ENAR
Industrial
VA 550 - Thermal mass flow sensor for flow measurement
Thermal mass flow sensor for compressed air and gases designed for energy monitoring, leakage analysis, and portable or stationary flow measurement applications.
EquipmentFlow Sensor
Type / Model / Part NoVA 550
Technical specification
| Parameter | Value |
|---|---|
| Measurement Principle | Thermal mass flow |
| Accuracy | ± 1.5% or ± 1% of measured value ± 0.3% of final value |
| Pressure Range | Up to 50 bar (special version up to 100 bar) |
| Media Temperature Range | Up to 180°C (ATEX + IECEx version up to 120°C) |
| Pipe Size Range | 3/4" to DN 1000 |
| Interface | 4...20 mA, pulse, Modbus RTU (RS 485) |
| Protection Class | IP 67 (IP 65 for ATEX + IECEx II 2D Ex tb IIIC T90°C Db) |
Applications
- Monitoring compressed air consumption
- Leakage flow analysis in compressed air systems
- Energy cost reduction in industrial systems
- Sustainability improvement in compressed air systems
- Measurement of compressed air and non-corrosive gases
- Measurement of flammable gases (natural gas, hydrogen, biogas)
- Portable flow measurement applications
- Industrial flow measurement applications
Features
- Stainless steel wetted parts for high purity and surface quality applications
- Robust aluminium housing for rough industrial environments
- Suitable for flammable gases with ATEX, IECEx, or DVGW approval
- High accuracy at small and large flow rates
- Pressure and temperature compensated via thermal mass flow principle
- Quick installation via standard ½'' ball valve
- No moving parts
- Low maintenance design
- Extremely low pressure loss
- Integrated display for measured values
- Settings adjustable via display buttons
- Main counter reset via display
- Suitable as insertion version for 3/4" to DN 1000
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