Atago Malaysia | Refractometer MASTER-RI | Refractive Index 1.435-1.520
- MASTER-RI is refractive-index model (measurement range : RI 1.435 to 1.520) of the MASTER-Series.
- MASTER-RI can be used for measuring the refractive index of vegetable oil, petroleum, oil slicks, etc.
*Calibration with the Standard liquid LK (RE-99010)
This new type of Hand-held Refractometer MASTER functions such as Easy-to-Read, Easy-to-Hold, Smooth sampling, Easy disposal of sample from the edge, the improvement of hygiene aspect by employing the new type of grip, and well-balanced structure, emphasis is also placed on its design, well exemplified by the streamlined body and the strong grip with rich texture.
Features

![]() | Protection class of the MASTER-α, H series are IP65. You can rinse off the sample by running water on the prism. The design allows the user to easily wipe off the sample. | ![]() | Sample size 2-3drops. |
![]() | The Automatic Temperature Compensation function of the MASTER-α, T, H series enables you to take measurement readings regardless of the ambient temperature. | ![]() | Automatic Sample Distribution (ASD) New prism housing design allows for sample to cover the prism without having to lift the day-light plate! This design will allow forfast & easy measurements. |
![]() | Convenient Storage case. |
The MASTER series has been improved with a clearer, brighter field of view and made even easier to carry.

- Compact Redesign of the MASTER Series (from October 2014)
- The MASTER series has been improved with a clearer, brighter field of view and made even easier to carry.
- These improvements in our newly compact redesigned models are especially clear when taking measurements in dim lighting, or measuring darkly-colored samples. Even when measuring milky-colored, opaque, or oily samples, the boundary line remains crisp and clear.
Note: The size of the scale has changed. It may take some time to re-adjust to the new field of view when reading measurements.
Options
- Standard liquid LK : RE-99010
- Daylight plate for small volume samplings : RE-2311-58M
* Calibration Certificate : Contact us for details.
Parts
- Daylight plate : RE-2315-60M
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