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(Automatically applied @checkout when purchased with optional Pal-Jordan or PAL-Case)


All Refractometers operate using the Refractive Index test principle and method; converted for a specific usage. 

The PAL-RI is just a straight-forward Refractive Index tester for determining the concentration of industrial fluids, cutting compounds, oil etc.


The PAL-RI encompasses all of the same great features of the Atago "PAL" series. It has easy one-touch operation. Simply place some droplets of your sample on the prism and press the start key.  

The Refractive Index (R.I.) measurement (resolution 0.0001) and Temperature °C is shown on the digital display screen within 3 seconds. The PAL-RI is conveniently operated by 2 X AAA batteries which provide over 10,000 measurements.

Once finished, you can safely wash the PAL-RI under running water for simple clean up.


  • Wide Range: 1.3306 to 1.5284 R.I.
  • Measurement Accuracy: ±0.0003 R.I.
  • Display Resolution: 0.0001 R.I.
  • IP65 dust tight and protected against water jets
  • Sample volume 0.3ml
  • Quick 3 second measurement time
  • Compact and lightweight for complete portability
  • Zero calibration with water


Model # 3850
Brand Atago

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