admin_zero, Author at Just Measure it - Page 196 of 370

admin_zero

Differences Between Explosion-Proof Markings Ex d and Ex db

Instrumentation /

Abstract The explosion-proof markings Ex d and Ex db are distinct classifications under different standards for explosion protection in electrical equipment. Ex d refers to the older standard GB3836.2-2010, which specifies requirements for equipment protected by a flameproof enclosure. Ex db, on the other hand, complies with the updated standard GB/T3836.2-2021, also designed for explosive […]

Differences Between Explosion-Proof Markings Ex d and Ex db Read More »

How to Evaluate the Coil Resistance of Electromagnetic Flow Meters

Flow meter /

Electromagnetic flow meters are widely used in industries where precise measurement of liquid or gas flow is essential. The coil resistance of these devices plays a crucial role in ensuring their accurate operation. The resistance values of the coils can vary depending on the model, manufacturer, and specifications, usually ranging from tens of ohms to

How to Evaluate the Coil Resistance of Electromagnetic Flow Meters Read More »

Choosing Between PNP and Relay Outputs: Which One is Right for You?

PLC /

In industrial automation, the design of instrumentation and control systems relies heavily on the proper configuration of sensors, switching signals, and actuators. Among the commonly used interface types, PNP signal output and relay output are two prevalent options. This article will explore the differences between PNP and relay outputs in terms of their definition, working

Choosing Between PNP and Relay Outputs: Which One is Right for You? Read More »

Common Faults and Troubleshooting of Differential Pressure Flowmeters

Pressure Transmitter /

1. Abnormal or No Display on the Flowmeter Possible Causes: Faulty differential pressure transmitter. Clogged or leaking impulse lines. Damage or improper installation of the throttling device. Power supply or signal line issues. Troubleshooting Steps: Check the differential pressure transmitter for proper operation. If necessary, recalibrate or replace the transmitter. Inspect the impulse lines for

Common Faults and Troubleshooting of Differential Pressure Flowmeters Read More »

From PLC to Industrial Automation: How Modbus Connects Everything

PLC /

Introduction In modern industrial control and automation systems, efficient and reliable communication between devices is crucial. To ensure seamless interaction among various equipment, communication protocols play a fundamental role. One of the most widely adopted protocols in industrial automation is Modbus. First introduced in 1979 by Modicon (now a part of Schneider Electric), Modbus has

From PLC to Industrial Automation: How Modbus Connects Everything Read More »

Factors Affecting Communication of HART Smart Pressure Transmitters

Hart /

The HART (Highway Addressable Remote Transducer) smart pressure transmitter is a high-precision, high-stability intelligent instrument designed for real-time communication and pressure measurement. It allows users to manage, adjust, and monitor process variables remotely via HART communication, as well as perform on-site configuration using buttons, making it convenient to operate. However, there are several factors that

Factors Affecting Communication of HART Smart Pressure Transmitters Read More »

The specific application of radar flow meters in the field of water treatment

Level meter /

Water, as an important resource and medium, requires precise flow measurement to ensure production safety, improve economic efficiency, and conserve resources. With the continuous advancement of technology, radar flow meters, characterized by non-contact measurement, high accuracy, and strong stability, have been widely applied in the field of water treatment. Radar flow meters measure the velocity

The specific application of radar flow meters in the field of water treatment Read More »

Current output transmitter

Transmitter /

The output range of a current output transmitter is 4–20mA. In a previous article, we explained why the conventional current output range is 4–20mA.  When the current output transmitter produces the minimum and maximum current, it respectively represents the minimum and maximum rated output values calibrated for the current transmitter. Let’s take a current transmitter

Current output transmitter Read More »

Is It Reasonable for the Interlock Set Point to Be Lower Than the Alarm Set Point in Storage Tanks?

PLC /

The configuration of alarm and interlock set points in storage tanks is a critical aspect of industrial process safety and efficiency. Understanding the relationship between these two parameters is essential for ensuring safe and reliable operations. This article will explore whether it is reasonable for the interlock set point to be lower than the alarm

Is It Reasonable for the Interlock Set Point to Be Lower Than the Alarm Set Point in Storage Tanks? Read More »

How to Address DCS System Capacity Issues in Industrial Automation

Instrumentation /

In the field of industrial automation, Distributed Control Systems (DCS) have long played a vital role, often referred to as the “nervous system” of industrial production. They ensure the efficiency and stability of production by centrally monitoring and distributing control across the entire process. However, with the rapid development of technology and the expansion of

How to Address DCS System Capacity Issues in Industrial Automation Read More »

Translate »