OMNISEC GPC/SEC System by Malvern Panalytical

Manufacturer Malvern Panalytical  |  Available Worldwide
4.3
/
5.0
  |  13 reviews

The world’s most advanced multi-detector GPC/SEC system


OMNISEC GPC/SEC System by Malvern Panalytical product image
OMNISEC GPC/SEC System
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Average Rating: 4.3
13 Scientists have reviewed this product

5 out of 5
Ease of use
4 out of 5
After sales service
4 out of 5
Value for money


  • Status:

    Reviewer
  • Member since: 2021

  • Organization: Lund University



  • Ease of use
    5 out of 5
    After sales service
    3 out of 5
    Value for money
    4 out of 5
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Great machine, excellent tech support, but poor experience with the sales unit
Rating: 4.0

  • Application Area: Polymer Characterization

"We use the OmniSEC system to analyze the molecular weight of various types of polymers, such as polyesters, polystyrenes and polyurethanes with molecular weight ranging from a few thousands up to a million. The machine has an intuitive user interface, and produces good, reliable and reproducible results. The columns are easily accessible which makes routine maintenance easy, and the Malvern tech support has always been ready to assist us whenever necessary. However, we have had some problems with the Malvern sales unit, as sometimes the delivery times for consumables has been delayed, invoices sent to the wrong places and lack of communication (which I think is especially crucial when things go wrong), and this is why I only give 3/5 for after sales care."

Review date: 02 Nov 2021 | OMNISEC GPC/SEC System

Manufacturer's Response

Many thanks for you feedback Niklas. It is great to hear that the OMNISEC is producing good and reliable data for your broad range of polymers. It is disappointing to hear about your experiences in the ordering of consumables, we will be reviewing your feedback and experiences to see how we can improve in the future.
  • Status:

    Reviewer

  • Member since: 2021

  • Organization: Vertellus



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    5 out of 5
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Reliable instrument and easy to work with.
Rating: 5.0

  • Application Area:Polymer

"Have been using the instrument for molecular weight determination of production and new material. Following the recommended procedures, instrument functions very well. Care must be taken not to introduce particles above 2um, and degassing of solvent is important. When switching between solvents specially aqueous and organic, taking extra time to go from low flow (0.1 mL/min) to higher flow rate (1 mL/min) eliminates many difficulties."

Review date: 15 Oct 2021 | OMNISEC GPC/SEC System

Manufacturer's Response

Many thanks for your review Mohammad, it is great to hear things are going well.
  • Status:

    Advanced Reviewer

  • Member since: 2021

  • Organization: PS



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    5 out of 5
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GPC with triple detector
Rating: 5.0

  • Application Area:Molecular weight of polymers

"Easy maintenance, especially for those familiar with the Varian system. However, warranty plan is advised for purchase - we had an issue with pump (leaking) within the first year and with a laser (LS) in the 3rd year (was replaced, very costly). Software is quite intuitive."

Review date: 17 Sep 2021 | OMNISEC GPC/SEC System

Manufacturer's Response

Many thanks for your feedback on you OMNISEC system. We will be sure to feedback to the development team the issues you experienced. It is great to hear that you found the software intuitive.
  • Status:

    Reviewer

  • Member since: 2021

  • Organization: Masaryk University



  • Ease of use
    4 out of 5
    After sales service
    4 out of 5
    Value for money
    4 out of 5
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Good machine with nice data and potential for slight improvements in the SW.
Rating: 4.0

  • Application Area:Protein characterization

"System is generally rather easy to use. The SW is helpful, however more easy extraction of all collected data would be appreciated - reports in pdf are nice but exporting of data itself is not straightforward. The basic tools e.g. wrenches for exchange of column and filters, could be included with the system upon purchase - their price is minimal compared to the whole system, but is is annoying to look for the right ones in local shops. "Baseline monitoring" of longer than 4 hrs would be sometimes appreciated - e.g. to monitor the system overnight if needed."

Review date: 14 Aug 2021 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for your feedback. We at Malvern Panalytical appreciate hearing how we can make the user experience for our instruments even better and so these suggestions have been fed back to the team.
  • Status:

    Reviewer

  • Member since: 2021

  • Organization: Colorcon, Inc.



