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Help CenterAUTO FLOW Ultrasonic Flow Meter AUDS-100M Digital Type Non-contact Flow Detector
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Rossonix Co., Limited, established in 2011 and headquartered in Shenzhen, China, is a trusted trading company with over a decade of experience in industrial instrumentation. With annual export values reaching US$5–10 million and a global presence spanning North America, Europe, Oceania, and Asia, we specialize in delivering reliable measurement solutions. The AUTO FLOW Ultrasonic Flow Meter AUDS-100M is a digital, non-contact flow detector designed for accurate and maintenance-free flow measurement in pipes. Its clamp-on technology eliminates the need for pipe modification, making it an ideal choice for water treatment, HVAC, chemical processing, and energy management. Backed by our ISO9001:2015 certified quality management system, this meter offers exceptional performance and durability.
The AUDS-100M utilizes advanced transit-time ultrasonic technology to measure flow rates without direct contact with the fluid. Simply attach the transducers to the outside of the pipe, and the meter instantly provides precise flow data. This non-invasive approach ensures zero pressure loss, no contamination risk, and minimal downtime during installation. Whether you need to monitor clean water, wastewater, or industrial liquids, this meter delivers consistent accuracy across a wide range of pipe diameters and flow conditions.
Key Features & Benefits
Non-contact, clamp-on design – No pipe cutting, welding, or process shutdown required. Installation takes minutes, reducing labor costs and operational interruptions.
Digital measurement technology – High-resolution signal processing ensures accurate flow data even in challenging conditions (air bubbles, suspended solids).
Wide pipe size range – Suitable for pipes from DN15 to DN6000 (customizable for larger diameters).
Multiple output options – Standard analog (4-20mA), digital (RS485 Modbus), and pulse outputs for seamless integration with PLCs, SCADA, and data loggers.
Robust enclosure – IP65-rated housing protects against dust and water ingress, suitable for outdoor and industrial environments.
User-friendly interface – Large LCD display with backlight shows flow rate, total volume, and diagnostic information. Menu-driven setup in multiple languages.
Low power consumption – Operates on 24VDC or 220VAC, with optional battery backup for remote monitoring.
Technical Specifications
| Parameter | Value |
| Measurement Principle | Transit-time Ultrasonic |
| Pipe Size (DN) | 15–6000 (customizable) |
| Accuracy | ±1.0% of reading (optional ±0.5%) |
| Repeatability | 0.2% |
| Fluid Types | Clean liquids, wastewater, slurries (low solid content) |
| Output Signals | 4-20mA, RS485 Modbus, Pulse (OCT, NPN) |
| Power Supply | 24VDC (±10%) or 220VAC (50/60Hz) |
| Enclosure Rating | IP65 |
| Display | 128×64 LCD with backlight |
| Operating Temperature | Transducer: -30°C to 160°C (optional high-temp) |
The AUDS-100M is engineered for versatility. It supports both forward and reverse flow measurement, with automatic zero-point adjustment to maintain accuracy over time. The built-in data logger stores up to 100,000 records, and the optional wireless module enables remote monitoring via GSM or Wi-Fi. For users who need to measure flow in large pipes (over DN6000), custom transducer mounting kits are available upon request.
Real-World Applications
Water & Wastewater Treatment – Monitor inflow, outflow, and distribution without process interruption.
HVAC & Energy Management – Measure chilled water, hot water, and glycol loops for energy efficiency.
Chemical & Petrochemical – Safe for hazardous fluids (no contact) – ideal for corrosive liquids.
Food & Beverage – Hygienic non-contact measurement of CIP fluids, cleaning solutions.
Mining & Slurry – Handles abrasive fluids when using wear-resistant transducers.
The AUTO FLOW AUDS-100M is built to last. Its robust electronics and high-quality transducer materials ensure long-term stability even in harsh environments. The digital signal processor filters out noise from pipe vibrations or flow disturbances, providing reliable readings under fluctuating conditions.
Why Choose Rossonix?
With over 14 years of industry experience, Rossonix has established a strong reputation for delivering high-quality measurement instruments. Our ISO9001 certified processes ensure every product meets rigorous standards before shipment. We export to more than 10 major markets worldwide, including North America, Europe, Oceania, and the Middle East. Our overseas office provides localized support, and our dedicated team of 11–50 professionals is ready to assist with technical inquiries, customization, and after-sales service. From our ports in Shenzhen, Hong Kong, and Europe, we ship efficiently to over 20 countries.
We are confident that the AUDS-100M will exceed your expectations for flow measurement accuracy, ease of use, and value. We invite you to contact us for a quotation, technical datasheet, or sample request. Let Rossonix be your partner in flow measurement solutions.
Frequently Asked Questions
Q1: How do I install the AUDS-100M on my pipe?
Installation is simple: clean the pipe surface, apply coupling gel, attach the clamp-on transducers to the pipe, and connect the cables to the transmitter. No pipe cutting or process shutdown is required. Detailed instructions and mounting templates are provided.
Q2: Can this meter measure flow in metal, plastic, or lined pipes?
Yes, the ultrasonic signal can penetrate metal, plastic, glass, and lined pipes (e.g., rubber or epoxy). The meter automatically adjusts for pipe material and wall thickness.
Q3: What is the minimum straight pipe length required?
For accurate measurement, we recommend at least 10 pipe diameters upstream and 5 diameters downstream of any disturbance (valves, elbows, pumps).
Q4: Does the flow meter work with dirty or aerated liquids?
The AUDS-100M can handle moderately dirty water and small amounts of air bubbles. For high solids or heavy aeration, we suggest using our optional high-power transducers or consult our technical team for feasibility.
Q5: What output signals are available for integration with my control system?
Standard outputs include 4-20mA analog, RS485 Modbus RTU, and pulse (for totalization). Optional HART protocol and wireless (LoRa, GSM) are available upon request.
Q6: How accurate is the meter, and how often should it be calibrated?
Accuracy is ±1.0% of reading (optional ±0.5%). The meter requires no routine calibration under normal conditions; however, we recommend an annual verification using a portable flow meter or by sending the unit to our factory.
Q7: What is the power supply requirement?
The meter operates on 24VDC (standard) or 220VAC (optional). Power consumption is less than 15W. A battery-powered version is also available for remote field applications.
Q8: Do you offer customization for high-temperature or corrosive environments?
Yes, we offer high-temperature transducers (up to 200°C) and special cable materials for corrosive or hazardous areas. Contact our sales team to discuss your specific requirements.
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