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UATR Accessory for Spectrum One, KRS-5 (1 Reflection)

The Universal ATR is an excellent general accessory for the analysis of solids and liquids, producing high quality spectra through the use of a pressure arm, allowing for good contact of the sample with the diamond/ZnSe crystal.

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Part Number Material
L1250050 Diamond/ZnSe (1 Reflection)
L1250051 Diamond/ZnSe (3 Reflection)
L1250052 Diamond/ZnSe (9 Reflection)
L1250053 KRS-5 (1 Reflection)
L1250054 Ge (1 Reflection)
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The Universal ATR includes a pressure arm with a force indicator to ensure first-class sample-to-sample and operator-to-operator reproducibility of measurements. The accessory is automatically recognized when it is placed in the sample compartment, the optics are immediately optimized, and the system is ready to be used without any additional alignment.

Features of the UATR include:

  • Automatic recognition - as soon as the accessory is placed in the sample compartment the Universal ATR module is recognized along with its unique number, and system suitability checks can be carried out.
  • Zero alignment, zero set-up - once locked into the instrument, the system is ready to be used without any alignment necessary.
  • Integration - the plug-in module design means the accessory becomes an integral part of the instrument once installed.
  • Live spectral preview mode and force readout in Spectrum software to ensure good contact with the crystal before scanning.


Material KRS-5 (1 Reflection)
Model Compatible With Spectrum 65, Spectrum 400, Spectrum One, Spectrum 100
Product Group UATR Accessory
Technology Type ATR


Material Type of Plate Safe pH Utility
Zinc Selenide (ZnSe) Flat or Trough 5-9
  • General purpose material
  • Do not use with complexing agents, strong acids, bases, or oxidizers
Germanium (Ge) Flat or Trough 1-14
  • Ideal for analyzing high refractive index materials, or strongly absorbing samples
  • Do not use with acids, oxidizers, or halogens
Thallium Bromoiodide (KRS-5) Flat or Trough 5-8
  • Do not use with alcohols, strong acids, or bases