Compact Flow meter smart and fast - FLEXI-FLOW
The FLEXI-FLOW Compact is a high‑performance compact flow meter that combines mass flow and temperature measurement in one ultra‑small device. Designed for modern applications such as bioreactors, analytical instruments, and fuel cell production, it delivers accuracy and functionality in the smallest possible footprint.
Key Advantages of This Compact Flow Meter
- 2‑in‑1 measurement: precise gas mass flow + temperature
- Ultra‑compact design: perfect for tight spaces and OEM integration
- Wide flow range: from 0.1…5 mln/min up to 10…500 ln/min (N₂ equivalent)
- Bluetooth® connectivity: easy wireless setup and diagnostics
- Digital outputs: FLOW‑BUS and MODBUS‑RTU on every device
- 8 pre-installed gases Air, N₂, O₂, H₂, Ar, He, CH₄, CO₂
- 22 selectable gases for maximum flexibility across applications
🕒 Fast delivery from stock, shipment in 2 business days
🇪🇺 Made in the EU
💬 Online support available
💳 Secure payment via Credit Card, PayPal or Bank transfer
✅ Competitive prices
Use the table to select the instrument that matches your flow
| Max. capacities per model for various gases | Flow Unit | Air | N2 | O2 | H2 | Ar | He | CH4 | CO2 |
|---|---|---|---|---|---|---|---|---|---|
| mln/min | 5 | 5 | 4.5 | 5 | 4 | 7 | 4 | 3.5 | |
| FF-103 | mln/min | 50 | 50 | 45 | 50 | 40 | 70 | 40 | 35 |
| FF-105 | mln/min | 500 | 500 | 450 | 500 | 400 | 700 | 400 | 350 |
| FF-107 | ln/min | 5 | 5 | 4.5 | 5 | 4 | 7 | 4 | 3.5 |
| FF-109 | ln/min | 50 | 50 | 45 | 50 | 40 | 70 | 40 | 35 |
| FF-111 | ln/min | 500 | 500 | 450 | 500 | 400 | 700 | 400 | 350 |
Need a Compact Flow Meter? Order Directly Online for Precision and Speed
Fast and Efficient Measurement in Tight Spaces
In today’s process industry, space and time are two of the most critical factors. Whether you are an OEM machine builder designing a compact skid for the medical sector or a process engineer dealing with an unexpected production shutdown, you need a solution that fits—not only physically into the installation but also into your schedule. A compact flow meter is not a luxury in these situations but an absolute necessity. At Massflow-online.com, we understand this dynamic like no other. We are the official e-commerce channel of Bronkhorst High-Tech, the world leader in low-flow solutions. We offer high-quality measuring instruments that you can order directly online, without the delays of traditional quotation processes. Our focus is on speed, quality, and transparency, so you can get your process operational again immediately or shorten the time-to-market for new machines.
What Exactly Is a Compact Mass Flow Meter?
A compact mass flow meter is an advanced instrument that measures the mass flow of gases based on heat transfer. This is fundamentally different from traditional volumetric meters such as variable area meters (rotameters) or turbine meters. Volumetric measurements are heavily dependent on the actual pressure and temperature of the gas. If the pressure changes, the volume changes, even though the number of molecules (the mass) remains the same. A thermal meter measures that mass directly. This makes them extremely accurate and reliable for critical process control.
The “compact” aspect refers to the housing and the sensor. By using MEMS technology (Micro-Electro-Mechanical Systems), we can produce chip-level sensors. As a result, the compact mass flow meter takes up minimal space, which is essential for integration into systems where every square centimeter counts.
The Technical Advantage: Thermal vs. Volumetric
Many engineers are still familiar with classic floaters or rotameters: the glass tubes with a small ball inside. Although inexpensive, they have significant drawbacks. They must be mounted vertically, are difficult to read (parallax errors), and their accuracy leaves much to be desired (often 5–10% deviation). When you compare this to an electronic solution from Massflow-online.com, the differences are immediately apparent.
Our meters have no moving parts that can wear out. They provide an electronic digital output signal allowing data to be sent directly to your PLC or control system. They also automatically correct for temperature and pressure fluctuations within certain margins. Choosing a thermal instrument means choosing stability and repeatability.
