Thermal Mass Flow Switches

Ensures safety with preset switching points, easy installation, high sensitivity, and optional relay or digital outputs for process integration.

Thermal mass flow switches provide reliable flow detection for gases using heat transfer principles. They ensure safe operation by monitoring minimum flow rates and triggering alarms or shutdowns when flow drops below set limits. Compact and robust, they feature easy installation, high sensitivity, and optional digital outputs for integration with control systems.

DeltaM FS42/VS5100 series Sierra Innova Switch series E&H Flowphant series

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Product Overview

Thermal mass flow switches detect and monitor gas flow using heat transfer technology, ensuring safe and efficient operation. They provide accurate switching at preset flow thresholds, ideal for preventing damage to equipment or ensuring process integrity. Suitable for DN15–DN3000 pipes, they operate up to 100 bar and +180°C. Optional outputs include relay, transistor, and digital communication for integration with control systems. Compact and easy to install, these switches are widely used in energy management, gas supply monitoring, and industrial safety applications.

Thermal Mass Flow Switches

General Specifications:

Feature Specification
Product Type Thermal Mass Flow Switch
Measurement Principle Heat transfer from heated sensor to gas flow
Measured Media Clean, dry gases (air, natural gas, biogas, etc.)
Pipe Size Range DN15 to DN3000
Switching Accuracy ±2% of setpoint
Process Pressure Up to 100 bar
Process Temperature -40°C to +180°C
Outputs Relay, transistor, optional digital communication
Applications Flow monitoring, safety interlocks, gas supply protection

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SRB Controls offers high-precision instrumentation that ensures the most accurate measurements across a wide range of industrial applications. With advanced technology and expert calibration, our products help eliminate errors and enhance operational efficiency.

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