Red-y smart pressure controller: pressure and flow control in one instrument
The red-y smart pressure controller from Vögtlin Instruments is an advanced solution for accurate pressure control with integrated flow measurement. The instrument is designed for applications where pressure and flow must be monitored or controlled simultaneously, such as in gas distribution, process automation and analytical systems.
Thanks to the combination of thermal mass flow technology and intelligent pressure control, this controller offers maximum flexibility in one compact device.
1 device – 3 functions
The red-y smart pressure controller combines three functions in one instrument, making several control strategies possible without extra components:
Pressure regulator
Accurate control of the gas pressure within the process.
Pressure regulator with flow measurement and limiting
Combines stable pressure control with continuous monitoring and limiting of the mass flow.
Flow controller with pressure measurement
Controls the mass flow while simultaneously measuring and displaying the current process pressure.
This multifunctional approach simplifies system design and increases installation flexibility.
Available versions
The red-y smart pressure controller is available in different instrument versions, matched to specific applications:
Integrated pressure controlMeasuring and control accuracy: ± 0,5 % of full scaleIntegrated back pressure controlMeasuring and control accuracy: ± 0,5 % of full scalePressure control with external pressure transmittersFor applications that require external or process-specific pressure measurementsPressure regulator with gas mixer functionSuitable for applications where several gases are mixed under controlled pressure and flow
Key properties
Integrated pressure control with flow measurement
The controller regulates the gas pressure while simultaneously measuring and recording the flow, ensuring stable process conditions.
Thermal mass flow technology
The controller uses thermal mass flow measurement for direct determination of the gas mass, resulting in precision, stability and reproducibility.
Multi-gas functionality
One instrument can be configured for different gases or gas mixtures, giving flexibility in use without hardware changes.
Analogue & digital communication
The red-y smart pressure controller supports classic analogue outputs and modern digital interfaces such as Modbus RTU, with options for fieldbus protocols such as Profibus, Profinet RT and EtherCAT.
User-friendly configuration
Settings for pressure, flow and other parameters can easily be managed via the Vögtlin software or the built-in controls, simplifying commissioning and maintenance.
Compact and robust design
Designed for integration into industrial and OEM systems, with durable materials and options for different process environments.
Applications
The red-y smart pressure controller is used for, among other things:
- Gas distribution and gas supply systems
- Process automation and industrial gas control
- Laboratory and analysis applications
- OEM systems with combined pressure and flow control
Technical specifications
Measuring & control ranges pressure | |
|---|
| Pressure control | Absolute, differential or gauge pressureStandard measuring ranges from 30 mbar up to 10 bar (graded)Turndown ratio: 1 : 100 |
| Back pressure control | Absolute, differential or gauge pressureStandard measuring ranges from 30 mbar up to 10 bar (graded)Dynamic range depending on the application |
| Measuring ranges flow | |
| Air/full scale freely selectable | Body size ¼” from 0 … 25 mln/min to 0 … 60 ln/minBody size ½” from 0 … 60 ln/min to 0 … 450 ln/min |
Turndown ratio & accuracy flow | |
|---|
| "Standard" | Accuracy: ± 1.0% of full scale*Turndown ratio: 1 : 50 |
| “Hi-Performance”(up to 150 ln/min) | Accuracy: ± 0.3% of full scale + ± 0.5% of reading*Turndown ratio: 1 : 100 |
| Pressure controller with external transmitter, special measuring ranges (e.g. 0-20 Pa) & customer-specific solutions on request |
Performance data | |
|---|
| Media (real gas calibration) | Air*, O2*, N2, He, Ar, CO2, H2, CH4, C3H8 (other gases and gas mixtures on request)*O2 & N2 are calibrated with air |
| Response time flow measurement | ± 80msdepending on device configuration & according to SEMI standard E17-1011, 5-100% of range under optimized conditions |
| Response time pressure measurement | 150ms |
| Response time pressure control | Depending on the measuring section |
| Repeatability | ± 0.2% of full scale (according to SEMI standard E56-0309) |
| Long-term stability | < 1% of measured value / year |
| Power supply | 24 Vdc (18 – 30 Vdc), 15 Vdc on request |
| Current consumption standard | Meter: max. 100 mA; Controller: max. 250 mA(with valve type 8 max. 490mA) |
| Current consumptionProfinet RT / EtherCAT | Meter: max. 125 mA; Controller: max. 340 mA(with valve type 8 max. 560mA) |
| Temperature (environment/gas) | 0 – 50°C |
| Body materials | Anodized aluminium,optional stainless steel electropolished 1.4305 or 1.4404 |
| Seals | FKM, EPDM, optional FFKM |
| Pressure | Vacuum up to 10 bar g |
| Pressure sensitivity | <0.2% / bar of reading (typical N2) |
| Temperature sensitivity | 0.025% FS measuring range type / °C |
| Warm-up time | <1 sec. for full accuracy |
Integration | |
|---|
| Output signals digital | RS-485; Modbus RTU (slave); LabView VIs availableOption: Profibus DP-V0, DP-V1 / Profinet RT / EtherCAT |
| Output signals analogue | 0..20 mA, 4..20 mA, 0..5 V, 1..5 V, 0..10 V, 2..10 V |
| Analogue setpoints | Realizable with AD-converter (on request) |
| Process connection | G¼” (BSPP* female) up to 60 ln/min,G½” (BSPP* female) up to 450 ln/min*British Standard Pipe Parallel |
| Inlet section | None required |
| Electrical connection | Sub-D plug, 9 pole |
| Mounting orientation | Any position (consult manufacturer above 5 bar or vertical mounting) |
Safety | |
|---|
| Test pressure | 16 bara |
| Leak rate | < 1 x 10-6 mbar l/s He |
| Ingress protection class | IP50 or IP67 |
| EMC | EN 61326-1 |
