RS485 Vortex Flow Meter 4-20mA – Compensation for Heated Steam, Compressed Gas/Air & Liquid – Cost-Effective China

About Product

Highlight

Stainless Steel Construction: Durable and resistant to corrosion, ensuring long-term reliability
Temperature and Pressure Compensation: Ensures accurate measurements across varying conditions
Wide Temperature Range: Operates efficiently from -40℃ to 350℃
Multiple Outputs: Supports 4-20mA current output and Pulse modbus for seamless integration
Explosion-proof Design: Meets safety standards for hazardous environments

 

About Us

Kaifeng Kamboda Industrial Instrument Co., Ltd. is a high-tech enterprise specializing in flow instruments, located in Henan, China. We produce electromagnetic and vortex flow meters, serving industries like water supply, chemical, and power. With over 11-50 employees, we ensure quality through pre-production samples and final inspections

                     

FAQs

1. who are we

We are based in Henan  China, China, start from 2017, sell to Domestic Market(60.00%), Western Europe(10.00%), Southeast Asia(10.00%), Mid East(6.00%), South Asia(5.00%), South America(5.00%), Eastern Asia(4.00%), North America(0.00%), Oceania(0.00%), Southern Europe(0.00%), Central America(0.00%), Northern Europe(0.00%), Africa(0.00%), Eastern Europe(0.00%). There are total about 11-50 people in our office

2. how can we guarantee quality

Always a pre-production sample before mass production; Always final Inspection before shipment

3. what can you buy from us

Electromagnetic Flowmeter, Steam Flowmeter, Gas Turbine Flowmeter, Ultrasonic Flowmeter, Liquid Turbine Flowmeter

4. why should you buy from us not from other suppliers

We have been in this business for more than 20 years. Our customer satisfaction is 99.5%. We are able to provide electromagnetic flow meters with international standards. Located in Kaifeng, the biggest base of flow instruments in China

KAMBODA presents a reliable and affordable RS485 heated steam and compressed gas vortex flow meter designed for everyday industrial use. This flow meter is built to measure liquids, steam, compressed air, and gas with consistent accuracy. It offers 4-20 mA output for simple integration into control systems and supports RS485 communication for remote monitoring and data logging. The design focuses on practical performance and straightforward installation, making it a good choice for engineers and technicians who need dependable flow measurement without high cost

The unit uses a vortex shedding principle to sense flow, which means fewer moving parts and reduced maintenance. Because it is heated, the sensor performs well in low-temperature environments and resists condensation and freezing that can interfere with readings. This is especially useful in outdoor plants, cold climates, or processes where steam and moist gases are present. The heating element keeps the sensor stable so measurements remain accurate and response times stay fast

Setup is quick and intuitive. The flow meter is compatible with common pipe sizes and connects to standard flanges or threaded fittings. Electrical connections are user-friendly, with clear terminals for power, the 4-20 mA signal, and RS485 lines. The RS485 interface allows for robust serial communication over long distances and integration with modern SCADA or PLC systems. Users can access live flow data, set parameters, and perform diagnostics remotely, which reduces the need for field visits and speeds troubleshooting

Accuracy and reliability are core strengths. The vortex flow measurement delivers repeatable results across a wide flow range. The meter compensates for changes in temperature and pressure to improve mass flow accuracy for gases and steam. Built-in compensation algorithms help the device adjust readings automatically as operating conditions vary. This feature is particularly valuable in compressed air systems and steam lines where pressure and temperature fluctuate during normal operation

Durability is emphasized in the construction. The body is made of corrosion-resistant materials suitable for industrial environments. Internal components are protected against moisture and particulate ingress. The heated sensor element and sturdy electronics are packaged to withstand vibration and thermal cycles common in plant settings. This toughness translates to longer intervals between maintenance and a lower total cost of ownership

Installation flexibility makes this meter practical for many applications. It supports inline mounting and can be oriented to fit available space. The compact profile of the device saves room in crowded panels or piping runs. For retrofits, the meter replaces older mechanical units without requiring major piping changes. Its light weight simplifies handling during installation while still providing the robustness expected in industrial equipment

The user interface and configuration options are designed for clarity. Basic setup can be done with simple switches or through RS485 commands, depending on user preference. The 4-20 mA output provides a familiar and dependable analog signal for process controllers, while the RS485 port offers advanced configuration and data access. This dual-output approach ensures compatibility with both older control systems and modern digital networks

Energy efficiency is considered in the heated design. The heating element is optimized to maintain sensor temperature only as needed, reducing power draw while preventing measurement errors caused by condensation or freezing. This careful balance keeps operational costs modest and helps justify the inclusion of heating in applications where it is beneficial

Safety and compliance are addressed through standard industrial features. The flow meter meets common electrical and operational standards for industrial equipment. Grounding and surge protection recommendations are provided in the manual to ensure safe integration into plant systems. The robust housing and secure electrical connections reduce the risk of accidental damage or exposure during routine maintenance

Maintenance is straightforward. Periodic checks focus on verifying wiring integrity, confirming calibration with a reference, and inspecting mounting points for tightness. The lack of moving parts greatly reduces wear-related service. When service is required, the modular design allows for targeted repairs without replacing the entire unit. Spare parts are simple to stock and replace, which helps minimize downtime

Applications span many industries. The meter is well-suited for compressed air audits, steam heat control, process gas monitoring, and general liquid flow measurement where vortex technology is appropriate. It fits food and beverage plants, HVAC systems, manufacturing lines, chemical processing, and utilities. The mix of analog and digital outputs, plus the heated sensor capability, makes it versatile across these settings

KAMBODA’s support resources include technical documentation, wiring diagrams, and configuration guides. These materials help users get the most from their flow meter and reduce setup time. Technical support is available to assist with selecting the correct model, tuning compensation settings, and integrating the device into larger control systems

The KAMBODA RS485 heated steam and compressed gas vortex flow meter is a cost-effective, practical solution for professionals who need steady and accurate flow measurement. It combines the stability of a heated sensor, the simplicity of 4-20 mA signaling, and the connectivity of RS485 for modern monitoring. Durable construction, easy installation, low maintenance, and built-in compensation make it a smart choice for a wide range of industrial applications