Quantim® QMC Coriolis Mass Flow Meters & Controllers

Quantim® QMC Coriolis Mass Flow Meters & Controllers

The Brooks Instrument Quantim® QMC Coriolis Mass Flow Meter and Controller is a sophisticated device designed to address the needs of precise flow measurement and control in various industrial applications. This third-generation instrument is engineered to enhance process quality, production yield, and throughput while minimizing the time required for scaling up from laboratory settings to pilot plants and full-scale production.

The Quantim® QMC Coriolis Mass Flow Meter and Controller offers superior accuracy and stability, particularly in applications requiring very low flow rates of gases and liquids. It achieves this through a proprietary stainless steel sensor unaffected by fluid type or process conditions, ensuring consistent and reliable measurements. The device's accuracy is specified at 0.2% of the rate for liquids and 0.5% for gases, with repeatability at 0.05%, making it one of the most precise instruments available for low-flow applications.

The Quantim® QMC series stands out with its unique ability to provide direct mass flow measurement, a feature that is inherently more accurate than volumetric flow measurement. This is because it is unaffected by changes in temperature and pressure, making it crucial in applications such as catalyst research, chemical pilot plants, thin film coating, fiber-optic cable production, and semiconductor wafer processing. In these fields, precise flow control is essential to ensure product quality and process efficiency.

The Quantim® QMC series also supports multivariable outputs, including mass flow, volume flow, density, and temperature, providing comprehensive data for process monitoring and control. Advanced diagnostics and in situ alarms help operators proactively identify and address system issues, reducing downtime and maintenance costs. Additionally, the device's IoT-equipped digital architecture enables faster response times with minimal overshoot when adjusting flow rates, enhancing the precision of control operations.

Another advantage of the Quantim® QMC series is its compatibility with prior models. The new devices are form-, fit-, and function-compatible with earlier Quantim® models, allowing for seamless integration into existing systems. This backward compatibility, combined with upgraded I/O communication options and the support of the Brooks Instrument BEST software package, simplifies the process of device configuration, diagnostics, troubleshooting, and tuning.

The Quantim® QMC Coriolis Mass Flow Meter and Controller is designed to address several common challenges in flow measurement and control. Traditional flow meters often struggle with accuracy and stability at low flow rates and can be affected by changes in fluid properties. The Coriolis technology employed in the Quantim® QMC overcomes these issues by measuring the actual mass flow directly, independent of fluid type or environmental conditions. This makes it an ideal solution for processes where maintaining precise flow control is critical.

Moreover, the device's robust construction using high-grade materials such as 316L stainless steel and optional metal seals ensures durability and compatibility with a wide range of process fluids. The ability to handle a broad range of operating pressures and temperatures further extends its applicability across different industries.

In conclusion, the Brooks Instrument Quantim® QMC Coriolis Mass Flow Meter and Controller is a highly capable and versatile tool designed to meet the demanding requirements of modern industrial processes. Its advanced features, including high accuracy, stability, multivariable outputs, and enhanced diagnostics, make it valuable for improving process control, quality, and efficiency in various applications. By addressing the limitations of traditional flow measurement technologies, the Quantim® QMC series sets a new standard for low-flow measurement and control solutions.

Miller Energy, Inc.

Pulsed Ultraviolet Fluorescence: The Cutting-edge Technology for Sulfur Analysis in Industry

Pulsed Ultraviolet Fluorescence: The Cutting-edge Technology for Sulfur Analysis in Industry

Pulsed Ultraviolet Fluorescence (PUVF) is an analytical technique with a wide range of applications. It is used to measure the concentration of sulfur compounds in various matrices, such as liquid fuels, gases, and process streams. This versatile technology is widely used in industrial applications and in online sulfur analyzers, demonstrating its adaptability to different industries and settings.

Here's how PUVF works:

  1. Sample introduction: The sample (liquid or gas) is introduced into the analyzer's combustion chamber.
  2. Combustion: The sample is completely oxidized in the combustion chamber at high temperatures, converting all sulfur compounds into sulfur dioxide (SO2).
  3. Excitation: The SO2 molecules are exposed to pulsed ultraviolet light, typically from a xenon flashlamp. This UV light excites the SO2 molecules to a higher energy state.
  4. Fluorescence: As the excited SO2 molecules return to their ground state, they emit light (fluorescence) at a specific wavelength.
  5. Detection: The fluorescence intensity is measured using a photomultiplier tube (PMT) or other suitable detector. The fluorescence intensity is directly proportional to the concentration of SO2 in the sample.
  6. Calculation: The analyzer's software calculates the total sulfur concentration in the original sample based on the measured SO2 concentration and the sample's properties (e.g., density, flow rate).

