Discover precision with the ORA 1SB Analogue Refractometer. Ideal for labs and industry, this robust, maintenance-free device features multiple scales for accurate refractive index measurements. Its user-friendly design, adjustable eyepiece, and low-tolerance optical system ensure reliable results. Perfect for food industry, restaurants, and aquaristics. Includes storage box, calibration solution, pipette, screwdriver, and cleaning cloth. Optional accessories available.