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UV Vis Autosampler

Improving Speed, Consistency and Compliance

An autosampler improves speed and brings consistency and compliance to your spectroscopic workflows. Choose between the Flex, Pro, and Max UV Vis InMotion™ autosampler bases and combine them with the InMotion sample rack that fits your throughput and sample size needs. Completed with a UV Vis sample kit your system becomes the perfect fit for your laboratory.

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UV Vis Automation Through Tailored Systems:

UV Vis Base Kit

UV Vis Base Kit

Designed to maximize throughput in minimal space, InMotion™ autosampler increase productivity without sacrificing laboratory bench space. The Flex series offers simple automation with one row of samples. The Pro and Max offer multiple rows thanks to the extending arm and can automate up to 303 samples.

InMotion Sample Rack

InMotion Sample Rack

Choose between the Flex, Pro and Max UV Vis InMotion™ autosampler bases and combine it with the sample rack that fits your throughput and sample size needs. Complete with a UV Vis sample kit, your system becomes the perfect fit for your sample throughput.

UV Vis Sample Kits

UV Vis Sample Kit

Choose between dedicated UV Vis sample kits for flow cell or probe measurements for sample sizes 25 to 100 mL. All necessary tubings and parts are provided in the dedicated kits.

UV Vis Automation Accessories


With the PowerShower™ option the whole system can be thoroughly cleaned in-between samples. The cleaning procedure is programmed in the method and does not require any manual interaction. Adding an additional compact stirrer can help to homogenize your samples.

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We support and service your measurement equipment through its entire life-cycle, from installation to preventive maintenance and calibration to equipment repair.

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Why automate spectroscopic UV Vis workflows?

Automated spectroscopy is more than just adding a sample pump to fill cuvettes to save time. While the main focus of automation is on creating ease around often-repeated steps and routine analytical tasks, automation can also significantly improve adherence to the UV Vis analytical workflow. Additionally, you can:

  • Eliminate transcription errors
  • Reduce measurement uncertainty
  • Enhance repeatability
  • And improve data security

All of these improvements lead to results that are more highly reliable and trustworthy while also helping to reduce rework and cost-per-analysis.

Which UV Vis applications can be automated with an autosampler?

Fixed wavelength measurements
Fixed wavelength measurements and full scans of UV Vis spectra are the simplest UV Vis applications. These can generally be automated with all types of automated sampling.

Quantitative determination
InMotion™ autosamplers are especially suited to quantitative applications that require the determination of a calibration curve before sample analysis, as they allow the measurement of calibration standards and samples in one run.

Temperature control
Applications that require automation of a constant temperature control use either a CuveT, a CuvetteChanger, or an InMotion™ autosampler, depending on the number of samples. If an InMotion™ autosampler is used, it is advisable to use immersion probes instead of flow cells. Samples are thermostated on the autosampler rack with measurements done directly in the beakers. With flow cells, samples must be transferred via noninsulated tubes, causing unwanted temperature fluctuations. Applications that require frequent and precise temperature changes should be automated using a CuveT thermostat unit, as it offers the most precise control of available options.

Which sample amount can be automated with an autosampler?

When working with an autosampler, the sample amount available should exceed 10 mL. When working with pumps and autosamplers, more sample is required than when working with cuvettes (e.g., CuvetteChanger). A sample is transferred via tubes to the flow cell, and, therefore tube volume must be filled as well. Additionally, the flow cell must be flushed with the new sample to push out the previous one. If only a small volume of sample is available for analysis (less than 10 mL), then a CuvetteChanger might be the better automation option.

Can viscous samples be automated by an UV Vis autosampler?

Slightly viscous samples (approximately 20–50 mPas) are not a problem for peristaltic pumps, but as viscosity increases, samples become more difficult to transfer. At the same time, the cleaning and rinsing of flow cells becomes increasingly difficult. This may make CuvetteChanger a better option.

Can hazardous samples be automated by an UV Vis autosampler?

When samples are hazardous or otherwise of safety concern to the operator, sipper pumps and autosamplers are ideal for minimizing operator exposure, as they require fewer interactions. When working with sipper pumps, the operator only needs to insert the aspiration tube in the sample and the pump will do the rest. The risk of sample spillage or accidental contact is reduced significantly. The operator only needs to handle the samples once when loading the rack. After that, the system will take care of transferring, measuring and disposing of samples. Additionally, thanks to a small footprint, InMotion autosamplers can be placed in fume hoods to protect operators further.

Which samples concentrations can be automated by an UV Vis autosampler?

Sipper pumps and InMotion™ autosamplers allow optical path lengths from 1 to 50 mm. CuvetteChangers and CuveT allow the use of optical path lengths of 10 mm or shorter, provided the outer dimensions are 12.5 by 12.5 mm.