
Liquid Level Transmitter Supplier
Unmatched Solutions for Industrial Liquid Level Control: Fluid Tech’s Liquid Level Transmitters
In the complex world of industrial processes, precision is non-negotiable. Liquid level transmitters play a critical role in maintaining operational accuracy, safety, and efficiency across various industries. At Fluid Tech, we understand these demands and offer top-of-the-line Masoneilan Liquid Level Transmitters, designed to meet the needs of modern industrial environments.
From oil refineries to chemical plants and everything in between, our Masoneilan 12400 Series Digital Level Transmitter/Controller and 12800 Series Pneumatic Level Transmitter/Controller deliver unparalleled performance. Backed by robust technology and trusted certifications, these transmitters are engineered for industries that cannot afford to compromise on reliability.
About Fluid Tech
Fluid Tech: Your leading supplier of instrumentation and control valves in South Africa. With a commitment to excellence, we offer a comprehensive range of top-tier products to meet the diverse needs of industries across the region. As authorised distributors, we proudly supply renowned brands such as Consolidated Valves, Masoneilan Valves, Fluid Tech Valves, and ZOOK Rupture Disks, ensuring the highest standards of quality and reliability.
In addition to representing industry giants, we also offer our own line of Fluid Tech Valves, meticulously engineered to deliver precision and performance in every application. With a focus on customer satisfaction and innovation, Fluid Tech is your trusted partner for all your valve needs in South Africa.
Need Vales, Valve Repairs / Reconditioning? Call us on 082 414 6756

What Are Liquid Level Transmitters?
Liquid level transmitters are instruments used to measure and control the level of liquids within tanks, vessels, or pipelines. These devices ensure operational continuity, product consistency, and safety by maintaining accurate liquid levels. Key industries utilising liquid level transmitters include:
- Oil and Gas: For level monitoring in storage tanks and separation units.
- Chemical Processing: To maintain the integrity of chemical mixtures.
- Power Generation: Managing water and steam levels in boilers.
- Food and Beverage: Ensuring accuracy in liquid storage and transfer systems.
Why Fluid Tech’s Masoneilan Liquid Level Transmitters Stand Out
At Fluid Tech, we pride ourselves on delivering industry-leading solutions that combine innovation, durability, and simplicity. Our Masoneilan Liquid Level Transmitters are built with advanced technology and materials that ensure superior performance in even the harshest conditions.
Exploring Our Masoneilan Range
Masoneilan 12400 Series Digital Level Transmitter/Controller
The 12400 Series is a digital marvel designed for industrial use, offering precision, reliability, and versatility. Built with HART® communication, this transmitter combines a transmitter and a level switch in one device.

Key Features:
- Range: 14” to 120” (355 to 3048 mm).
- Material Options: Carbon steel, stainless steel, chrome-moly.
- Electronic Instrumentation: 4-20 mA signal, HART protocol.
- Certifications: ATEX, SIL2 safety, and many more.
- Safety Options: Built-in level switches and second 4-20 mA output signal.
Applications:
Ideal for industries requiring high accuracy in measuring and controlling liquid levels, such as oil and gas, power generation, and chemical processing.
Masoneilan 12800 Series Pneumatic Level Transmitter/Controller
The 12800 Series is a pneumatic level transmitter designed to handle single or two-fluid applications. Using liquid displacement and torque tube principles, it ensures optimal performance in interface services.

Key Features:
- Range: 14” to 120” (355 to 3048 mm).
- Construction Materials: Carbon steel, stainless steel, and Inconel options.
- Action Modes: Proportional, reset, and duplex functionalities.
Applications:
Perfect for industries relying on pneumatic systems to manage liquid levels, including water treatment and chemical storage facilities.
Why Choose Fluid Tech for Liquid Level Transmitters?
At Fluid Tech, we are more than just a supplier — we are a partner in optimising your industrial operations. Our transmitters are:
- Durable: Manufactured with premium materials to withstand extreme conditions.
- Accurate: Employ advanced displacement and torque tube technology for precision.
- Easy to Install and Operate: Designed with user-friendly interfaces and seamless integration capabilities.
Looking for more about our expertise in industrial valves? Explore our Masoneilan Valve Solutions.
Industries That Benefit from Our Liquid Level Transmitters
Our transmitters cater to a diverse range of industries:
- Oil Refineries: For monitoring and managing high-pressure tanks and separators.
- Chemical Plants: Maintaining critical safety and product consistency.
- Pharmaceutical Manufacturing: Ensuring precise liquid measurements in sensitive processes.
- Food and Beverage Production: Enhancing efficiency and product quality during liquid handling.
For businesses that rely on precision engineering, Fluid Tech offers solutions you can trust. Discover more about our Control Valve Range.
Need Vales, Valve Repairs / Reconditioning?

