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Bi-directional Pressure Control System
MEMS/NEMSApplications

Bi-directional Pressure Control System

By Bartels Mikrotechnik

How This Microfluidic System Works This contamination-free, bi-directional system guarantees precise and reliable pressure regulation. Ideal for precise pressure regulation in fluid handling and industrial applications. The Essential Components - 1 x The Bartels Pump | BP7 – Mounting - 1 x Mounting Frame - 1 x Pump driver (Highdriver) - 3 x 3/2 valve - 1,5 x valvedriverS - 1 x Pressure Sensor - Tubing: Tygon / Silicon - 3D printed Chip - Customized PCB material - Casing Customize Your Fluidic System Software Electronic Interface USB Bluetooth Wifi RS485 Interface Fluidic Interface Festo QS Upchurch connectors made from PEEK Barb connectors Luer connectors Fluid Routing Options Tubing Fluidic Interface/Manifold/Chip Pricing Overview Turnaround Time: 4 – 6 weeks Option I Individual Order – initial budget required – 1 Custom Engineering 20.000 € 2 1 x Developed System 2.000 € Option II Blanket Order – no initial budget required – 1 100 x Developed Systems including Custom Engineering Detailed process of designing and applying solutions 2.200 € per System

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LG16 – Low Flow Liquid Sensor by Sensirion

The LG16‑0431D is a compact liquid flow sensor designed for precise measurement of ultra‑low flow rates in OEM applications. Accurate measurement of ultra‑low flow rates up to 80 µl/min with fast response time CMOSens® technology with digital I²C interface for easy integration Ideal for microfluidics, analytical instruments, and precision dosing systems The LG16‑0431D by Sensirion is an ultra‑compact low flow liquid sensor designed for seamless integration into OEM systems and enclosed device architectures. It enables highly accurate measurement of very small liquid flow rates and supports flow rates of up to 80 µl/min, making it ideal for applications where precision, responsiveness, and minimal footprint are critical. Powered by advanced CMOSens® sensor technology, the low flow liquid sensor delivers a fully calibrated and linearized output signal. Its digital I²C interface ensures straightforward integration into existing systems, while multiple calibration options for water and hydrocarbon‑based fluids provide maximum flexibility. Key Features Accurate measurement of ultra‑low flow rates (up to 80 µl/min) – ideal for microfluidic applications Fast response time (down to ~40 ms) for dynamic processes Broad media compatibility thanks to inert wetted materials (glass, PEEK, fluoropolymers) Digital I²C interface for easy system integration Low power consumption for energy‑efficient designs Fully calibrated and linearized output – ready to use out of the box Typical Applications Microfluidic systems and lab-on-a-chip devices Precision dosing and flow control applications Droplet detection and air bubble monitoring Analytical instruments and medical devices Industrial OEM solutions requiring low flow measurement Contents No. 1 LG16‑0431D Low Flow Liquid Sensor, Qty 1 No. 2 Connection Cable for mp-Multiboard2, Qty 1 No. 3 Fluid Connectors, Qty 2 Specifications Product type: Compact liquid flow meter Sensor type: Liquid flow sensor Operating principle: CMOSens® thermal liquid flow measurement Flow range (H₂O): 0 to 80 µl/min Full scale flow rate (H₂O): 80 µl/min Accuracy (H₂O): ±5 % of measured value or ±0.3 % of full scale (whichever is greater) Repeatability (H₂O): ±0.5 % of measured value or ±0.01 % of full scale (whichever is greater) Full scale flow rate (IPA): 500 µl/min Accuracy (IPA): ±20 % of measured value or ±1 % of full scale (whichever is greater) Repeatability (IPA): ±1 % of measured value or ±0.05 % of full scale (whichever is greater) Operation mode: Bidirectional Maximum recommended operating pressure: 30 bar Burst pressure: 80 bar Pressure drop at full scale (H₂O): 1 mbar Pressure drop at full scale (IPA): 7 mbar Total internal volume: 5 µl Fluidic connector ports: UNF 6-40 for 1/32″ OD tubing Supply voltage: 4 to 12 V DC Typical supply voltage: 5 V DC Operating current: 6.8 mA typ. Power-up time: 120 ms Response time: 40 ms (τ63) Interface: Digital I²C I²C address: 0x40 (default) I²C clock frequency: 100 to 400 kHz Operating temperature: +10 to +50 °C Storage temperature: -10 to +60 °C Wetted tube material: Quartz glass (fused silica) Fitting material: PEEK Sealing material: FEP Dimensions (L × W × H): 53 × 22 × 9 mm Weight: 6 g Inner diameter: 430 µm Electrical connection: 5-pin Molex PCB Header 53261-0571 Compliance: REACH, RoHS, WEEE SKU: BM-A-0065 Category: Sensors

