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Help CenterOMEGA FMA‑1600A High Precision Gas Flow Meter For Laboratory Test
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Rossonix Co., Limited is a reliable supplier of advanced flow measurement instruments. We are pleased to introduce the OMEGA FMA-1600A High Precision Gas Flow Meter, a compact and accurate device designed specifically for laboratory test applications. This instrument utilizes proven thermal mass flow sensing technology to provide direct, real-time measurement of gas mass flow without requiring temperature or pressure corrections. It is an ideal choice for research institutions, calibration labs, environmental testing facilities, and process analytical systems where dependable flow data is essential.
The FMA-1600A is built with a robust housing, a clear digital display, and versatile output options, making it easy to integrate into both manual and automated test setups. With its fast response, excellent repeatability, and low pressure drop, this gas flow meter delivers consistent performance across a wide range of operating conditions. Whether you are monitoring gas flows in a chemical experiment, semiconductor process, or gas mixing system, the OMEGA FMA-1600A provides tangible benefits in the form of improved efficiency, reduced downtime, and higher measurement confidence.
Key Features of the OMEGA FMA-1600A
High-precision mass flow measurement – Direct thermal sensing ensures accurate readings in standard laboratory conditions.
Wide gas compatibility – Suitable for air, nitrogen, oxygen, carbon dioxide, argon, helium, and other common gases, with calibration available for specific gas mixtures.
Digital LCD display – Provides clear real-time flow rate readings in engineering units such as sccm, slpm, or other customer-defined units.
Multiple output options – Supports 0-5 VDC, 0-10 VDC, 4-20 mA, and RS232 communication for flexible integration with data acquisition systems.
Fast response time – Typically less than 1 second, enabling quick process adjustments and efficient testing cycles.
Low pressure drop – Minimal flow restriction ensures negligible influence on the test system's performance.
Compact and rugged construction – Suitable for harsh laboratory environments and long-term operation.
Optional flow totalizer and alarm functions – Allow counting of total gas consumption and setting limit outputs for process control.
Technical Specifications
| Measurement Type | Thermal mass flow (capillary bypass) |
| Gas Media | Air, N2, O2, CO2, Ar, He, and other non-corrosive gases |
| Accuracy | ±1% of full scale (with calibration) |
| Repeatability | ±0.5% of reading |
| Response Time | Less than 1 second |
| Flow Ranges | Standard ranges from 0-10 sccm to 0-500 slpm (customizable) |
| Output Signal | 0-5 VDC, 0-10 VDC, 4-20 mA, or RS232 (selectable) |
| Power Supply | 24 VDC standard; AC adapter optional |
| Process Connection | 1/8” or 1/4” NPT, compression fittings available |
| Operating Temperature | 0 to 50 °C (32 to 122 °F) |
The technical performance of the FMA-1600A makes it particularly suitable for laboratory testing where accuracy and stability are non-negotiable. Its compact design allows for convenient panel mounting or bench-top placement, while the straightforward configuration software enables users to set engineering units, zero adjustments, and alarm thresholds with ease.
Detailed Product Advantages
The OMEGA FMA-1600A stands out due to its unrivaled combination of measurement precision, user-friendly operation, and cross-industry versatility. The thermal mass flow sensing element directly measures the molecular mass of the gas, eliminating the need for separate temperature and pressure transducers that are typical in volumetric flow meters. This simplifies system design and reduces the potential for measurement errors, saving time and cost during laboratory experiments.
Its digital display is designed for easy reading, even at a glance, and the selectable engineering units allow technicians to switch between standard and custom units without manual calculations. The optional RS232 interface provides a simple pathway for remote monitoring and data logging, making the FMA-1600A a smart building block for automated test benches and industrial IoT systems.
Mechanically, the flow meter is constructed with high-quality wetted materials such as stainless steel and PTFE, ensuring compatibility with a broad range of gases and long service life. Its low internal volume and straight-through flow path contribute to negligible pressure drop, which is critical when the meter is inserted into a sensitive gas delivery line.