PUVF technology offers several advantages over other sulfur measurement techniques:

  • High sensitivity: PUVF can detect sulfur concentrations in the parts-per-billion (ppb) range.
  • Selectivity: The specific wavelength of SO2 fluorescence minimizes interference from other compounds.
  • Linearity: The fluorescence intensity has a linear relationship with the sulfur concentration over a wide range.
  • Rapid response: PUVF analyzers provide real-time measurements, enabling quick process control and optimization.

PUVF technology is widely used for online sulfur monitoring and control in many industries including:

  • Petroleum refining: Monitoring sulfur content in crude oil, refined products (gasoline, diesel, kerosene), and process streams is crucial for meeting environmental regulations and product specifications.
  • Natural gas processing: Measuring sulfur compounds (H2S, mercaptans) in natural gas ensures gas quality and prevents corrosion in pipelines and equipment.
  • Chemical manufacturing: Monitoring sulfur content is important in various chemical processes, such as the production of sulfuric acid, fertilizers, and other sulfur-containing compounds.
  • Environmental monitoring: To comply with air quality regulations, sulfur dioxide (SO2) emissions from industrial sources, such as power plants and factories, must be measured.
  • Biogas and landfill gas: Monitoring sulfur compounds (H2S) in biogas and landfill gas is essential for ensuring the safety and efficiency of gas utilization systems, such as engines and fuel cells.
  • Metallurgical processes: The sulfur content in metals and ores controls the quality of the final product and optimizes the smelting process.
  • Food and beverage industry: Measuring sulfur dioxide in wine, dried fruits, and other food products is necessary for quality control and compliance with food safety regulations.
  • Automotive industry: Monitoring sulfur content in fuels and lubricants is crucial for maintaining the performance and longevity of engines and emission control systems.

Miller Energy, Inc.

The Future of Industrial Valve Automation: Innovations and Trends for the Next Five Years

The Future of Industrial Valve Automation: Innovations and Trends for the Next Five Years

As industries evolve, the demand for more innovative, efficient, and safer valve automation technologies becomes paramount. Over the next five years, significant advancements will reshape the landscape of industrial valve automation. These innovations will improve operational efficiency, safety, environmental sustainability, and integration capabilities.

Enhanced Predictive Maintenance Capabilities

One of the most significant trends will be the advancement of predictive maintenance technologies. Valve automation systems will predict failures before they occur by leveraging the power of Internet of Things (IoT) sensors and advanced analytics. This proactive approach will drastically reduce downtime and maintenance costs. Companies will integrate sensors directly into valve actuators, collecting real-time pressure, temperature, and flow rate data. Advanced algorithms will analyze this data to predict wear and tear, enabling maintenance teams to address issues before they lead to system failures.

Integration of Artificial Intelligence and Machine Learning

Artificial intelligence (AI) and machine learning (ML) will be crucial in the next generation of valve automation systems. These technologies will enhance decision-making processes, allowing for real-time adjustments and optimization of valve operations. AI-driven systems will analyze historical and real-time data to optimize flow rates, reduce energy consumption, and minimize emissions, improving efficiency and contributing to more sustainable industrial practices.

Development of Smart Valves

The emergence of smart valves will revolutionize valve automation. These valves, equipped with embedded sensors and connectivity, will offer unprecedented control and monitoring capabilities. They will communicate directly with central control systems, providing detailed information about their status and the processes they control. This level of integration will enhance process efficiency, safety, and reliability.

Advancements in Safety and Security

As cyber threats become more sophisticated, the need for secure valve automation systems has never been greater. Over the next five years, we will see significant advancements in the security protocols of valve automation systems. Manufacturers will incorporate advanced encryption methods and cybersecurity measures to protect against unauthorized access and cyber-attacks. Additionally, safety features will advance to protect against physical threats, such as overpressure or chemical leaks, enhancing overall plant safety.

Greater Compatibility and Standardization

Interoperability between different systems and components will become a key focus. The industry will move towards greater standardization and compatibility, facilitating easier integration of valve automation systems with other hardware and software. This will allow for more flexible and scalable solutions, enabling businesses to adapt quickly to changing market demands.


The next five years will bring transformative changes to industrial valve automation technology. With advancements in predictive maintenance, AI, intelligent valves, cybersecurity, and standardization, industries will achieve higher efficiency, safety, and sustainability levels. These innovations will drive operational excellence and pave the way for a more connected and intelligent industrial future. As we move forward, companies that embrace these advancements will lead the way in their respective fields, setting new standards for performance and innovation.

Miller Energy, Inc.

From Raw Materials to Finished Products: Ensuring Quality with Industrial Process Refractometers in the Chemical Industry

From Raw Materials to Finished Products: Ensuring Quality with Industrial Process Refractometers in the Chemical Sector

Ensuring product quality while maintaining process safety and efficiency is paramount in the chemical processing industry. Industrial process refractometers are pivotal in meeting these challenges by providing accurate, real-time measurements of liquid concentration or density. These sophisticated instruments enable manufacturers to monitor and control the quality of raw materials and finished products, ensuring that they meet customer specifications and adhere to stringent safety standards.