How Liquid Level Transmitters Improve Operations
Liquid level transmitters are vital tools that directly impact the safety, efficiency, and cost-effectiveness of industrial operations. By providing precise measurements and control capabilities, these devices address some of the most critical challenges faced by industries. Here’s how they significantly improve operations:
1. Enhanced Safety
One of the primary benefits of liquid level transmitters is their role in maintaining safe working environments.
- Prevent Overflows: Accurate level monitoring ensures that tanks and vessels do not exceed their capacity, preventing hazardous spills and environmental contamination.
- Leakage Prevention: Early detection of abnormal level fluctuations can alert operators to potential leaks, helping to mitigate damage and avoid costly repairs.
- Protect Equipment: By maintaining optimal liquid levels, transmitters prevent strain on pumps, valves, and other equipment, reducing the risk of malfunctions or catastrophic failures.
Our Masoneilan 12400 and 12800 Series Transmitters are built with high-precision technology to safeguard your operations from such risks. Their reliable performance ensures compliance with stringent safety standards, making them indispensable for industries like oil and gas, chemical processing, and power generation.
2. Operational Efficiency
In any industrial setting, downtime is a major challenge that directly affects productivity and profitability. Liquid level transmitters enhance operational efficiency by:
- Real-Time Monitoring: Continuous measurement and immediate feedback enable operators to react swiftly to changes in liquid levels, ensuring uninterrupted processes.
- Integrated Control: Devices like the 12400 Series Digital Transmitter combine level measurement and control functions, eliminating the need for separate instruments and reducing complexity.
- Automation Support: Compatible with advanced communication protocols such as HART, these transmitters integrate seamlessly with automation systems, enabling remote operation and diagnostics.
When operational efficiency is prioritised, your business can maximise throughput, maintain product quality, and reduce manual intervention. The Masoneilan range delivers this with cutting-edge design and ease of use.
3. Cost Reduction
Effective liquid level management is key to optimising resource usage and minimising waste. With our Masoneilan Liquid Level Transmitters, you can achieve significant cost savings through:
- Material Optimisation: Precise control ensures that materials are utilised efficiently, preventing overuse or wastage.
- Energy Savings: Maintaining the correct liquid levels reduces unnecessary pump operation and energy consumption.
- Prolonged Equipment Lifespan: By protecting critical machinery from damage caused by overflows or dry runs, transmitters minimise the need for repairs and replacements.
In addition to these benefits, our transmitters are built to last, requiring minimal maintenance and offering long-term reliability. This translates to lower overall operational costs for your business.
Delivering Unmatched Efficiency
At Fluid Tech, our transmitters set the benchmark for industrial-level measurement solutions. Their accuracy, durability, and advanced functionality make them essential for maintaining seamless operations in demanding environments.
To further enhance your operational safety and efficiency, explore our Safety Valve Solutions. These products complement our liquid level transmitters by providing additional layers of protection against overpressure and other hazards.
Need Vales, Valve Repairs / Reconditioning? Call us on 082 414 6756

Need Valve Repairs / Reconditioning?

Installation and Maintenance Support
At Fluid Tech, we understand that the seamless integration and upkeep of your liquid level transmitters are crucial for uninterrupted operations. That’s why we go above and beyond to simplify the installation and maintenance process, ensuring that your systems remain efficient and hassle-free.
- Detailed Guides and Expert Assistance: Our comprehensive installation manuals and technical support team provide step-by-step guidance to ensure a smooth setup. Whether you’re implementing a single unit or upgrading multiple systems, our experts are readily available to address your queries and offer customised solutions.
- Compatibility with Existing Systems: Our Masoneilan 12400 and 12800 Series Transmitters are engineered for seamless integration with your existing infrastructure. With versatile connection options and advanced communication protocols like HART, these transmitters can be installed with minimal adjustments to your current setup, saving both time and resources.
- Low Maintenance Designs: Built with robust materials like stainless steel and Inconel, our transmitters are designed to withstand harsh industrial conditions. Their durable construction ensures long-term reliability, while the low-maintenance design minimises the need for frequent inspections or repairs. This reduces downtime and helps keep your operational costs in check.
At Fluid Tech, we don’t just provide top-tier products; we offer a complete support ecosystem to help you get the most out of your investment. From initial setup to ongoing maintenance, our team is committed to keeping your processes running smoothly.
To learn more about our range of industrial solutions, visit our Masoneilan Valves page and explore how our expertise can enhance your operations.
Certifications That Speak for Quality
Both the 12400 and 12800 series transmitters are backed by industry-standard certifications, including:
- ATEX, FM, CSA: Ensuring global compliance.
- SIL2 Safety Certified: Offering unparalleled operational reliability.
These certifications make our transmitters the ideal choice for industries with stringent safety and quality standards.
FAQs About Liquid Level Transmitters
- What industries commonly use liquid level transmitters?
Liquid level transmitters are essential in industries such as oil and gas, power generation, pharmaceuticals, and food processing. - What is the difference between digital and pneumatic transmitters?
Digital transmitters, like the 12400 Series, offer electronic communication (e.g., HART protocol), while pneumatic transmitters, like the 12800 Series, rely on air pressure for operation. - How do I choose the right liquid level transmitter for my application?
Consider factors like the liquid type, tank size, pressure, and temperature. Fluid Tech experts can guide you in selecting the ideal transmitter. - What certifications are included with Masoneilan transmitters?
Our transmitters come with certifications such as ATEX, SIL2, and IEC standards, ensuring compliance with global safety requirements.
Partner with Fluid Tech Today
Precision, reliability, and efficiency are at the heart of Fluid Tech’s Masoneilan Liquid Level Transmitters. Whether you need digital or pneumatic solutions, our range offers the best in class for industrial use.
Explore our complete range of products and let us help you achieve unmatched accuracy in your liquid level management. Visit our Masoneilan Products Page to learn more or contact us for tailored solutions today!