Pressure Sensor by Honeywell

The Pressure Sensor by Honeywell is a compact, preassembled solution for microfluidic systems, designed for seamless use with the mp-Multiboard2. It monitors dry gases and non-corrosive liquids with high precision, offering: - Plug-and-play design with pre-fitted cables. - Compact size (8 mm x 7 mm) for miniaturized setups. - Real-time output (1 kHz analog, 2 kHz digital). Ideal for life sciences and custom microfluidic applications, it ensures reliable performance with minimal integration effort. The Pressure Sensor by Honeywell is a preassembled and reliable component, designed for seamless integration into the mp-Multiboard2 environment. Developed in partnership with Honeywell, this sensor ensures accurate pressure monitoring for both dry gases and non-corrosive liquids. It is perfectly adapted to work with The Bartels Pump | BP7 – Tubing and offers a ready-to-use solution for microfluidic systems. Key Features of the Pressure Sensor by Honeywell - Optimized Integration: Easily integrates into the mp-Multiboard2 setup with minimal effort. - Preassembled Design: Delivered with pre-fitted cables for plug-and-play use. - Compact Size: Small dimensions of just 8 mm x 7 mm, ideal for miniaturized systems. - High Versatility: Supports both dry gases and non-corrosive liquids. - Precise Performance: Features calibrated outputs for accurate pressure readings. - Enhanced Control: Offers analog and digital output options for flexible monitoring. Benefits of the Pressure Sensoring Adding this pressure sensor to your microfluidic setup provides multiple advantages: - Real-Time Monitoring: Outputs are updated at 1 kHz (analog) or 2 kHz (digital). - Improved System Functionality: Seamlessly integrates into the Multiboard2 software for efficient system control. - Effortless Integration: Designed to complement microfluidic components such as connectors and hose clamps. - Increased Precision: Ensures reliable readings with a ±1.5 %FSS error band over a wide temperature range (0°C to 50°C). Areas of Use for Pressor Sensor Control - Life sciences applications requiring compact and efficient designs. - Microfluidic systems needing reliable pressure monitoring. - Custom setups benefiting from active pressure control. Accessories and Related Items - mp-y connectors and mp-hc hose clamps for optimized connections. - Included in the mp-advance kit or addable to the mp-select kit. - Additional details available in the accessories catalogue on our website. Pressure Range: 0-1 bar, 0-15 psi Dimensions: 8 mm x 7 mm Update Frequency: 1 kHz (analog) / 2 kHz (digital) Temperature Range: 0°C to 50°C Total Error Band: ±1.5 %FSS Medium Compatibility: Dry gases and non-corrosive liquids 1 x Pressure Sensor with soldered cable ready for use with our multiboard

