
Serial Diluters by iNLABTEC – Sustainable, Efficient Microbial Dilution Systems
Discover the next generation of microbial testing with Inlabtec Serial Diluters. Designed for precision, sustainability, and ease of use, our systems automate the preparation of decimal serial dilutions using eco-friendly dilution bags. Explore our models to find the right fit for your lab’s workflow and budget.

Serial Diluter UC: The Automatic
The Serial Diluter UC is our fully automated solution, integrating Inlabtec’s precise bag-based system with intuitive, user-friendly automation. Illuminated openings guide users through pipetting steps, while advanced sensors ensure precise mixing and diluent dispensing. This model boosts lab efficiency and accuracy, making it ideal for high-throughput microbiological workflows.
Watch: Serial Diluter UC in Action (Video Demos)
Key Features of the Serial Diluter UC
- Inherent in Inlabtec bag-based systems, the Serial Diluter UC ensures high precision and reliability in microbiological dilution processes.
- Seamlessly integrates user-centric automation, providing a fully automated dilution process for enhanced efficiency.
- User-centered design simplifies the intricate process of serial dilution to a straightforward and user-friendly pipetting experience.
- Strategically placed illuminated openings offer intuitive instructions to users, enhancing the overall experience and reliability of sample addition and retrieval.
- Leverages cutting-edge sensor technology for consistent detection of sample additions, enabling efficient control over mixing and diluent addition.
- Proven in ISO 17025 accredited laboratories and proficiency testing schemes – trusted performance with no reported issues.
Benefits of Using the Serial Diluter UC
- Guarantees exceptional accuracy in dilution processes, ensuring reliable and precise microbiological testing results.
- Provides an unparalleled ease in microbiological workflows, streamlining processes and enhancing overall laboratory efficiency.
- Offers a user-friendly operation with simple pipetting, making it accessible to a wide range of users in the laboratory setting.
- The incorporation of illuminated openings enhances the overall user experience and reliability of sample addition and retrieval.
- Maximizes process speed through efficient sensor control, contributing to optimal performance in laboratory operations.
Technical Specifications – Serial Diluter UC
Pricing & What’s Included – Serial Diluter UC
The listed prices are in CHF, excluding VAT, and apply only within Switzerland.
In other countries, prices are determined by our local distribution partners , reflecting local costs such as import duties, logistics, service, and support. Such price differences are standard in international markets and ensure that customers receive local support and fast delivery — services not included in the Swiss pricing for customers outside Switzerland.
Part. No. | Description | Quantity | Price |
160000 | Serial Diluter UC complete incl. 1 x Tubing Set 100010, 1 x Dispensing Nozzle 140011, 1 x Connector Cap GL45 cpl 100020 , 1 x Bag Shell 100030, 1 x Serial Dilution Bags 100101, 1 x Power Adapter ![]() | 1 | 8'045.21 |
160002 | Bagholder UC, converts a Serial Diluter UA into a Serial Diluter UC, incl. 1x Software upgrade, 1 x Power Adapter![]() | 1 | 3'970.68 |
Accessories | |||
Part. No. | Description | Quantity | Price |
100010 | Tubing Set to Serial Diluter incl. two caps for pipette connection and intake hose, fully autoclavable![]() | 1 | 35.66 |
140011 | Dispensing Nozzle UA to Serial Diluter UA/ UC, PEEK and stainless steel, fully autoclavable![]() | 1 | 195.00 |
100013 | Set of Caps and Pipette Connections, 5 x silicone caps for Connector Cap GL 45 cpl and intake hose of Tubing Set, 2 x pipette connections for Tubing Set incl. 2 x PVDF caps.![]() | 1 | 35.66 |
100014 | Syringe Filter, Ø25 mm, to Serial Diluter and Connector Cap GL 45, PTFE membrane, hydrophobic, about eight times autoclavable![]() | 1 | 8.91 |
100015 | Adhesion Gripper to Bag Holder, 4 mm x 370 mm, self-adhesive, with mounting instructions, set of 2 pieces![]() | 1 | 26.74 |
100020 | Connector Cap GL 45 cpl, for the connection of diluent in GL 45 bottles to the Serial Diluter, with PTFE sterile filter 0.2 µm, Ø 25 mm for sterile pressure compensation, with 2 hose connections for 3 mm ID (inner diameter) in polyvinylidene fluoride (PVDF) , incl. 300 mm intake silicone hose, silicone cap, fully autoclavable![]() | 1 | 133.71 |
100021 | Tubing Adapter, set of three, for the connection of diluent with supply of ID (inner diameter) 3 - 7 mm, incl. 60 mm silicone hose ID 6 mm, autoclavable![]() | 1 | 25.63 |
100030 | Bagshell, for storage of filled Serial Dilution Bags, PMMA![]() | 1 | 81.34 |
100031 | Bagshell Rocker, for tilting a Bagshell for sampling out of Homogenizer Bags, PMMA anthracite![]() | 1 | 28.97 |
100032 | Bagshell Panel, for sampling out of Serial Dilution Bags in a Bagshell, PMMA (Picture show a Bagshell and a Bagshell Panel)![]() | 1 | 64.63 |

Serial Diluter UA: The Semiautomatic
Discover the perfect balance between user control and automation with the Semi-Automatic Serial Diluter UA, this model ensures ease of use without compromising efficiency. Mixing the sample and filling the bags is triggered by simply moving the dosing lever to the right. After a short familiarization period with manual operation, you achieve the highest efficiency in creating dilution series – a proven system used by global leaders in food control.