Refractometers measure the refractive index of a substance, which changes with the concentration of solutes in a solution. This principle allows them to detect variations in the density or concentration of a liquid, which directly impacts the quality and consistency of chemical products. By integrating refractometers into the production line, manufacturers can conduct in-line monitoring without needing sample removal or lab analysis. This continuous, real-time feedback significantly enhances process control, allowing immediate adjustments to maintain product quality and consistency.

Moreover, the use of industrial process refractometers goes beyond quality control. They contribute significantly to process safety by detecting any deviations in the concentration of hazardous chemicals, thus preventing potentially dangerous situations and monitoring chemical compositions in real time, safeguarding against the risks posed by handling and processing dangerous substances, thereby protecting workers and the environment.

In addition to ensuring product quality and safety, refractometers optimize process efficiency and reduce energy consumption. By facilitating precise control over the production process, they help maintain operations within the optimal range, minimizing waste and reducing the need for costly rework or disposal of off-specification products. This conserves resources and lowers energy costs, as processes can be run at their most efficient points.

State-of-the-art process control management is another area where industrial process refractometers significantly impact. They are integral to advanced control systems, providing crucial data feeding automated decision-making processes. This integration enables chemical manufacturers to achieve high levels of process automation, ensuring consistent product quality through precise control of production variables. Such advanced management systems are essential for maintaining competitiveness in the fast-paced chemical industry, where customer demands for quality and environmental regulations continuously evolve.

Furthermore, the versatility of refractometers allows deployment across a wide range of chemical processes, including those involving aggressive or corrosive substances. Modern refractometers withstand harsh industrial environments, ensuring reliable performance and long service life. This durability is crucial for maintaining continuous operation in processes where uptime is critical to productivity and profitability.

In conclusion, industrial process refractometers are:
  • Indispensable tools in the chemical processing industry.
  • Offering a multifaceted approach to ensuring product quality.
  • Enhancing process safety.
  • Improving efficiency.

Their ability to provide accurate, in-line measurements of liquid concentration or density enables manufacturers to control production processes precisely, ensuring that finished products meet the exacting standards demanded by customers. By integrating refractometers into their operations, chemical manufacturers safeguard their workforce and the environment and position themselves to thrive in a competitive and ever-evolving industry landscape.

Miller Energy, Inc.

The Importance and Uses of Variable Area Flowmeters (Rotameters) in Industrial Applications

The Importance and Uses of Variable Area Flowmeters (Rotameters) in Industrial Applications

Variable area flowmeters, known as rotameters, have long been a staple in various industries, from chemical processing to water treatment. They offer a simple yet effective method for measuring the flow rate of liquids and gases. Understanding the importance and the vast array of applications they serve can underscore the reason behind their continued relevance in the industrial landscape.

How Does a Rotameter Work?

Before diving into its uses and importance, it's essential to grasp the basic operation of a rotameter. A rotameter consists of a tapered tube, typically made of glass or clear plastic, with a float inside. As fluid flows through the tube, it raises the float. The float's height corresponds to the flow rate, read from a scale marked on the tube.

The float's upward movement is due to the balance between the buoyant force exerted by the fluid and the gravitational force pulling the float downwards. When these forces reach equilibrium, the float stabilizes at a particular height, allowing for flow rate measurement.

Importance of Rotameters in Industrial Applications

Simplicity and Reliability: Rotameters have no moving parts other than the float itself, resulting in less wear and tear and ensuring a long service life. Their simple design means fewer points of failure, translating to increased reliability.

  • Cost-Effective: Due to their uncomplicated design and construction, rotameters are generally more affordable than many other flowmeter types, making them a preferred choice for applications where cost is a significant concern.
  • Direct Readout: Rotameters provide an immediate visual indication of the flow rate, eliminating the need for additional electronic devices or readout systems, particularly useful in environments where electronic instrumentation may be impractical or undesirable.
  • Flexibility: Rotameters apply for both liquids and gases, provided the appropriate float material and tube size are selected.
  • Low Maintenance: With few moving parts and no electronic components, rotameters require minimal maintenance, reducing operational downtime.
  • No Power Requirement: Rotameters operate without external power sources, making them ideal for locations where power availability is a challenge.

