: Gauge: 0.1 to 25 bar; Level: 1 to 250 mH2O; Overpressure: Up to 80 bar.
  • Output Signal: Digital RS485 with Modbus RTU Protocol.
  • Accuracy: ≤ ± 0.25 % FSO.
  • Electrical Connections: DC supply, 9 – 32 VDC.
  • Process Connections: Compatible with various industrial systems.
  • Media Compatibility: Robust against a range of media types.
  • Special Features: High measuring rate (500 Hz), IP 68 ingress protection, drinking water certificate available.


Product Highlights

The DCL531 Pressure Transmitter is a highly versatile and reliable device designed to measure nominal pressures ranging from 0 … 1 mH2O up to 0 … 250 mH2O. It features an RS485 output signal with Modbus RTU protocol, allowing for easy integration into various systems. With its compact diameter of 26.5 mm, the transmitter can fit into tight spaces without compromising performance. It boasts a small thermal effect, ensuring accurate readings even in fluctuating temperatures. The DCL531 offers excellent accuracy and good long-term stability, making it a dependable choice for critical applications. Additionally, it comes with a reset function for convenient recalibration. Optional versions of the transmitter include a drinking water certificate according to DVGW and KTW standards, as well as different cable and elastomer options to suit specific requirements.


  • Water/ Filtrated sewage
    • Drinking water system
    • Groundwater level measurement
    • Rain spillway basin
    • Pump and booster stations
    • Level measurement in container
    • Water treatment plans
    • Water recycling
  • Fuel and Oil
    • Fuel storage
    • Tank farm

To download the latest datasheet click here: DCL 531

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