krohne BM26A-3000
- Made for corrosive liquids
- No power needed for display
- High corrosion resistance (PVC/PP/PVDF)
- Wide density and temperature range
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Description
The Ideal Indicator for Corrosive Liquids
The BM26A-3000 is a specialized magnetic level indicator (MLI) engineered for the safe and continuous level measurement of highly aggressive and corrosive liquids. Unlike standard metallic level indicators, this device is constructed from corrosion-resistant plastics such as PVC, PP, or PVDF, making it the perfect solution for applications where traditional materials would quickly degrade. It is designed to be installed in a bypass chamber alongside a tank, and as the liquid level changes, a float inside the chamber moves accordingly. This movement is transmitted to a highly visible, external flap display, providing a clear and accurate reading without the need for a power supply. This non-invasive and rugged design ensures both the safety of your personnel and the integrity of your process.
Built for Safety and Unwavering Durability
The core strength of the BM26A-3000 lies in its exceptional material selection. The use of PVC, PP, or PVDF for all wetted parts provides a high degree of chemical resistance to a wide range of aggressive substances, including strong acids like sulfuric acid. This design not only ensures the device’s longevity but also prevents contamination of the measured media. The flaps that indicate the liquid level are housed in a hermetically sealed glass tube with an IP68 ingress protection rating, ensuring they are completely isolated from the process and the external environment. This sealed design is crucial for safety and reliability, especially when dealing with hazardous chemicals. The level indication is highly visible, providing operators with an immediate and clear reading from a distance, even during power outages.
Specific Applications for the BM26A-3000
The BM26A-3000’s resistance to corrosion makes it an indispensable tool across several industries. In the chemical industry, it is widely used for level measurement in storage tanks, reactors, and vessels containing a variety of aggressive chemicals. For example, it provides a safe and reliable way to monitor sulfuric acid levels, a process that is highly corrosive to most other materials. In plastic or lined storage tanks, where traditional level indicators may damage the tank lining, the BM26A-3000 offers a non-intrusive solution. The device is also an excellent choice for wastewater treatment plants, where it is used to measure levels of various acidic or alkaline solutions used in the treatment process. Its ability to operate safely in fermentation vessels in the biotechnology sector further highlights its versatility.
Optional Features for Enhanced Functionality
While the visual indication of the BM26A-3000 is a key benefit, the device can be configured with a variety of optional features to meet the demands of modern process automation. For automated alarming and control, it can be equipped with optional reed switches (3-wire, NAMUR) to signal high or low-level conditions. For continuous electronic monitoring, an optional reed-chain level transmitter can be added, providing an industry-standard 4-20 mA output. This allows for seamless integration with a plant’s Distributed Control System (DCS) or PLC. The transmitter also supports digital outputs such as HART®7, FOUNDATION™ Fieldbus, and Profibus-PA, giving you the flexibility to connect to advanced digital networks. These options transform the BM26A-3000 from a simple visual indicator into a comprehensive level measurement solution.
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For guaranteed authenticity and the best value, there is no better place to purchase the BM26A-3000 than the tpt24 online store. We are proud to be recognized as the world’s leading online retailer for this essential industrial device. At tpt24, we understand that the safety and efficiency of your processes depend on the quality and authenticity of your equipment. That’s why we offer a comprehensive guarantee of genuineness and quality with every purchase. Our commitment to our customers is global; we will deliver the BM26A-3000 to you, no matter your location, with a promise of secure and timely delivery. Trust in tpt24 to provide you with a certified, high-performance product that will meet and exceed your expectations.
Detailed Technical Specifications
The BM26A-3000 is engineered for specific industrial applications, and its technical specifications reflect this precision. It is designed to measure levels within a range of 0.5 to 4 meters (1.64 to 13 feet). The device operates reliably under process pressures from 0 to 6 barg (0 to 87 psig) and within a temperature range of -20°C to +100°C (-4°F to +212°F). It can handle a variety of liquid densities, ranging from 560 to 1200 kg/m³ (34.96 to 74.91 lb/ft³). The accuracy of the continuous measurement is ±10 mm (0.39 in), with an optional high-accuracy version that can achieve ±5 mm (0.2 in). The device’s robust design also includes a support bracket for longer units, ensuring stability and preventing damage over time.
A Smart Investment for Your Business
Choosing the BM26A-3000 is a strategic decision that prioritizes safety, reliability, and cost-effectiveness. Its highly corrosion-resistant materials and robust construction ensure a long service life, even in the harshest chemical environments. The device’s visual indication, which works without a power supply, provides a crucial layer of safety and reliability, especially in emergency situations. The ability to add electronic outputs for continuous monitoring and control makes it a flexible and future-proof solution. By choosing the BM26A-3000, you are investing in a product that not only provides accurate and dependable level measurement but also contributes to the overall security and efficiency of your industrial processes.
Your Partner in Industrial Excellence: tpt24
At tpt24, we are more than just an online store; we are your dedicated partner in achieving industrial excellence. We understand the critical role that a reliable level indicator plays in preventing costly spills, ensuring safety, and optimizing production. By choosing us for your BM26A-3000, you are making a smart investment in your business’s future. Our commitment to global delivery ensures that you have access to the best industrial equipment, no matter your location. We stand by the integrity of our products, guaranteeing that every BM26A-3000 you receive is a genuine, top-of-the-line device designed to meet the most demanding challenges of your industry. Experience the tpt24 difference and secure the reliable performance you need to succeed.
Specifications
Specifications
Depending on selected device configuration
General information
| Product type | Level indicator |
| Product family name | BM |
| Product positioning | For corrosive liquids |
| Measurement principle | Float |
| Level measurement type | Continuous measurement |
| Contact to measured medium | Yes |
| Interface measurement | No |
| Redundancy | No |
| Measured media | Liquids |
| Measuring range (liquids) | 0.5…4 m/ 1…13 ft (other on request) |
| Measuring point | Bypass |
Operating conditions
| Process pressure | 0…6 barg/ 0…87 psig |
| Process temperature | -20…+100°C/ -4…+212°F |
Materials
| Gaskets | Ethylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Nitrile, Polytetrafluoroethylene (PTFE) |
| Wetted parts | Polypropylene (PP), Polyvinyl chloride (PVC), Polyvinylidene fluoride (PVDF) |
Process connections
| Flange connections | EN (1092-1): DN20…50 ASME (B 16.5): 1…2″ |
Approvals/Standards
| Ingress protection | IP68 |
Communication
| Analogue outputs | 4…20 mA |
| Discrete outputs | Limit switches |
| Digital outputs | FOUNDATION™ Fieldbus, HART®, Profibus-PA |
Accuracy
| Accuracy (liquids) | ±10 mm/ 0.39 in (optional: ±5 mm / 0.2 in with LT40) |







