Technical Articles
Holykell Technology Company Limited has published these technical articles:
(Flow Sensing)
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Explore key instruments used in sewage monitoring, from cost-effective options to high-accuracy solutions. Learn which technologies suit different site conditions, media types, and project budgets to...
(Level Sensing)
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How to prevent tank overflow problems? This is critical especially in oil and gas, chemical processing industries....
(Level Sensing)
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Choosing the right tank level sensor depends on many factors-from liquid properties to installation constraints. This guide simplifies the selection process by comparing top technologies like radar,...
(Level Sensing)
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Easily monitor fuel quality with a water-in-fuel level sensor. Help prevent engine issues caused by water contamination in fuel systems....
(Flow Sensing)
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Learn key tips for selecting ultrasonic open channel flow meters based on different weir and channel types. Understand how range selection and proper installation conditions affect measurement...
(Flow Sensing)
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Ensure measurement precision with proper magmeter calibration. This guide outlines key setup steps, calibration techniques, and post-process tips to maintain accuracy, reduce drift, and extend...
(Flow Sensing)
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Learn how to troubleshoot common issues with electromagnetic flow meters, including no signal output, weak or unstable readings, and inaccurate flow values. Practical checks and solutions help restore...
(Flow Sensing)
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Electromagnetic flowmeters offer flexibility for various conductive fluids, with different liners and electrodes tailored to specific media. Selecting the right combination ensures both accuracy and...
(Level Sensing)
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Learn practical steps to improve radar level transmitter accuracy. This guide helps identify and reduce signal interference from environmental and installation factors, ensuring more reliable...
(Flow Sensing)
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Learn how to troubleshoot black or white screen issues with your magnetic flowmeter. This guide covers common causes such as power problems, voltage instability, display malfunctions, and system...
(Pressure Sensing)
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Corrosion is a major challenge in industrial instruments, affecting accuracy and durability. This article explores the types of corrosion-physical, chemical, and electrochemical-and effective...
(Flow Sensing)
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When measuring liquid levels in dented vessels, irregularities in shape can affect height-based measurements. Solutions include using the HPT604-LT submersible level sensor, which calculates both...
(Level Sensing)
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A modern apartment complex upgraded from outdated water monitoring to a smart wireless solution using Holykell LoRa sensors. The system delivers accurate, real-time water level data, reduces costs,...
(Pressure Sensing)
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Pressure sensors in pipelines can be damaged by sudden pressure surges. Understanding system dynamics and using durable components like ceramic sensors with protective dampers can reduce failure...
(Flow Sensing)
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When selecting a positive displacement flow meter, it's crucial to match the meter to your application's specific needs, balancing accuracy, fluid characteristics, and system pressure. Proper...
(Pressure Sensing)
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Selecting a diffused silicon pressure sensor requires careful consideration of pressure type, range, accuracy, temperature, and medium. Proper matching ensures performance and durability. Expert...
(Pressure Sensing)
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Proper installation is key to accurate differential pressure measurement. This guide highlights crucial positioning tips for various media types to avoid errors caused by sediment, temperature...
(Level Sensing)
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Accurate and safe ammonia level measurement requires reliable sensors. Radar level sensors, with their resistance to vapor, pressure, and corrosion, offer a dependable solution for both ammonia water...
(Flow Sensing)
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Learn how to prevent costly flow measurement errors by understanding the key factors that impact meter accuracy, from fluid properties to installation and lifecycle costs-ensuring reliable performance...
(Level Sensing)
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Radar level meters provide accurate and reliable level measurement for liquids and solids. This article explains their working principle, compares guided wave, pulsed, and FMCW radar types, and...
(Flow Sensing)
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This article explains how sealing components are defined and certified under explosion-protection standards, clarifies the real safety concerns behind material selection, and distinguishes plugs from...
(Level Sensing)
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Selecting an appropriate cable jacket directly impacts sensor reliability and service life. Factors such as temperature range, mechanical stress, chemical exposure, and safety requirements should be...
