Pressure Transmitter

Bourdon tube pressure gauges are widely used in industrial processes for pressure monitoring. Due to their mechanical structure and on-site usage conditions, various issues may occur over time. This guide summarizes typical failures, causes, troubleshooting methods, and calibration techniques for Bourdon tube pressure gauges. 1. Typical On-Site Failures and Causes 1.1 No Indication or Pointer […]

Pressure transmitters are essential instruments in modern industrial automation, responsible for converting pressure signals into standardized electrical outputs that can be used for process control and monitoring. However, they often operate in complex and dynamic environments, where pressure spikes can pose serious threats to sensor integrity. This article explores the structural design of pressure transmitters,

Pressure transmitters are among the most widely used instruments in industrial applications. Proper usage and handling are critical to ensure their long-term stability, measurement accuracy, and operational safety. Based on extensive industry experience, the following key precautions are recommended when using pressure transmitters: 1. Ensure Correct Power Supply Voltage It is essential to supply the

Differential pressure transmitters (DPTs) are essential instruments in industrial applications for measuring pressure, liquid level, and flow rate. They convert differential pressure into standardized output signals (e.g., 4–20 mA) for integration with display systems, controllers, and recorders, enabling continuous monitoring and automatic control. 1. Overview of Differential Pressure Transmitters A DPT measures the pressure difference

Pressure sensors are critical components in industrial automation and various monitoring systems. Their accuracy and reliability directly affect the efficiency and safety of entire systems. Therefore, conducting accurate testing to evaluate their performance and condition is an essential step in ensuring system stability. This article will provide a detailed guide on testing pressure sensors, including

In pressure and level transmitter selection, diaphragm material plays a critical role, especially under extreme working conditions such as strong corrosion, high temperature, and cryogenic environments. Proper material selection ensures the reliability, accuracy, and longevity of the transmitter. 1. Diaphragm Material Selection for Strong Acid and Strong Alkali Environments 1.1 Strong Acid Environments (e.g., Sulfuric

In industrial applications, differential pressure transmitters are widely used for liquid level measurement in tanks and containers. During installation and configuration, terms like “negative migration” and “positive migration” often come up. These adjustments are crucial for ensuring accurate measurement. This article explores why negative and positive migration are necessary, how to calculate the migration amount,

1. Definition of Accuracy and Range Accuracy Class:Refers to the maximum permissible error as a percentage of the full-scale range.For example, a gauge with an accuracy of Class 1.0 means the measurement error is within ±1% of its full range. Measurement Range:Indicates the span between the minimum and maximum measurable pressure.E.g., a 0–10 MPa gauge

A Barometric Pressure Transmitter is an instrument designed to measure atmospheric pressure and convert it into a standardized electrical signal for monitoring or control purposes. As a key member of the pressure transmitter family, it holds significant importance in various industrial, scientific, and environmental applications due to its accuracy, reliability, and versatility. 1. Laboratory Standard

In the field of industrial instrumentation, pressure transmitters often require adjustments to their measurement range, especially when installed in varying physical positions relative to the pressure tapping point. This process is known as zero migration, which includes zero elevation, zero suppression, and no migration. Understanding and properly adjusting for these conditions is essential to ensure