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KERN ORA 1GG | Analogue Refractometer for Jewellery ORA 1GG | nD 1.30 - 1.81, 0.01 nD
The ORA 1GG is a handheld analogue refractometer for gemmology and jewellery, measuring refractive index from 1.30 nD to 1.81 nD with a readout of 0.01 nD. It works by total reflection and needs no maintenance.
Key features
- Measurement temperature 10 °C - 30 °C
- Adjustable eyepiece for different eyesight
- Delivery includes storage box, calibration block, contact liquid, pipette, cleaning cloth and leather bag
- Dimensions 137×70×32 mm
- Specifications
- Downloads
| Part Number | ORA 1GG |
| Brand | KERN |
| Refractometer type | Handheld refractometer |
| Scale - Display type | Analogue |
| Area of application | Gemmology/Jewellery |
| Measuring method | Total reflection |
| Measurement temperature (°C) | 10 °C – 30 °C |
| Dimension (W×D×H) | 137×70×32 mm |
| Scale for Refractive index | Yes |
| Measuring range refractive index | 1.30 nD – 1.81 nD |
| Readout refractive index | 0.01 nD |
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