3810 Ultrasonic Water Flow Meter – Reliable Monitoring for Water and Wastewater Applications

3810 Ultrasonic Water Flow Meter – Reliable Monitoring for Water and Wastewater Applications

The Rosemount 3810 Ultrasonic Water Flow Meter is a high-performance solution designed for accurate and reliable measurement of water and wastewater flows. Utilizing advanced ultrasonic transit-time technology, it delivers precise results without obstructing the flow path or causing pressure loss.

Engineered with a robust construction and no moving parts, the 3810 ensures long-term stability, minimal maintenance, and reduced lifecycle costs. Its wide measurement range and compliance with international standards make it ideal for critical applications in municipal water supply, wastewater treatment, industrial utilities, and pipeline operations.

Key Features – Rosemount 3810 Ultrasonic Water Flow Meter

1. High Accuracy & Reliability – Provides custody transfer–grade precision with ±0.15% of reading, ensuring dependable flow measurement.
2. Non-Intrusive Design – Ultrasonic transit-time technology with no moving parts, eliminating pressure loss and minimizing wear.
3. Wide Application Range – Optimized for water and wastewater, as well as crude oil and refined liquid products.
4. Advanced Diagnostics – Built-in monitoring and MeterLink™ diagnostics for real-time performance insights and predictive maintenance.
5. Robust Construction – Designed to withstand harsh environments, with durable materials for long service life.
6. Low Maintenance – No mechanical components in the flow path, reducing downtime and lifecycle costs.
7. Flexible Integration – Supports modern communication protocols for seamless connection to automation and control systems.
8. Compliance with Standards – Meets international requirements for custody transfer and industrial flow measurement.

Applications – Rosemount 3810 Ultrasonic Water Flow Meter

• Municipal Water Supply

1. Accurate measurement of potable water in distribution networks.
2. Ensures compliance with regulatory standards and billing accuracy.

• Wastewater Treatment

1. Reliable monitoring of influent and effluent flows.
2. Supports process optimization, leakage detection, and compliance reporting.

• Industrial Utilities

1. Measurement of cooling water, process water, and recycled water.
2. Helps reduce water consumption and improve efficiency in manufacturing plants.

• Pipeline Operations

1. Custody transfer and allocation metering of water and other liquids.
2. Suitable for loading/unloading terminals and long-distance transport.

• Energy & Power Generation

1. Monitoring of boiler feedwater and condensate return.
2. Ensures safe and efficient operation of power plants.

• Oil & Gas / Refining

1. Measurement of water injection, produced water, and utility water.
2. Supports both upstream and downstream operations.

Frequently Asked Questions (FAQ)

1. What is the Rosemount 3810 Ultrasonic Water Flow Meter used for?

It is designed for accurate and reliable measurement of water and wastewater flows, making it ideal for municipal utilities, industrial processes, and custody transfer applications.

2. How does the 3810 measure flow?

The 3810 uses ultrasonic transit-time technology. Ultrasonic signals are transmitted through the fluid, and the difference in travel time between upstream and downstream signals is used to calculate flow velocity and volume.

3. What is the accuracy of the 3810?

It provides ±0.15% of reading accuracy, ensuring dependable results for both process monitoring and fiscal metering.

4. Can the 3810 handle wastewater applications?

Yes. Its non-intrusive design with no moving parts makes it highly suitable for wastewater and other challenging water applications, with minimal maintenance requirements.

5. What are the typical line sizes supported?

The 3810 is available for 4"–24" (DN100–DN600) pipelines, covering a wide range of water and liquid transport systems.

6. What communication options are available?

It supports digital communication protocols such as HART and Modbus, enabling seamless integration into modern automation and SCADA systems.

7. How durable is the 3810 in harsh environments?

The 3810 is built with robust materials and industrial-grade construction, ensuring long service life even under demanding water and wastewater conditions.

8. What industries benefit most from the 3810?

1. Municipal water supply and wastewater treatment
2. Industrial utilities (cooling water, process water)
3. Pipeline operations (custody transfer, allocation metering)
4. Energy and power generation (boiler feedwater, condensate return)

9. What are the advantages of ultrasonic technology compared to mechanical meters?

1. ✅ No moving parts → minimal wear and maintenance
2. ✅ No pressure loss → higher efficiency
3. ✅ High accuracy → suitable for custody transfer
4. ✅ Advanced diagnostics → predictive maintenance and reduced downtime

10. Where can I get support or spare parts?

Emerson provides global service and support through Rosemount representatives, offering calibration, spare parts, and on-site assistance.