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data sheet DCT 541

data sheet DCT 541

Product catalog summary

Overview: The DCT 541 is an industrial pressure transmitter designed for hydrogen and other technical gas applications. It features a welded, dry stainless steel sensor and utilizes the RS485 Modbus RTU protocol for communication.

Specifications:

Nominal Pressure: Ranges from 0 to 16 bar up to 0 to 1000 bar.
Output Signal: RS485 with Modbus RTU protocol.
Accuracy: 0.5% FSO according to IEC 61298-2.
Material: Media wetted parts are made of special stainless steel to prevent hydrogen embrittlement and ensure safety in oxygen applications.

Performance:

Long-term Stability: ≤ ± 0.1% FSO per year.
Measuring Rate: 500 Hz.
Thermal Error: ± 0.2% FSO per 10 K in a compensated range of -20 to 80°C.

Environmental and Mechanical Stability:

Temperature Range: Medium: -40 to 125°C; Electronics/Environment: -40 to 85°C; Storage: -40 to 100°C.
Vibration Resistance: 20 g RMS / 10 to 2000 Hz.
Shock Resistance: 500 g / 1 msec half sine.

Electrical and Safety Features:

Supply Voltage: 9 to 32 VDC.
Current Consumption: Max. 10 mA.
Protection: Short-circuit protection is permanent; reverse polarity protection prevents damage but disables function.
Compliance: EMC Directive 2014/30/EU and Pressure Equipment Directive 2014/68/EU for devices with overpressure > 200 bar.

Applications: The DCT 541 is suitable for use with technical gases, hydrogen, fuel cells, and in medical technology.

Additional Features: The device is oil and grease-free according to ISO 15001, making it suitable for oxygen applications. It also offers customer-specific versions and various mechanical connection options.

Catalog excerpts

Nominal pressure Output signal RS485 with Modbus RTU protocol Special characteristics ► media wetted parts of special stainless steel ► insensitive to pressure peaks ► high overpressure capability ► oil and grease free according to ISO 15001 (e.g. for oxygen applications) Optional version ► customer specific versions DCT 541IndustrialPressure Transmitter with RS485 Modbus RTU Welded, Dry Stainless Steel Sensor The industrial pressure transmitter DCT 541 was especially developed for hydrogen applications and can also be used with other technical gases (e.g. oxygen) and uses the communication protocol Modbus RTU which has found the way in industrial communication as an open protocol. The Modbus protocol is based on a master slave architecture with which up to 247 slaves can be requested by a master. For hydrogen applications, it is important to use a material that minimizes or prevents hydrogen embrittlement due to its chemical properties. For oxygen applications, the special cleaning and manufacturing process ensures that residual particles and hydrocarbons are minimized and no reaction can occur during production. Technical gases Hydrogen Fuel cell BD SENSORS GmbH BD-Sensors-StraUe 1 D - 95199 Thierstein

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Wiring diagramPin configuration / electrical connection Electrical connections Mechanical connections (dimensions mm / in) o metric threads and different versions on demand

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pressure measurement Electrical connection male plug M12x1 (4-pin) / metal customer © 2024 BD\SENSORS GmbH - The specifications given in this document represent the state of engineering at the time of publishing. We reserve the right to make modifications to the specifications and materials. BD|SENSORS GmbH BD-Sensors-StralJe 1 D - 95199 Thierstein

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