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PMD55B Differential pressure transmitter - Processelite

*Picture for reference only !

Product name:

Differential pressure transmitter

Product series:

PMD55B

Product brand:

E+H/Endress+Hauser

Product feature:

• Wireless control of the device in the process area with the SmartBlue App without interrupting the process • Reduce on-site accidents and protect equipment when instruments are installed in difficult-to-reach areas • Reduce systematic failures with error-free SIL commissioning and instrument-guided proof testing

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Measuring principle:

The differential pressure transmitter measures by detecting the pressure difference between two pressure points. The device is connected to different measurement points of the process system through two pressure ports: the high-pressure side (HP) and low-pressure side (LP). When gas or liquid media act on both sides, the generated differential pressure (ΔP) causes the internal sensing element, such as a metal diaphragm, to deform mechanically. This deformation is converted into an electrical signal through capacitive sensing or resistive strain gauge technology. The signal is then processed by the signal conditioning circuit, including amplification, linearization compensation, and temperature correction. Finally, the transmitter outputs an industrial standard 4–20 mA analog signal or digital signals such as HART protocol.

Product positioning:

Economical

Using scenario:

PMD55B is one of the members of the new generation Deltabar transmitter family. The transmitter features a rugged and durable design, supporting both local and remote operation. With a mobile device and secure Bluetooth connection, the transmitter can be remotely controlled via the app. PMD55B supports condition-based maintenance, significantly improving service efficiency. The software is also easy to use. Intuitive operation guides help users complete instrument configuration, functional safety tests, and verification tests step by step, minimizing the risk of operational errors.

防爆型式：

非防爆

Ex i

Ex d

精度：

±0.055% o.f.s.

±0.075% o.f.s.

最大量程：

≤4MPa

最小量程：

≥3kPa

单侧静压：

≤25MPa

通讯方式：

4-20mA HART

PROFINET

一年稳定性：

0.05% URL/年

0.18% URL/年

0.25% URL/年

五年稳定性：

0.13% URL/5年

0.35% URL/5年

1.25% URL/5年

十年稳定性：

0.23% URL/10年

0.5% URL/10年

1.5% URL/10年

防护等级：

IP66

IP67

IP68

外壳材质：

铝/铸铝

供电电源：

24V DC

人机界面：

无显示&不可操作

有显示&可操作

SIL认证：

SIL2 (单表)

SIL3 (双表)

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Instruction

Operation

2D/3D

Certificate

Summary

PMD55B 操作指导.pdf

PMD55B 产品说明.pdf

PMD55B operating instructions.pdf

PMD55B technical information.pdf

PMD55B 产品概览.pdf

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