OMNIS
OMNIS is the universal platform for wet chemical analysis - and beyond. It is modular by design and can be scaled to control potentiometric titrations, volumetric and coulometric Karl Fischer titrations, thermometric titrations, pH and conductivity measurements and – with the OMNIS NIR analyzer – also measurements by near-infrared spectroscopy.
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Omnis has been great upgrade from the Tiamo
Pharmaceutical
Omnis systems have been great upgrade from the Tiamo versions. The new database set up makes everything much simpler too, with centralised user management we are able to align equipment and methods to people easier and the ability to share method during tech transfers with ease is also a big plus.
Review Date: 2 Dec 2025 | Metrohm AG
Some inherent design issues in original design of the titrator,
Acid/Base Titration, pH measurement
The system overall is extremely versatile and programmable. There is an inherent design fault where any liquid spillage (which will almost be guaranteed on occasions) will damage the circuit boards under the towers. We have experienced this a number of times. The green lids on the beakers also split over time. These are expensive enough to not be considered consumables. The other components are proving to be robust in not showing a lot of wear in 5 years.
Review Date: 2 Dec 2025 | Metrohm AG
OMNIS, the best titrators with some flaws
Potentiometric titrations
OMNIS Titrators for volumetric and KF titration in my opinion are reliable instruments. The equipment is centralized on a main tower made of a dosing unit and a magnetic stirring system. On the top of the tower can be connected many different electrods. The back of the tower has enough space for one liter titrant bottle equipped with a connection cap. Every component has a light indicator that signals anomalties (green, yellow, red). To the main tower can be connected in parallel 3 other towers (for example with different titrants) with dosing unit and/or stirrer. The configuration can be setted up as prefered and also a balance (sartorius) can be connected and managed by the software under CFR21 environment. The software is installed on a local computer and it can manage a local or remote database. An automatic backup can now be scheduled thanks to the new release of the software Omnis 4.4.1. Spare parts (tubing, valves, burettes, chips, and so forth) are very expensive. Mantainance is easy and necessary only for aggressive reagents, for example sodium hydroxide. The best characteristic of OMNIS instruments is the possibility to manage many titrations simultaneously. Moreover, an automatic sampler can be installed. One big flaw is the lack of ability to customize reports. Further more, the setting up of parameters (methods, procedures, variabile, ...) can be cumbersome. Automatic calculations are also possible. In conclusion, OMNIS titrators are very reliable and user friendly instruments, even if the setting up can be frustrating. The lack in the report management is a shame. Anyway, for what concern titrations, Merohm is always a guarantee.
Review Date: 26 Nov 2025 | Metrohm AG
Lights and shadows.
Titrations by potentiometry
We use OMNIS to perform titrations by potentiometry and the change from previous Metrohm titration equipment with TIAMO software is very different. On the one hand there is the simultaneity of analysis that the OMNIS system with 4 titrations towers allows us as a positive point to highlight, and on the other hand there is the negative point which is the complexity when adding and/or changing hardware elements and its complex programming of analysis methods.
Review Date: 17 Dec 2024 | Metrohm AG
Happy with the product and service
KF Titrando 851
I have had this kit for the last three years in our lab and it has been very handy and user-friendly. We upgraded it to having an oven processor with an autosampler for solid samples and we find it very easy to use. The software is also very user-friendly. I find after-sales service and respond to requests very quick. All in all it's good value for money.
Review Date: 11 Dec 2024 | Metrohm AG
Faster, easier & more efficient
We use the Omnis titrator to test TPA and TAD content
The OMNIS titrator is easy to use, stable and accurate titration. And help to solve the confusing questions.
Review Date: 11 Dec 2024 | Metrohm AG
Strong software, equipment and service
API water test
The water test with the Omnis software station is very strong. And the service is great.
Review Date: 10 Dec 2024 | Metrohm AG
Accurate, fast
New energy materials
I just changed my jobs last year, from a third party testing company to a new energy industry. Both companies were users of Metrohm. The auto titrator is a highly efficient and reliable instrument that excels in precision measurements during titration processes. Its user-friendly interface and advanced features make it an ideal choice for laboratories requiring accurate analysis. The device offers excellent stability and a fast response time, ensuring that results are both timely and trustworthy. Additionally, its compatibility with various electrodes allows for versatility in different applications, ranging from educational purposes to industrial quality control. Overall, I strongly would like to recommend the instruments to my peers.
Review Date: 10 Dec 2024 | Metrohm AG
Fast & accurate, easy to use
We use it for the study of organic and inorganic reference materials
The analysis results are fast and accurate, the method is easy to establish, and the instrument maintenance is simple.
Review Date: 10 Dec 2024 | Metrohm AG
Very good plataform!
Laboratory
It's a practical, useful and really intuitive platform. It's been easier to teach new trainees and technicians how to use the equipment. So far it's working really well!
Review Date: 9 Dec 2024 | Metrohm AG
OMNIS can be fully automated with the OMNIS Sample Robot. The capacity of this modular x-y-z platform can be expanded from size S to M to L and can be used to accommodate and determine a maximum of 500 liquid samples completely unattended.
OMNIS puts the focus on the sample. This means that results produced by different technologies on the platform (e.g., Karl Fischer titration and near-infrared spectroscopy) do not have to be aggregated manually but are shown for each sample at a single glance.
OMNIS is available for stand-alone as well as client/server installations and connects up to 500 clients in a network.It complies with highest data and cyber security standards and meets the requirements for software in the regulated environment (FDA 21 CFR Part 11, EudraLex Volume 2, Annex 11).
