Rugged Housing for Outdoor Use (IP67)
The impact-resistant die-cast aluminum housing is suitable for demanding industrial environments and outdoor installation (IP67).
CS Instruments – VA 570
The VA 570 is a robust and highly accurate in-line flow meter for industrial measurement of flow rate, consumption, and temperature of compressed air and technical gases.
| Measuring Principle: Thermal Mass Flow (No Moving Parts) |
| Measuring Range: 0.1 … 224 m/s (1:1000 Range) |
| Accuracy: ±1.5% of Reading ±0.3% FS |
| Max. Operating Pressure: 16 bar (Optional up to 40 bar) |
| Media Temperature: Up to +180 °C |
| Housing Protection: IP67 |
| Measuring Principle: Thermal Mass Flow (No Moving Parts) |
| Measuring Range: 0.1 … 224 m/s (1:1000 Range) |
| Accuracy: ±1.5% of Reading ±0.3% FS |
| Max. Operating Pressure: 16 bar (Optional up to 40 bar) |
| Media Temperature: Up to +180 °C |
| Housing Protection: IP67 |
- Process Connections: Threaded or FlangedAvailable with R male thread or NPT male thread. Flanged versions according to DIN EN 1092-1 and ANSI 16.5 Class 150 lbs and Class 300 lbs are also available.
- Display: Integrated (Rotatable)The housing is rotatable and the display can be rotated by 180° for optimal readability.
- No Moving Parts – Minimal WearThe flow meter contains no moving parts; the sensor is robust and easy to clean.
- Removable Measuring HeadThe measuring unit can be removed for quick cleaning or calibration without dismantling the measuring section. During this process, the measuring section can be sealed with a shut-off cap (accessory).
- Configuration and DiagnosticsConfiguration and diagnostics via the display, PI 500 handheld terminal, or PC service software; access to settings and diagnostic data is also available via Modbus RTU.
- Standard AccuracyStandard version: accuracy of ±1.5% of reading ±0.3% of full scale.
- Measuring RangeMeasuring range 1:1000 (0.1 to 224 m/s) with negligible pressure drop.
| Parameter | Low-Speed | Standard | Max | High-Speed |
|---|---|---|---|---|
| Measuring Principle | Thermal Mass Flow Sensor | |||
| Measuring Range (Flow Velocity) [m/s] | 0.1 … 50 | 0.1 … 92.7 | 0.1 … 185 | 0.1 … 224 |
| Turndown Ratio | 1:1000 | |||
| Measured Parameters | Flow Rate, Consumption, Flow Velocity, Temperature | |||
| Accuracy (Standard) | ±1.5% of reading ±0.3% of full scale | |||
| Accuracy (Precision Version) | ±1.0% of reading ±0.3% of full scale | |||
| Repeatability | 0.25% of reading | |||
| Response Time (t90) [s] | < 3 | |||
| Ambient Temperature [°C] | -20 … +70 | |||
| Media Temperature [°C] | -20 … +180 | |||
| Media Temperature (ATEX Version) [°C] | -20 … +120 | |||
| Operating Pressure [bar] | Up to 16 (optional up to 40) | |||
| Display | Integrated, rotatable by 180°, simultaneous display of up to 4 measured values | |||
| Analog Output | 4–20 mA | |||
| Pulse Output | Consumption pulse output | |||
| Communication (Standard) | RS-485 (Modbus RTU) | |||
| Communication (Optional) | Ethernet (Modbus TCP), PoE, M-Bus, HART, IO-Link | |||
| Power Supply | 18 … 36 VDC, 5 W | |||
| Protection Rating | IP67 | |||
| Housing Material | Die-Cast Aluminum | |||
| Wetted Materials | Stainless Steel | |||
| ATEX Certification | II 2G Ex db IIC T4 Gb / II 2D Ex tb IIIC T90°C Db | |||
| DVGW Approval | Optional (Natural Gas Applications) | |||
Why Choose the VA 570?
No Moving Parts – No Wear
The flow meter contains no moving parts, eliminating wear, minimizing maintenance requirements, and ensuring long-term measurement stability.
Wide Pressure and Media Temperature Range
Operating pressure up to 16 bar (special version up to 40 bar) and media temperature up to 180 °C (ATEX version up to 120 °C).
4 Displayed Values + Freely Configurable Units
Simultaneously displays flow rate, total consumption, velocity, and temperature; measurement units are freely configurable.
High Accuracy and Wide Measuring Range
Standard version: ±1.5% of reading ±0.3% of full scale; precision version: ±1.0% of reading ±0.3% of full scale. Measuring range 1:1000 (0.1 to 224 m/s).
Industrial Communication and Integration
Access to measurements and settings via Modbus RTU; optional communication interfaces include Modbus TCP/PoE, M-Bus, HART, and IO-Link.
Easy Maintenance: Removable Measuring Head
The measuring head can be quickly removed for cleaning or calibration without dismantling the measuring section; the section can be sealed with a shut-off cap (accessory).
Flexible Installation: Rotatable Housing and Display
The housing is rotatable, and the display can be rotated by 180°, making it easier to read after installation.
Energy
Energy MonitoringReliable measurement of air and gas flows to support energy monitoring and improve process efficiency.
Compressor Stations (FAD)
FAD MeasurementMeasurement of Free Air Delivery (FAD) directly in pipelines, even while the system remains in operation.
Chemical Industry
Process GasesAccurate flow measurement of technical gases for stable and safe chemical processes.
Food Industry (N₂ / CO₂)
Inert GasesMonitoring nitrogen and CO₂ consumption in packaging, cooling, and protective atmosphere applications.
Automotive Industry
Process AirReliable measurement of air and gas flow rates in manufacturing, assembly, and painting processes.
Aerospace Industry
Critical ProcessesHigh measurement accuracy for monitoring flow rates in demanding and safety-critical applications.
Metallurgy and Welding
Shielding GasesMeasurement of shielding and process gas flow rates for stable welding and metallurgical operations.
Natural Gas and Steam
Industrial MediaMonitoring industrial gas and process media flow rates for energy and technological applications.
Measuring devices
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Where to find us
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