  • Ease of use
    4 out of 5
    After sales service
    5 out of 5
    Value for money
    4 out of 5
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A great addition to our lab capabilities.
Rating: 4.3

  • Application Area:GPC analysis of polymers

"As expected, the system has a learning curve with the use of multiple detectors in series. Support has been great and has allowed us to learn the technique and be able to use and care for the instrument more effectively. Overall, the system is reliable and we are confident that it will provide us with accurate and reliable results."

Review date: 13 Aug 2021 | OMNISEC GPC/SEC System

Manufacturer's Response

Many thanks for your feedback. It is always exciting to learn about a new instrument and I’m pleased you engaged with our Support colleagues to ensure that you are well placed to get the best quality data from your system both now and for many years to come.
  • Status:

    Reviewer

  • Member since: 2020

  • Organization: Macdermid



  • Ease of use
    3 out of 5
    After sales service
    3 out of 5
    Value for money
    2 out of 5
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The instrument is not suitable for our applications.
Rating: 2.7

  • Application Area:Water soluble synthetic polymers

"We have had a great deal of problems with the instrument. Electronic and application based. An earlier model of this line performs the analyses on our products with no problems as evidenced by the fact that we have been getting accurate data for quite some time yet using the same conditions and column. We find that the lenses on the light scattering detector cloud and we also have issues with baseline irregularity. We have found that the staff of Malvern are much more familiar with organic solvent systems than aqueous as evidenced by the lack of practical assistance in solving our issues."

Review date: 17 Apr 2020 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for your review. As a business we have extensive experience working with both aqueous and organic systems in a wide range of application areas. I am sorry to hear that our service has not met your expectations. I will engage with our local support team about this and see what we can learn from your feedback.
  • Status:

    Advanced Reviewer

  • Member since: 2016

  • Organization: MDJD Consulting



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    5 out of 5
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Awesome machine!
Rating: 5.0

  • Application Area:To relate molecular properties of polymers to bulk characteristics

"OMNISEC REVEAL is easy to use with an intuitive user interface."

Review date: 10 Feb 2020 | OMNISEC GPC/SEC System

Manufacturer's Response

Thank you for your review, we are glad to hear that the system is easy to use.
  • Status:

    Reviewer

  • Member since: 2017

  • Organization: SOLVAY SPECIALITY POLYMER



  • Ease of use
    5 out of 5
    After sales service
    2 out of 5
    Value for money
    3 out of 5
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Worth buying.
Rating: 3.3

  • Application Area:Polymer molecular weight and branching study

"Easy to operate and compatible with corrosive solvent. Quick analysis with reproducible data."

Review date: 18 Jun 2019 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for the positive feedback on the system. I’m sorry you have not had a great after sales experience. Please feel free to feedback any problems you have experienced and we will look at making improvements in the future.
  • Status:

    Reviewer

  • Member since: 2019

  • Organization: The Chemours Company



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    4 out of 5
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User-friendly, good for Mw - less accurate for Mn.
Rating: 4.7

  • Application Area:Size exclusion chromatography

"The OmniSEC system is great for running all types of samples for absolute MW.The support from the Malvern team is also great as we run into issues like temperature control problems, method development challenges, and issues in chromatography. "

Review date: 26 Mar 2019 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for the feedback on the system and the Malvern support.
  • Status:

    Reviewer

  • Member since: 2014

  • Organization: The Dow Chemical Company



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    4 out of 5
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One of the best GPC/SEC instrument/software packages currently available.
Rating: 4.7

  • Application Area:Polymer GPC

"Very nice integrated GPC package. Pump system isn't the absolute most stable on the market, but is much better than previous generations. Unless you want to piece together your instrument yourself from multiple manufacturers this is quite good. Detection array is likely one of or the best for GPC currently on the market. The software is very user friendly and hides much of the rigorous calculations behind the scenes (for better or worse). It's great for routine GPC/SEC characterization (99% of what everyone does). The software still has some room to grow in enabling advanced operation/control to do custom runs/calculations. Overall it is a great package. Malvern also backs it up with great customer service and access to world experts in GPC/SEC if you need it."

Review date: 09 Jan 2018 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks you for your review, we are glad to see that this product is filling your needs, else don’t hesitate to contact us.