SLF3S Kit – Flow Sensors for liquids by Sensirion

SLF3S Flow Sensors for liquids by Sensirion Precise flow control is key in many microfluidic applications. These compact and reliable sensors, developed by our partner Sensirion., enable accurate liquid flow measurement and seamless integration with our microfluidic systems. Overview Available in two versions: - for flow rates up to 40 ml/min - for flow rates up to 2.0 ml/min Dimensions: 48 × 15.5 × 8.9 mm Materials in contact with media: PPS, stainless steel 316L, epoxy-based adhesive Details Measuring liquid flow rates with precision is often essential for performance and reliability. That’s why we’ve added these two microfluidic sensors to our portfolio. Both versions are factory-calibrated for water and IPA. Thanks to their compact size and standard interfaces, they are easy to integrate into new and existing setups. The materials used (PPS, 316L stainless steel, and epoxy) ensure chemical resistance and durability. For further technical details, please refer to our accessories catalogue in the download are on our website. Combined with our software, the sensors provide full insight into flow parameters and allow easy control. The sensor data is displayed directly within the mp-Multiboard2 interface, so there is no need to switch between tools. These sensors pair well with The Bartels Pump | BP7 – Tubing and expand the control possibilities of your microfluidic setup. You can see them in action on our YouTube channel, where we regularly showcase experiments using these sensors. Each sensor comes with: - a connection cable - a tubing connector - an mp-Damper for pulsation damping This ensures direct compatibility with the mp-Multiboard2 and easy integration into your fluidic system. One sensor is included in the mp-advance kit and can also be added to the mp-select kit. For optimal performance with our micropump, we recommend using the mp-damper to minimize flow fluctuations during measurement. If you’re unsure which sensor best fits your application, feel free to contact us. We’re happy to help. Available in two versions: - for flow rates from 100 µl/min – 40 ml/min - for flow rates from 5µl/min – 2 ml/min Each version includes: connection cable, tubing connector, and mp-Damper Pulsation Damper Delivery time: 1 - 3 working days Sensor: 100 µl/min – 40 ml/min, 5µl/min – 2 ml/min Flow Sensor Notice Biofilm can form from use and contamination on the sensor element, causing inaccurate measurements. Prevent with IPA rinses after every use and remove with an enzymatic solution. Not covered under warranty.

Liquid High Flow Control Kit

This kit enables stable and continuous liquid transport across a wide flow range from 100 µl/min to 40 ml/min. It is designed for long duration perfusion and reliable high volume fluidics operation. The Liquid High Flow Control Kit is built for stable and powerful fluid transport in demanding applications. It enables continuous flow from source to source with consistent liquid volumes over long operation times. The system is optimized for perfusion, dosing, and circulation tasks in compact fluidics setups. Key Features of Liquid High Flow Control Kit Closed loop control ensures stable high volume flow up to 40 ml/min using real time sensor feedback. The system maintains continuous liquid circulation for long term experiments with minimal maintenance effort. - Continuous flow control from 100 µl/min to 40 ml/min - High performance liquid transport for long duration operation - Closed loop control via FluidControl Plus and Bartels Fluidic Studio - Integrated SLF3S-1300F flow sensor for real time feedback - Pulsation damping for stable flow behavior - Designed for compact fluidics with high functional density Benefits The system enables reliable high volume liquid handling with stable long term performance. It reduces maintenance effort while ensuring consistent fluid conditions over extended experiments. - Stable continuous flow for long term perfusion experiments - Reduced maintenance through robust system design - Reliable operation with real time flow feedback - Low pulsation for consistent fluid behavior - Compact system architecture with high performance density - Cost efficient solution for high flow fluidics applications Areas of use The kit is designed for applications that require continuous high volume liquid transport and perfusion. It is optimized for long duration experiments and process development in compact fluidics environments. - Continuous perfusion systems - High volume dosing applications - Process development setups - Long term fluid circulation systems - Cell culture and biological fluid handling in controlled media conditions Contents: 1 The Bartels Pump BP7 – Tubing, Qty 3 2 FluidCube Base, Qty 1 3 Tygon tubing ID 1.3 mm (1 m), Qty 1 4 mp-Driver Pump Driver, Qty 1 5 SLF3S-1300F Flow Sensor (incl. cable & connectors), Qty 1 6 mp-damper Pulsation Damper, Qty 1 7 FluidCube Pump cable, Qty 1 8 Syringe with Luer-to-Barb adapter, Qty 1 9 USB-C cable, Qty 1 10 FluidControl Plus License 1-Channel, Qty 1 With the official order of the software the customer agrees that the right of withdrawal expires with immediate effect with the order confirmation and fulfillment of the order (sending of the license key). Flow Sensor Notice Biofilm can form from use and contamination on the sensor element, causing inaccurate measurements. Prevent with IPA rinses after every use and remove with an enzymatic solution. Not covered under warranty. SKU: BM-S-0044 Click to download: The Bartels Pump | BP7 – Tubing Datasheet. Click to download: Micropump Manual. Click to download: Electronic Driver Datasheet. Click to download: FluidCube and FluidicStudio Manual. Click to download: Accessories Catalogue.