Extreme NIR Journey

See how ProxiMate masters tough food applications.


Hi I'm Antony

BUCHI claims that their new NIR instrument is Robust, Flexible and easy to use. I took it on a road trip to test these claims. Watch the video to see how I got on.

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Key Benefits


Extreme Robustness:​ waterproof, stainless steel housing​

ProxiMate is designed to work effectively in the most adverse conditions. Measurements are unaffected by temperature or humidity fluctuations.The instrument can be placed;where results matter: right next to the production line. With IP 69 ingress protection ProxiMate can be pressure-hosed down to meet even the most stringent hygiene standards.


applicative fit

Applicative fit: thanks to many ready-to-use precalibrations​

Our applications chemists have developed many ready-to-use precalibrations for the main food and feed industries. Whether you are analyzing cheese, milk powder or minced meat: Setting ProxiMate up to get accurate results requires minimal effort and can be done by everybody.​


Simple operation: with the intuitive touch- screen user interface​

Thanks to the intuitive, modern touchscreen interface, ProxiMate operation has been optimized to make it logical, easy and straight- forward. The touchscreen follows the proven interface logic of other BUCHI products, making it easy for everybody to setup applications, test samples or set preferences.​

ProxiMate™ NIR

Optimized Analysis for the Food & Feed Industry

ProxiMate is a robust, compact and easy to use at-line NIR instrument for the food and feed industry. It reduces downtime in production and provides fast quality control of batch samples. The intuitive user interface allows operation by everybody and a wide selection of precalibration packages make it suitable for all applications.



Improving Your Process and Quality Control

IP 69
Extreme Robustness
Down and Up View
Magnetic drive
glass free 2
Glass free Environment
Sample type flexibility
Visible Detector Option

Suitable Applications

Edible Oil

Product Information



Weight: 23 kg

Protection rating: IP69

Power consumption: 60 W

Frequency: 50 / 60 Hz

Dimensions (W x D x H): 260 x 435 x 500 mm

Wavelength range NIR: 900 - 1700 nm

Resolution NIR: 7.0 nm

Wavelength range VIS: 400 - 900 nm

Resolution VIS: 10 nm

Measurement time: 15 seconds (user configurable)

Ambient conditions

Max. altitude above sea level: 2000 m

Ambient temperature: 5 - 40 °C (25 °C)

Maximum relative humidity: 80 % for temperatures up to 31 °C

Storage temperature: max. 45 °C



Automatic Results Storage

NIRWise™ software is based on a Microsoft SQL database. All results are automatically stored in the database and can easily be backed up and transferred to other instruments. Never lose your precious results!


Customized Reporting

Report generation is easy with NIRWise™. Sample and batch reports are easily customized to end-user requirements using the report configuration tool. Comply easily with your documentation standards thanks to ProxiMate’s customizable reports.



Develop new and extend existing calibrations easily. Select the samples you want to include, then AutoCal advance algorithms do the rest. No expertise required.


Standard Sample Cups

Standard Sample Cups

Choose from a range of cups, best suited for your application. Options include toughened glass, plastic and high performance.

Large sample cups

Large sample cups

Enables reduction in sampling error with inhomogeneous samples.

Transflectance cover

Transflectance cover

Use with a petri-dish to make transflectance measurements of liquids. Path-length is 0.3 mm.

Service & Training


Worldwide Presence

Our worldwide network of 18 subsidiaries and support centers as well as over 70 qualified distribution partners ensure proximity where ever you are. Factory trained service engineers and  application specialists make sure your ProxiMate remains up and running at all times.

Find your local partner


Training on request

Customer training courses either on-site, at the local BUCHI subsidiary or at the global headquarter in Flawil (Switzerland) are available to train operators and people responsible for instrumentation to learn all there is to know about generating great analytical results with ProxiMate.  BUCHI training center, located in Flawil (Switzerland), supports customer success by offering a wide range of courses. All trainings cover basic theory, hands on, trouble shooting and process optimization.  Do you have a specific questions related to any training topics or are you interested in attending training in your country? 

Send your request

For more information