DCL 551 Stainless Steel Probe RS485 Modbus RTU

Precision level sensing for tough environments

Introducing the DCL 551 Stainless Steel Level Probe, designed for precise hydrostatic level measurement in tough environments like sewage and viscous media. Featuring a robust capacitive ceramic sensor, it performs reliably under high pressure. This probe integrates smoothly with Modbus RTU via RS485, allowing efficient binary data exchange between multiple devices. Ideal for accurate, efficient, and reliable level measurement in a variety of applications.

DCL 551 Stainless Steel Level Probe Product Parameters

  • Pressure Ranges: Gauge [bar]: 0.04 to 20, Level [mH2O]: 0.4 to 200.
  • Output Signal: RS485 with Modbus RTU for pressure and temperature.
  • Accuracy: Standard ≤ ± 0.35% FSO; Optional ≤ ± 0.25% FSO.
  • Electrical Connections: Direct current, VS = 9 – 32 VDC.
  • Process Connections: Max. ambient pressure 40 bar.
  • Media Compatibility: Resistant to various media; verify for specific applications.
  • Special Features: Integrated ventilation tube, adjustable units for pressure, IP 68 ingress protection.

DCL 551 Stainless Steel Level Probe Features

The DCL551 Pressure Transmitter is a versatile and reliable device designed for accurate pressure measurement across a wide range of applications. With a nominal pressure range of 0 … 40 cmH2O up to 0 … 200 mH2O, it offers precise readings for various pressure levels. The transmitter utilises an RS485 output signal with Modbus RTU protocol, enabling seamless integration with different systems. One of its standout features is its compact diameter of 39.5 mm, making it easy to install in tight spaces. 

Additionally, the DCL551 exhibits excellent long-term stability, ensuring consistent and reliable performance over extended periods. This transmitter is specifically well-suited for challenging environments like sewage systems, as well as for measuring viscous and pasty media. Moreover, it offers a convenient reset function, simplifying calibration and adjustments. For added customisation, an optional version with a diaphragm made of ceramics Al2O3 99.9% is available, catering to specific requirements. The DCL551 Pressure Transmitter combines precision, durability, and adaptability to deliver accurate measurements in a wide range of applications.

Applications

The DCL 551 Stainless Steel Level Probe is well-suited for use in sewage applications due to its robust construction and high resistance to corrosion. In sewage systems, accurate level measurement is crucial for monitoring and controlling the flow of wastewater, preventing overflows, and ensuring efficient treatment processes. The stainless steel housing and durable sensor design allow the probe to withstand the harsh, chemically aggressive environments typically found in sewage and wastewater treatment plants. Its reliable performance helps operators maintain compliance with environmental regulations and optimize plant operations.

In fuel and oil storage and handling, the DCL 551 probe provides precise level measurement in tanks and reservoirs. Accurate monitoring of fuel and oil levels is essential for inventory management, leak detection, and process control. The probe’s compatibility with hydrocarbons and its robust stainless steel construction make it ideal for use in environments where exposure to fuels, oils, and their vapors is common. Additionally, the probe’s ability to interface with digital communication protocols like RS485 Modbus RTU allows for seamless integration into modern industrial control systems, enhancing automation and safety.

The DCL 551 is also designed for use in water and drinking water applications. Its stainless steel construction ensures that it does not contaminate potable water, making it suitable for use in water supply systems, reservoirs, and distribution networks. The probe provides reliable and accurate level measurements, which are essential for maintaining water quality, managing supply, and preventing shortages or overflows. Its high accuracy and long-term stability make it a dependable choice for municipal and industrial water management.

To download the latest datasheet click here: DCL 551

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