Temperature transmitter

1. Introduction In modern industrial production, transmitters have become an indispensable category of measuring instruments. By integrating transmitters into traditional equipment, operators can achieve easier operation and maintenance, enhanced accuracy, and improved safety performance.In automated control systems, transmitters are considered a critical component, ensuring the stable and efficient operation of the entire system. Temperature is […]

1. Introduction Temperature is one of the most fundamental and widely measured physical parameters in industrial and daily life processes. Accurate temperature measurement and control are critical for ensuring product quality, improving production efficiency, conserving energy, and guaranteeing safety. Among all types of transmitters, temperature transmitters occupy a leading position in terms of quantity and

Thermocouples and Resistance Temperature Detectors (RTDs) are two of the most commonly used temperature sensors across various industries. Each of these devices has unique characteristics, which makes them suitable for different applications. Understanding the differences between thermocouples and RTDs in terms of working principles, accuracy, measurement range, response time, output signal, cost, and durability is

Temperature controllers play a crucial role in chemical plants, providing precision in various processes, ensuring both safety and efficiency. Below are the key areas where they are applied: 1. Reaction Process Control Temperature Monitoring in Chemical Reactions: Temperature is a vital control parameter in many chemical synthesis reactions. For example, in the Haber-Bosch process for

Introduction In thermal power generation, maintaining appropriate steam parameters is critical not only for system safety but also for operational efficiency. Among these parameters, superheated steam temperature stands out as a key indicator that must strike a balance between economic performance and system integrity. While drum pressure is important for safety, superheated steam temperature directly

1. Installation Orientation and Mechanical Requirements Vertical Pipeline Installation:Temperature instruments mounted on vertical pipelines must be installed at a 45° angle against the flow direction to ensure accurate temperature sensing and avoid measurement distortion caused by stagnant flow zones. Mounting Nozzle Length Standard: For flange ratings 150LB, use a 150 mm long nozzle. For 300LB

The insertion depth of a temperature sensor refers to how deeply the sensor’s probe is inserted into the medium being measured. This parameter plays a critical role in ensuring accurate and reliable temperature measurements. The optimal insertion depth can influence both the precision of the temperature readings and the sensor’s response time. Several factors need

A proper visual inspection of a bimetallic thermometer is a fundamental step to ensure its reliable performance. From the dial to the sensing element, thorough checking of visual features helps detect potential issues before they affect accuracy. This guide outlines key inspection steps, critical points to assess, and common defects to watch for. 1. Dial

1. Safety Measures and Preparations 1.1 Basic Safety Requirements Process Isolation & Power-Off: Disconnect power and signal loop (e.g., DCS) before maintenance. Explosion-Proof Precautions: Use explosion-proof tools in hazardous zones; never open housing when powered. Personal Protective Equipment (PPE): Use insulating gloves, anti-scalding gear, and chemical-resistant suits when needed. 1.2 Tools and Documentation Checklist Item

During the operation of transmitters, zero drift and temperature drift are common issues that affect their measurement accuracy. But what exactly causes these drifts, and how can they be addressed? Let’s explore. Causes of Zero Drift and Temperature Drift in Transmitters Intrinsic Component Asymmetry: The components used in the transmitter’s bridge circuit may have inherent