admin_zero, Author at Just Measure it - Page 22 of 355

admin_zero

UPS Systems: Working Principles, Common Failures, and Solutions (A Comprehensive Guide)

The core value of an Uninterruptible Power Supply (UPS) is “Energy storage during normal operation + Voltage regulation, seamless switching to battery power when the mains supply fails”. By employing the four key components of “Rectifier – Energy Storage – Inverter – Switch,” UPS provides uninterrupted, stable power for load devices (such as computers, servers, […]

UPS Systems: Working Principles, Common Failures, and Solutions (A Comprehensive Guide) Read More »

The Importance of Installation Supervision and Inspection for Industrial Pressure Piping

In modern industrial plants, pressure piping systems are responsible for transporting high-temperature, high-pressure, flammable, toxic, or corrosive media. They connect production units, storage facilities, utility networks, and safety systems. In many cases, they function as the circulatory system of the entire process plant. Because of the risks associated with these systems, installation supervision and inspection

The Importance of Installation Supervision and Inspection for Industrial Pressure Piping Read More »

How to Calculate Flow Rate Based on Known Instrument Output Current

In many industrial applications, it is essential to understand how to calculate flow rates from the output current of flow meters. This is particularly important for accurate monitoring and control of fluid flow in various systems. The output current, typically in the range of 4-20mA, correlates with the flow rate, and this relationship can be

How to Calculate Flow Rate Based on Known Instrument Output Current Read More »

Selection of Orifice Plate, Nozzle, or Venturi Tube for Erosive Fluids

In differential pressure flow measurement, the orifice plate, flow nozzle, and Venturi tube are the most commonly used primary elements. All three belong to the category of standard differential pressure devices, as defined in GB/T 2624, where their flow coefficients and discharge characteristics are well-established and can be used without individual calibration when designed and

Selection of Orifice Plate, Nozzle, or Venturi Tube for Erosive Fluids Read More »

Three Scenarios in Control System Design

Control system design is often guided by specific process requirements. Based on these requirements, necessary measuring instruments and actuators can be added. However, the design process can vary significantly depending on the current system setup and any changes in the operational environment. The three key scenarios in control system design are: Complete Control System Design

Three Scenarios in Control System Design Read More »

Is the Installation and Commissioning Process of Radar Level Gauges Complex?

The installation and commissioning of radar level gauges are not particularly complex but require strict adherence to guidelines to avoid measurement errors—especially when dealing with high-viscosity or high-temperature media, such as asphalt. The key to success lies in attention to detail, such as installation location and probe calibration. The overall process can be divided into

Is the Installation and Commissioning Process of Radar Level Gauges Complex? Read More »

Pre-Shipment Aging Process of Instruments

The pre-shipment aging process (also known as “pre-aging” or “seasoning”) refers to the procedure in which manufacturers simulate actual usage environments and conditions before the instruments leave the factory. This involves continuous power-on, loading, or operation for a period of time to stimulate potential failures and stabilize performance parameters. In simple terms, it is like

Pre-Shipment Aging Process of Instruments Read More »

FAT vs SAT: Understanding the Differences

1. FAT: Factory Acceptance Test FAT (Factory Acceptance Test) is a comprehensive inspection and testing process carried out by the manufacturer before the equipment leaves the factory. The goal is to ensure that the product meets the contract, design, and technical specifications. Key Features of FAT: Location: Conducted at the manufacturer’s or supplier’s factory. Participants:

FAT vs SAT: Understanding the Differences Read More »

The Importance of Instrument Calibration in Testing

Instrument calibration plays a pivotal role in ensuring the reliability and accuracy of testing across various domains, including scientific research, industrial applications, healthcare, and quality assurance. This process involves comparing the measurements of an instrument with a standard of known accuracy to identify and correct any deviations. Below, we explore in detail how calibration enhances

The Importance of Instrument Calibration in Testing Read More »

Comparison of Two-Wire and Four-Wire Systems in Ultrasonic Level Meters

In industrial automation instruments, such as ultrasonic level meters and pressure transmitters, two-wire and four-wire systems are common wiring methods for signal transmission and power supply. The core differences lie in the power supply method, wiring structure, and suitability for different applications. Below is a detailed comparison of these two systems. Core Differences: A Comparative

Comparison of Two-Wire and Four-Wire Systems in Ultrasonic Level Meters Read More »

Translate »