Refractometers

A wide range of refractometer models and configurations for measuring refractive index in any application.

J27 Portable

The J27 overcomes the compromises in performance usually found in portable refractometers by providing laboratory level accuracy.
Read more…

J47

The J47 features a single flat measurement surface, temperature correction and one button measurement capability.
Read more…

J57 VT

Available in high accuracy and wide range configuration, these refractometers are designed for food quality testing .
Read more…

J157 Plus

The J157 Plus was developed with users from various countries and industries, resulting in a measurement range, and accuracy for the most demanding applications.
Read more…

J257

A highly versatile automatic refractometer with an extended refractive index measurement range and electronic cooling and heating.
Read more…

J357

A research grade refractometer with an extra wide measurement range able to make RI and BRIX measurements at up to 100 °C.
Read more…

J457

A top of the range refractometer with smart measure technology, he J457 is available in laboratory, wall mount and factory configuration.
Read more…

J457 CLR

Designed specifically for contact lens manufacturers refractometers the J457 CLR measures hard and soft lenses and saline solutions.
Read more…

$rudolph research refractometer$

$rudolph research analytical refractometer$