The J457 is an advanced laboratory refractometer. It is available in 3 configurations for installation in different environments. All configurations come with Smart Measure technology that virtually ensures accurate refractive index (RI) and BRIX measurements. Smart Measure automatically detects when the prism is improperly cleaned, loaded with insufficient sample or if the instrument is improperly calibrated.
All models come with a digital touch screen and our dual temperature control system utilizing Peltier technology.