This is our best pressure/vacuum controller: the Elveflow OB1 MK4. Embedding the state-of-the-art technology for flow control from -900 mbar to 8 bar, this controller is 20 times more precise and 10 times faster than the other flow controllers on the market.
According to your needs, it can be equipped with up to 4 channels for pressure and/or vacuum. An optional flow sensor can be added.
General
The OB1 Mk4 pressure controller offers great flow precision and fast response time with pulsation-free performance, ideal for cutting-edge research. With versatile sensor compatibility, intuitive software, and seamless integration across platforms, it’s built for reliability, adaptability, and innovation.
Features & Benefits
Achieve enhanced precision
- 20x more precise: Achieve unparalleled accuracy in your experiments, surpassing traditional flow controllers.
- 10x faster response: Witness rapid flow changes with minimal delay, thanks to advanced Piezo technology.
- Pulsation-free flow: Ensure consistent and reliable fluid delivery, eliminating unwanted fluctuations.
Versatile and adaptable for microfluidic innovation
- Specifically engineered for microfluidic research, the OB1 MK4 excels in demanding applications.
- Experience blazing-fast flow changes directly within your microdevices.
- Configurable channels: Pair each channel with Microfluidic Thermal Flow Sensors (MFS) or Coriolis Flow Sensors (BFS) for precise flow rate control of both liquids and gases.
- Wide pressure range: Offers multiple pressure ranges to suit diverse experimental needs, see specifications tab.
Intuitive software and seamless integration
- Elveflow OB1 Software: Control your experiments with ease using the intuitive software interface.
- Sequencer functionality: Design complex experimental sequences with the powerful Sequencer tool.
- Data logging: Record data at up to 100Hz and export for further analysis.
- Broad compatibility: UART communication enables integration with various control systems, including Mac, Linux, Arduino, and PLCs.
- ESI Software and SDK: Access software and development tools for custom applications.
Reliability and support
- Backed by a 2-year warranty for peace of mind.
Advantages of pressure control in microfluidics
Content
1x Pressure controller
1x Power supply
1x User manual
1x USB-key loaded with ESI software
Specifications
Pressure channels specifications
| Channel type |
1 |
2 |
3 |
4 |
5 |
| Pressure range |
0 to 200 mbar |
0 to 2 bar |
0 to 8 bar |
-900 mbar to 1 bar |
-900 mbar to 6 bar |
| Pressure range (psi) |
0 - 2.9 psi |
0 to 29 psi |
0 to 116 psi |
-13 to 14.5 psi |
-13 to 87 psi |
|
Pressure stability (Full Scale)
|
0.015 %
|
0.005 %
|
0.006 %
|
-900 to 500 mbar |
500 to 1000 mbar |
-900 to 2000 mbar |
2000 to 6000 mbar |
| 0.005 % |
0.007 % |
0.005 % |
0.007 % |
| Pressure stability |
30 µbar / 0.0004 psi |
100 µbar / 0.0014 psi |
500 µbar / 0.007 psi |
100 µbar / 0.0014 psi |
150 µbar / 0.0021 psi |
350 µbar / 0.05 psi |
525 µbar / 0.076 psi |
| Response time |
down to 10 ms |
| Settling time |
down to 50 ms |
| Minimum pressure increment |
12 µbar - 0.00017 psi |
120 µbar - 0.0017 psi |
480 µbar - 0.007 psi |
120 µbar - 0.0017 psi |
420 µbar - 0.006 psi |
| Pressure supply |
Max pressure + 0.5 bar and up to 10 bar
Non corrosive, non explosive, dry and oil-free gases, e.g. air, argon, N2, CO2, ... |
| Input vacuum |
/ |
From -0.7 to -1 bar
Compatible with vacuum pump or vacuum line |
| Liquid compatibility |
Non contact pump
Any aqueous, oil, or biological sample solution. |
Please note that the max pressure value might vary by +/- 2.5%.
Instrument specifications
| Flow sensor compatibility |
Compatible with the whole MFS and BFS range
Monitoring and feedback loop flow control available |
| Flow rates |
From 0,1 µL/min to 500 mL/min
(indicative, please refer to the MFS and BFS series) |
| Liquid compatibility |
Non contact pump
Any aqueous, oil, or biological sample solution. |
| Software control |
Elveflow Smart Interface
Windows 7, 8 and 10, both 32 and 64 bit versions supported |
| Software development Kit |
Librairies available: Matlab, Python, Labview, C++
Windows 7, 8 and 10, both 32 and 64 bit versions supported
Serial/UART communication protocol on request |
| Data management |
Possibility to log and extract data (.csv): channel and sensor detailed information using ESI |
| Input profiles |
Possibility to load profiles: ramp, sine, triangle, square or custom |
| Automation |
Generate step-by-step sequences using the ESI built-in sequencer
Load and save custom configurations (.csv) |
| Screen |
LCD screen showing pressure and sensor from the channel |
| USB connection |
USB B |
| Sensor connection |
One M8-4 pins connecter available per channel
Compatible with Elveflow sensors: MFS, MPS, MFP, MBD
Custom analog sensor supply: 5-24 V
Custom analog sensor readout : 0-10 V |
| TTL trigger |
In and out available
0-5 V |
| Power consumption |
12 W (100 V to 240 V – 50 Hz to 60 Hz) |
| Casing dimensions |
240 x 223 x 80 mm |
| Weight |
1.4 kg to 2.9 kg |
Documentation
OB1 Mk4 Pressure Controller User Guide