  • Status:

    Reviewer

  • Member since: 2015

  • Organization: Syngenta



  • Ease of use
    5 out of 5
    After sales service
    5 out of 5
    Value for money
    5 out of 5
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Satisfied OMNISEC user
Rating: 5.0

  • Application Area:Surfactants and Polymers

"I absolutely love the new OMNISEC system. As a user of the older GPC MAX and TDA 305 Sseries, I am very impressed by all the upgrades incorporated into this new system. Primarily, I am happy with the new user friendly software, sensitivity and external column manager ( quicker column changes). Since we purchased OMNISEC, we’re able to deliver more sensitive data, so our ability to support decisions has been directly enhanced. In an analytical lab like ours that operates so many techniques with relatively few people, improving productivity is a major gain."

Review date: 09 Jan 2018 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for the positive feedback. It is great that you are finding the software user friendly and that the enhanced sensitivity is offering you real value.
  • Status:

    Reviewer

  • Member since: 2018

  • Organization: University of Georgia



  • Ease of use
    5 out of 5
    After sales service
    4 out of 5
    Value for money
    5 out of 5
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Great results, great instrument, software could use a little improvement.
Rating: 4.7

  • Application Area:Analyze polymer molecular weight and composition

"The triple detection GPC system we have in our lab is very easy to use. I love the autosampler and the automation associated with purging and switching things out. However, the software has some room for improvement. It would be nice if data files and/or method files could be deleted. I have found multiple times I created an incorrect method file or have data files I don't want remaining on someone else's computer and I cannot delete them. That is really my only concern with the equipment. Aside from that, the GPC itself runs beautifully, the software is very easy to use, and the customer service is wonderful!"

Review date: 09 Jan 2018 | OMNISEC GPC/SEC System

Manufacturer's Response

Glad that you love the autosampler and the automation system and that our customer support is so helpful. Our development team will take your review into account for future improvement of the software
  • Status:

    Reviewer

  • Member since: 2017

  • Organization: The University of Alabama



  • Ease of use
    4 out of 5
    After sales service
    5 out of 5
    Value for money
    3 out of 5
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Good insturment, software has some issues, customer service is great
Rating: 4.0

  • Application Area:Novel polymer characterization

"The instrument itself is easy to upkeep. However, the software especially the sample queue is buggy. The customer service is great with the company however and they are always ready to help."

Review date: 08 Mar 2017 | OMNISEC GPC/SEC System

Manufacturer's Response

Thanks for the feedback. Apologies for the software issues, but please feel free to let us know any problems you have and we can make sure they are fixed in future releases. And as ever, don’t hesitate to reach out if you have any questions or need any support.

The world’s most advanced multi-detector GPC/SEC system.

Malvern Panalytical’s OMNISEC is a complete Gel Permeation Chromatography (GPC) / Size Exclusion Chromatography (SEC) solution consisting of systems, detectors and software. It includes OMNISEC RESOLVE, the integrated separations module, OMNISEC REVEAL, the integrated multi-detector module and OMNISEC software for advanced GPC/SEC analysis. OMNISEC RESOLVE combines an integrated pump, degasser, autosampler and column oven in a single advanced separations unit. OMNISEC REVEAL is the most advanced integrated GPC/SEC multi-detector available, incorporating refractive index, UV/Vis absorbance, light scattering and intrinsic viscosity detectors.

Features:

  • Optimized isocratic pump and improved degassing efficiency in RESOLVE offers unrivalled flow rate stability to reduce baseline noise in all detectors.
  • Integrated column oven in RESOLVE maintains a stable separation temperature, all the way up to 65°C.
  • Autosampler with zero injection volume overhead mode prevents wastage of your most precious samples, and can cool fragile samples to 4°C to protect them from aggregation and degradation.
  • OMNISEC REVEAL's light scattering detector is the most sensitive available enabling measurements of molecular weights as low as 200 Da and injection masses as low as 100 ng.
  • The self-balancing differential viscometer in OMNISEC REVEAL has user exchangeable capillaries to make it more robust and usable than any other available.
  • Combine data from multiple detectors to calculate hydrodynamic radius (Rh), radius of gyration (Rg), and Mark-Houwink parameters.

Product Overview

OMNISEC GPC/SEC System by Malvern Panalytical product image

OMNISEC GPC/SEC System

Manufacturer Malvern Panalytical  |  Available Worldwide

4.3 / 5.0 | 13 reviews