Analogue refractometer - ORA 1GG

The KERN ORA-1GG is a handy and robust refractometer with a refractive index measuring range for the determination of jewellery. It enables simple, efficient and durable use in everyday life. The manual conversion effort is avoided by several selectable scales and eliminates application errors. These scales are specially developed, precisely calculated and tested. They are also characterised by very thin and clear lines. This refractometer also comes with a beautiful leather case.

The gemstone refractometer is characterised by its user-friendliness and offers a quick and reliable method for checking gemstones. The professional device is equipped with a special LED, which provides exact illumination and enables precise measurement. The robust housing ensures a long service life and high resistance to daily use.

Properties:
• With polarisation filter
• Maintenance-free
• Adjustable eyepiece
• For different visual acuities

Scope of delivery:
Refractometer, storage box, calibration solution, pipette, cleaning cloth, leather pouch

Technical data:
Scale - Display type: Analogue
Area of application: Gemmology/gemstones
Measuring method: Total reflection
Measuring temperature (°C): 10 °C - 30 °C
Graduation Refractive index: 0.01 nD
Dimensions (W x D x H): 137×70×32 mm
Weight: 400g

• Refractometer Manual