Furthermore, the device comes with built-in self-diagnostics and a thermal sensor that resists clogging and contamination, reducing maintenance frequency. Laboratory managers appreciate the easy zero adjustment and span calibration features that can be performed on site using the front panel or optional software. All these factors translate into reliable measurement data and higher productivity in research and quality control environments.
Typical Laboratory Applications
Gas mixing systems for multi-component flow analysis
Bioreactor and fermentation gas supply monitoring
Fuel cell and battery testing stations
Environmental chamber gas flow control
Analytical instruments – GC, MS, and spectrometers
Semiconductor process tool gas lines
Pharmaceutical research and chemical reaction monitoring
Quality and After-Sales Support
At Rossonix Co., Limited, we understand that laboratory instruments need to meet rigorous standards. Since 2011, our company has been supplying flow measurement products to clients across North America, Europe, Asia, and Oceania. With an annual export value of USD 5-10 million and a dedicated overseas office, we are equipped to provide responsive technical support and logistics coordination for international customers.
Our team operates under a quality management system certified to ISO9001 and ISO9000, ensuring that all processes from procurement to after-sales follow established procedures. Every OMEGA FMA-1600A unit is carefully inspected before shipment, and we offer calibration certificates and documentation upon request. Our experienced staff can also assist with product selection, customization needs, and troubleshooting, reducing your procurement risk and maximizing the return on your investment.
We maintain a network of reliable shipping partners and can deliver orders via Shenzhen, Hong Kong, or Europe, whichever is most convenient for your location. For urgent laboratory projects, we offer expedited shipment options as well. Whether you are upgrading an existing flow measurement system or outfitting a new lab, Rossonix Co., Limited is committed to providing cost-effective, high-quality measurement solutions that meet your specific requirements.
Frequently Asked Questions
1. What kind of gases can the FMA-1600A measure?
The FMA-1600A is compatible with a wide range of non-corrosive gases, including air, nitrogen, oxygen, argon, carbon dioxide, helium, hydrogen, and many others. For special gases or mixed gases, a custom calibration can be performed at our facility or by the manufacturer to ensure accurate readings.
2. How do I select the correct flow range for my application?
You need to determine your expected maximum flow rate and select an appropriate full-scale range. The FMA-1600A is available in standard ranges from 0-10 sccm up to 0-500 slpm. If you are unsure, you can send us your process details and our technical team will help you choose the most suitable model.
3. Does the meter require external temperature or pressure compensation?
No. The thermal mass flow sensing principle directly measures mass flow, so temperature and pressure changes within the operating range will not affect the output. This eliminates the need for separate compensation devices and simplifies installation in complex gas systems.
4. What output options are available for data logging and process control?
The standard version provides both analog outputs (0-5 VDC, 0-10 VDC, or 4-20 mA) and RS232 digital communication. This allows easy connection to PLCs, data acquisition cards, and laboratory software. We can also add RS485 or custom outputs upon request.
5. Can I use the FMA-1600A for flow control as well as measurement?
The FMA-1600A is primarily a flow meter. If your application requires both measurement and control, we suggest pairing it with an appropriate flow control valve or choosing a mass flow controller version. We can provide recommendations and complete integrated flow control solutions.
6. How accurate is the flow meter and how often does it need calibration?
The FMA-1600A offers accuracy of ±1% of full scale under reference conditions. Calibration frequency depends on usage intensity and your lab's quality requirements. Generally, an annual calibration is recommended. We can arrange factory calibration services or provide you with the necessary procedure to do it in-house.
7. Is the FMA-1600A easy to install?
Yes. The meter is supplied with standard NPT or compression fittings and includes a user manual with mounting instructions. It can be installed horizontally or vertically, but for optimal performance we recommend installing it in a level orientation. The digital display shows instantaneous flow and totalized volume, making setup simple.
8. What is the warranty and technical support policy?
We offer a standard 12-month warranty against defects in materials and workmanship. Our technical team is available to answer installation questions, troubleshoot issues, and assist with spare parts requests. Extended warranty and calibration service contracts are available upon request.
Choose the OMEGA FMA-1600A for your laboratory gas flow measurement needs and benefit from precise, reliable, and easy-to-use instrumentation. Contact Rossonix Co., Limited today for a quotation or additional technical information. We look forward to supporting your research and testing success.
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