(Level Sensing)
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This article compares stainless steel 304, 316, and 316L, explaining their compositions, strengths, corrosion resistance, and best-use scenarios. It also guides how to choose the right material for...
(Level Sensing)
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How different industrial tanks are constructed and managed, and explains the instruments used to monitor level, temperature, pressure, and flow. It highlights practical selection tips to ensure safe,...
(Flow Sensing)
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Flanges connect pipes, sensors, and flow meters with strength, reliability, and easy maintenance. Learn about common flange types, materials, and standards to help you choose the right one for your...
(Flow Sensing)
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Calibrating electromagnetic flowmeters is essential for ensuring accurate measurement, which is crucial for various industrial applications. Over time, magnetic flowmeters can experience drift,...
(Flow Sensing)
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Ensure precise flow measurement by considering key factors such as fluid type, system conditions, and accuracy needs. A tailored approach helps optimize turbine flow meter performance across diverse...
(Pressure Sensing)
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Choosing the right wet material is essential for ensuring durability, safety, and cost efficiency in sensors and flow meters. This guide outlines material properties and selection factors, helping...
(Flow Sensing)
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Accurate measurement with electromagnetic flowmeters depends on proper installation and maintenance. Ensuring correct calibration, stable flow velocity, clean electrodes, and bubble-free pipelines...
(Flow Sensing)
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Learn the working principle, installation, calibration, selection and maintenance of electromagnetic flowmeters....
(Level Sensing)
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What is Conformal Coating? Why Use Conformal Coating? Applications of Conformal Coating...
(Pressure Sensing)
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Choosing between fluorocarbon (FKM) and nitrile (NBR) O-rings depends on your working conditions. FKM offers superior chemical and heat resistance, while NBR performs better in low temperatures....
(Flow Sensing)
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Choosing the right flowmeter for palm oil requires balancing accuracy, viscosity handling, cost, and maintenance. This article compares mass Coriolis and oval gear meters, helping you evaluate which...
(Pressure Sensing)
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This article explores how modern pressure switches improve system safety and automation, explains key selection considerations, and highlights where digital switching technology delivers higher...
(Flow Sensing)
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Steam flow monitoring solutions are offered using different types of flowmeters. Each has its own features and benefits....
(Level Sensing)
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Radar level measurement reliability depends strongly on how materials interact with electromagnetic waves. This article explains how material properties influence signal strength, highlights...
(Level Sensing)
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Understanding the storage tanks can be helpful when choosing a level sensor. When it's challenging to determine the properties of the medium, we can refer to the material of the storage tank to select...
(Sensor Transmitters)
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China's Medog Hydropower Station demands advanced sensing and monitoring tools to ensure safe, efficient, and sustainable operation. From flow and level sensors to cloud-based platforms, Holykell...
(Level Sensing)
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Beam angle plays a key role in how radar level transmitters perform in real applications. This article explains why beam angle matters, how it influences measurement reliability, and how proper...
(Electrical and Electromagnetic Sensing)
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What is surge test? How does it affects sensors?...
(Level Sensing)
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Capacitive level sensors provide lightweight, durable, and efficient monitoring for compact fuel and liquid tanks. Their precision, versatility, and low power design make them ideal for drones,...
(Flow Sensing)
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This article explains how proper grounding minimizes electrical noise in electromagnetic flow measurement. It outlines practical grounding solutions for metal and non-metal pipes, introduces modern...
(Flow Sensing)
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In industrial flow measurement, accuracy does not depend on the flow meter alone. Installation conditions play an equally critical role. During installation, one factor we may overlook is straight...
(Level Sensing)
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Certain operating conditions can greatly affect ultrasonic level sensors. Here we explain why extreme heat, internal pressure, vapor disturbance, surface instability, and demanding installation...
(Level Sensing)
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How vented water level sensors maintain accurate readings by stabilizing internal pressure and preventing moisture intrusion? Learn the reliability benefits, key maintenance needs, and practical...
(Level Sensing)
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Discover how vegetation impacts radar water level measurement. Learn from real test results with the HR2000 sensor and get practical tips to maintain accuracy, even in sites surrounded by grass or...