Common Uses of Rotameters in Industry

  • Chemical Processing: Rotameters are extensively used in chemical plants to monitor and regulate the flow of raw materials, intermediates, and finished products. Their ability to handle aggressive chemicals, assuming construction with compatible materials, makes them suitable.
  • Water Treatment: In water treatment plants, rotameters help monitor and control the flow of water and treatment chemicals, ensuring effective treatment and efficient plant operation.
  • Gas Distribution: Industries that utilize various gases, like nitrogen, oxygen, or carbon dioxide, use rotameters to monitor and regulate gas flow, ensuring optimal process conditions.
  • Pharmaceuticals: Ensuring precise flow rates is crucial in the pharmaceutical industry. Rotameters help regulate the flow of solvents, active ingredients, and other fluids, maintaining the consistency and quality of drug products.
  • Laboratories: Rotameters are commonly found in research and analytical labs, allowing scientists to control the flow of gases or liquids in experiments precisely.
  • Food and Beverage: The food industry uses rotameters for tasks such as regulating the flow of ingredients in food processing or managing cleaning agents in CIP (Clean-In-Place) systems.
  • HVAC Systems: In heating, ventilation, and air conditioning (HVAC) systems, rotameters help ensure the proper flow of refrigerants and other fluids, guaranteeing system efficiency.

In the vast landscape of industrial applications, rotameters stand out for their simplicity, reliability, and versatility. Whether dealing with chemical processing, water treatment, or any other industry, having a dependable flow measurement device cannot be overstated. With its proven track record, the variable area flowmeter continues to be a valuable tool in various sectors, underlining the time-tested principle that, sometimes, simplicity is the highest form of sophistication.

Miller Energy, Inc.

When Old School is Best: The Continued Relevance of Electro-Mechanical Switches in Modern Process Control

The Continued Relevance of Electro-Mechanical Switches in Modern Process Control

Simple solutions, like electro-mechanical pressure and temperature switches, are often favored in specific industrial process control applications due to their inherent reliability and straightforward functionality. In the bustling environment of an industrial plant, complexity can introduce potential points of failure. While offering a broader range of functionalities and detailed diagnostics, sophisticated digital transmitters can be susceptible to software glitches, require periodic updates, and may be sensitive to electromagnetic interference from surrounding equipment. Furthermore, the cost of purchasing, installing, and maintaining these sophisticated instruments can be significantly higher than that of basic switches. On the other hand, electro-mechanical switches provide immediate, direct responses with minimal chances of malfunction, making them particularly suitable for applications that demand high reliability and quick actions. Their simplicity also means reduced training for operators, easy maintenance, and straightforward troubleshooting. In scenarios where continuous monitoring or data logging isn't essential but reliable actuation is, these traditional switches often emerge as the more pragmatic choice.

Electro-mechanical pressure and temperature switches have been a staple in the process control industry for many decades. Even with the advent of newer digital technologies, these traditional switches remain essential in many factory and plant automation instrumentation schemes. Here's a detailed breakdown of why these devices are still considered vital:

  • Simplicity and Reliability: Electro-mechanical devices function on straightforward principles, such as the expansion of a bimetallic strip in response to temperature changes or the deformation of a diaphragm in response to pressure variations. These switches, having few moving parts, are inherently reliable. They don't suffer from software bugs or require firmware updates.
  • Direct Control: Electro-mechanical switches can be wired directly to the control elements like solenoids, relays, or alarms, providing immediate response without needing an intermediary control system or software processing.
  • Fail-Safe Operations: In safety-critical applications, it's sometimes preferable to have a direct-acting, mechanically-driven switch that can actuate an emergency shutdown or trigger alarms. These switches' inherent "on/off" nature ensures a definite state.
  • Cost-effective: Electro-mechanical switches are generally less expensive than their electronic counterparts, especially for applications that don't require continuous monitoring or advanced functionalities.
  • Low Power Requirements: Unlike electronic sensors that may need continuous power, these switches only consume energy when they change state, making them energy-efficient for specific applications.
  • Resilience to Electromagnetic Interference (EMI): Electro-mechanical devices, being fundamentally mechanical in operation, are less susceptible to EMI, which can be a concern in industrial environments with heavy machinery and electrical equipment.
  • Long Lifespan: Many electro-mechanical switches are known for their durability and long operational lifespan, mainly used within their design specifications.
  • Versatility: They work in environments where advanced electronics, such as high-temperature areas or corrosive materials, might fail.
  • Independent Operation: These switches do not necessarily rely on centralized control systems. This decentralization can be an advantage in scenarios where a failure in the central system shouldn't impact local controls.
  • Ease of Integration: The infrastructure is built around electro-mechanical devices for many older plants and factories. Integrating newer electronic devices might require significant overhauls while continuing with electro-mechanical solutions offers seamless integration.
While electronic sensors and digital systems offer advanced functionalities and integration capabilities, there's still a strong case for the simplicity, reliability, and directness of electro-mechanical pressure and temperature switches. As with many technologies in the process control industry, the "best" choice often depends on the specific needs of the application and the context in which the device is applied.

Miller Energy, Inc.