The Benefits of a Compact Mass Flow Meter for Gases
Why should you choose a compact flow meter for gases from Massflow-online.com? The benefits for industrial and laboratory applications are clear:
- Space saving: In OEM machines, analytical equipment, and desktop lab setups, space is often the limiting factor. Our compact models integrate seamlessly into small housings, keeping the total footprint of your device small.
- Multifunctional: Modern meters like the FLEXI-FLOW measure not only flow but often also temperature in one device. This saves you the cost and installation of additional sensors.
- Fast response time: Thanks to the low sensor mass, these meters respond extremely quickly to changes in gas flow (often < 500 ms), which is crucial for dynamic processes.
- Cost saving: Less installation space means smaller control cabinets and less material usage in your final product. Additionally, fast delivery reduces downtime costs.
FLEXI-FLOW: Innovation in a Compact Package
If you are searching for the ideal compact flow meter, you will quickly end up with the FLEXI-FLOW series on our website. This is not just a meter; it is a showcase of innovation. Using advanced TCS (Thermal Conductivity Sensor) chip technology, this instrument combines exceptional accuracy (up to 0.5% of reading plus 0.1% of full scale) with an extremely small footprint.
Where traditional meters can be bulky and heavy, the FLEXI-FLOW offers a lightweight and smart alternative. It is designed for users who refuse to compromise between size and performance. A unique feature is the integrated Bluetooth communication. With a free smartphone app, you can read status information and adjust settings without opening the control cabinet or removing cables. This makes this compact thermal mass flow meter extremely user-friendly.
Order Directly Online Without Hassle
In the traditional B2B market, buying process instrumentation is often a slow and frustrating process: requesting specifications from a sales engineer, waiting for a quotation, negotiating the price, and then waiting six to twelve weeks for delivery. At Massflow-online.com, we break with that tradition.
We believe in the power of e-commerce for the industry. On our site, you immediately see real-time stock, full specifications, and—very importantly—the price. No hidden fees, no surprises. Are you looking for a compact flow meter? Select the desired range and gas type, click, order, and we ensure fast shipping—often within two business days.
Practical Applications
Our instruments are used worldwide in various sectors. The versatility of our compact meters is demonstrated by these practical examples:
- Biotech and Pharma: In bioreactors, oxygen and CO₂ supply is crucial for cell growth. Our meters ensure accurate, sterile aeration with high repeatability.
- Food industry: In Modified Atmosphere Packaging (MAP), nitrogen/CO₂ mixtures replace air to extend shelf life. Our meters dose the exact amount of gas per package, avoiding waste.
- Medical equipment: In anesthesia or ventilator systems, space is always limited. Our compact sensors are used by OEMs for clinically precise gas monitoring.
- Industrial burners: For optimal air-gas ratio control in ovens and burners, improving combustion efficiency and reducing emissions.
- Hydrogen applications: With the energy transition, hydrogen measurement demand is exploding. Our meters are hydrogen-compatible and leak-tested.
In all these cases, the compact thermal mass flow meter proves its value through consistent and reliable measurement without frequent maintenance.
The Quality You Expect from Market Leaders
There are many suppliers of cheap flow meters online, often via general marketplaces. The risks include poor calibration, inferior materials, or lack of support. Massflow-online.com is different. We are directly connected to Bronkhorst High-Tech B.V., a European world leader. You benefit from cutting-edge technology combined with the convenience of a webshop.
Frequently Asked Questions About Compact Flow Meters
Where can I buy compact flow meters?
The most efficient and reliable way is through Massflow-online.com. Unlike local distributors with limited stock, our webshop is designed for immediate availability.
Can I order online with fast delivery?
Yes, this is our core strength. We ship most stock items within 2 business days.
Do you offer transparent pricing?
Absolutely. Prices are displayed directly with each product.
What is the best compact flow meter for gases?
For most clean, dry gases, the FLEXI-FLOW is the best choice. For rotameter replacement, choose MASS-VIEW.
Choose Reliability and Speed
Selecting the right instrumentation does not have to be complex or time-consuming. With the right partner, you can have the perfect compact flow meter for gases within days. Whether you need a single unit for an R&D setup or a batch for new machine production, we provide what you need—fast, simple, transparent, and reliable.
View our full range on Massflow-online.com and order today.