VTest Hand Hold LH-T32 Refractometer Brix 0-32% with case
- Brix refractometer
- A traditional handheld refractometer is an analog instrument for measuring a liquid's refractive index. It works on the critical angle principle by which lenses and prisms project a shadow line onto a small glass reticle inside the instrument, which is then viewed by the user through a magnifying eyepiece.
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