Watch: Serial Diluter UA Demonstration Videos
Key Features of the Serial Diluter UA
- Strikes the perfect balance between user control and automation, allowing users to have precision and flexibility in the dilution process.
- Initiates mixing and bag filling seamlessly with the movement of the dosing lever to the right, ensuring efficiency in the dilution workflow independent of the user’s skill levels.
- Ideal for a range of testing applications, offering versatility in microbiological workflows and adaptable to different laboratory requirements.
- Proven in ISO 17025 accredited laboratories and proficiency testing schemes – trusted performance with no reported issues.
Advantages of Semi-Automated Dilution with UA
- Ensures ease of use without compromising efficiency, simplifying the dilution process and contributing to a seamless laboratory experience.
- The simple lever mechanism facilitates user-friendly operation, allowing even those unfamiliar with advanced automation to efficiently create dilution series.
- With a short familiarization period for manual operation, users can achieve the highest efficiency in creating dilution series, making it a proven system utilized by global leaders in food control.
Technical Specifications – Serial Diluter UA
Pricing & What’s Included – Serial Diluter UA
The listed prices are in CHF, excluding VAT, and apply only within Switzerland.
In other countries, prices are determined by our local distribution partners , reflecting local costs such as import duties, logistics, service, and support. Such price differences are standard in international markets and ensure that customers receive local support and fast delivery — services not included in the Swiss pricing for customers outside Switzerland.
Accessories | |||
Part. No. | Description | Quantity | Price |
100010 | Tubing Set to Serial Diluter incl. two caps for pipette connection and intake hose, fully autoclavable![]() | 1 | 35.66 |
140011 | Dispensing Nozzle UA to Serial Diluter UA, PEEK and stainless steel, fully autoclavable![]() | 1 | 195.00 |
150011 | Dispensing Nozzle UA12 to Serial Diluter UA12, PEEK and stainless steel, fully autoclavable![]() | 1 | 217.29 |
100013 | Set of Caps and Pipette Connections, 5 x silicone caps for Connector Cap GL 45 cpl and intake hose of Tubing Set, 2 x pipette connections for Tubing Set incl. 2 x PVDF caps.![]() | 1 | 35.66 |
100014 | Syringe Filter, Ø25 mm, to Serial Diluter and Connector Cap GL 45, PTFE membrane, hydrophobic, about eight times autoclavable![]() | 1 | 8.91 |
100015 | Adhesion Gripper to Bag Holder, 4 mm x 370 mm, self-adhesive, with mounting instructions, set of 2 pieces![]() | 1 | 26.74 |
100017 | Tubing Set Twin, to Serial Diluter TA & UA, to connect two diluents, incl. 2x clamps, two caps for pipette connection and intake hose, fully autoclavable![]() | 1 | 53.49 |
100020 | Connector Cap GL 45 cpl, for the connection of diluent in GL 45 bottles to the Serial Diluter, with PTFE sterile filter 0.2 µm, Ø 25 mm for sterile pressure compensation, with 2 hose connections for 3 mm ID (inner diameter) in polyvinylidene fluoride (PVDF) , incl. 300 mm intake silicone hose, silicone cap, fully autoclavable![]() | 1 | 133.71 |
100021 | Tubing Adapter, set of three, for the connection of diluent with supply of ID (inner diameter) 3 - 7 mm, incl. 60 mm silicone hose ID 6 mm, autoclavable![]() | 1 | 25.63 |
100030 | Bagshell, for storage of filled Serial Dilution Bags, PMMA![]() | 1 | 81.34 |
100031 | Bagshell Rocker, for tilting a Bagshell for sampling out of Homogenizer Bags, PMMA anthracite![]() | 1 | 28.97 |
100032 | Bagshell Panel, for sampling out of Serial Dilution Bags in a Bagshell, PMMA (Picture show a Bagshell and a Bagshell Panel)![]() | 1 | 64.63 |
«Unthinkable that test tubes are used again in our laboratory for dilutions. »
Alexandra Dostal, Cantonal Laboratory of Thurgau, Frauenfeld, Switzerland
«The Serial Diluter works perfectly and saves us a lot of work. We can no more imagine a step backwards to the dilution tubes. »
Rainer Hofmann, SGS INSTITUT FRESENIUS GMBH, Freiburg, Germany