SUTO S451 Thermal Mass Flow Meter for Heavy Duty and Ex Applications – Precise flow measurement for large pipes in explosive environments, with robust construction and wireless setup.
The S451 Compressed Air Flow Meter is a robust and highly accurate thermal mass flow meter designed specifically for heavy-duty applications and hazardous environments. With its advanced insertion-type sensor, the S451 is perfect for monitoring compressed air and gas flow in a wide range of industrial settings, including those requiring explosion-proof equipment.
Key Features
- Durable Design: IP67-rated with stainless steel or nickel-plated components for corrosion resistance.
- High Accuracy: Measures mass flow, standard flow, consumption, pressure, and temperature.
- Data Logging: Built-in data logger with wireless access via the S4C-FS app for Android and iOS.
- Easy Installation: Insertion sensor installable under pressure through a ball valve; rotatable sensor head for display visibility.
- Comprehensive Outputs: Supports Modbus/RTU, Modbus/TCP, 4-20 mA analog outputs, and pulse/alarm outputs.
- Explosion Proof: Certified for ATEX, IECEx, and other safety standards.
- Vacuum measurement: Integrated absolute pressure sensor special for vacuum application.
Specifications
- Medium: Air, N₂, O₂, CO₂, and non-corrosive gases.
- Temperature: -30 to +140°C (Non-Ex), -30 to +90°C (Ex)
- Pressure: 0 to 5.0 MPa (Non-Ex), 0 to 1.6 MPa (Ex)
- Protection Class: IP67 (standard), IP65 (Ex option)
Application
The S451 is designed to perform in demanding environments, making it ideal for a variety of industrial applications:
- Chemical and Petrochemical Industries: Monitors gas flow, ensures safety in explosive atmospheres, and optimizes compressed air systems.
- Oil and Gas: Measures gas flow in extreme conditions, maintains safety in hazardous locations, and monitors equipment efficiency.
- Energy and Utilities: Manages compressed air in power plants, ensures pneumatic system reliability, and monitors emissions.
- Food and Beverage: Maintains gas purity and quality, operates efficiently under all weather conditions, and reduces operational costs.
- Pharmaceuticals: Monitors gases in manufacturing under strict safety conditions, ensures compliance, and enhances production efficiency.
- Automotive: Manages pneumatic tools and machinery in robust environments, ensures efficient assembly lines, and reduces waste.
- Metal and Mining: Measures gas flow in extreme conditions, ensures safety in explosive environments, and optimizes compressed air use.
Ordering Information
Available in standard configurations with options for different shaft lengths, gas measurements, and pressure ranges.







