refractometer

　

(Digital Refractometer, Hand-held Refractometer, Hand Held Refractometer, Illumination Hand Held Refractometer, Abbe Refractometer, Bench-top Refractometer, Gem Refractometer, Gemological Refractometer)

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gem refractometer / gemological refractometer

Product Name:
 RHG600
Product Explains

  This model is Gemological refractometer. It can be used for measuring Refractive index of Gemstone or Ore. The index of double refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.

RHG600 is for high level/professional using, it is quicker opreation/action and then quicker reading display than model RHG700 and RHG800.

RHG600 is equipped with torch in standard delivery. but reflective index oil 1.79RI is not included. If you need, you have to purchase it separately.
Scale range:1.30-1.81 RI
Minimum Division: 0.01RI

　

Product Name:

 RHG600I
Product Explains

  This model is Gemological Refractometer. It can be used for measuring Refractive index of Gemstone or Ore. The index of double refraction can be also      measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
For more convenient using, this item have built-in LED light source, the LED can at least offer 10000hours working! And also, the special design offers other way to get the light source if the built-in light source can't work, there is a light entrance in the back side and the filter for light source also built-in. A small torch as outside light source also included without any extra cost!

Specification:
 Measuring Range: 1.30 - 1.81 RI
Minimum Graduation: (RI) 0.01 RI
Illumination: Internal Light Source with momentary/power switch
Dimension: 125mm x 70mm x 4mm
Scale Division : 0.01 ND
Weight: 0.6 kg
Filter: Polarizing filter
Power: 4.5V button type batteries(3pcs)
　　

　

Product Name:
 RHG700
Product Explains

  The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive index. Besides, index of double of refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
The gemological refractometer is characterized by small volume and less weight. It is easy to carry. It is popular instrument used on jewelry market. The model RHG-700 is equipped with a built-in light source. It is more convenient to test!

Noted: Reflective index oil 1.79RI is not included in standard delivery. If you need, you have to purchase it separately.
Specification:
Range: 1.30-1.81RI
Minimum Division: 0.01
　

Product Name:
 RHG800
Product Explains

  The kinds of gem can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive index. Besides, index of double of refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
RHG800 is characterized by small volume and less weight. It is easy to carry. It is popular instrument used on jewelry market

RHG800 is equipped with torch in standard delivery. but reflective index oil 1.79RI is not included. If you need, you have to purchase it separately.
Specification:
Range: 1.30-1.81RI
Minimum Division: 0.01
Accuracy: ＼0.02
Size: 115 x 35 x 63mm

Product Name:
 RHG900
Product Explains
  This model can be precisely determined in accordance with the measured value of refractive index because every kind of gem has its inherent refractive index. Besides, index of double of refraction can be also measured. Through the parameter you can judge whether a gem is uniaxial or biaxial photopositive or photonegative.
The gemological refractometer is characterized by small volume and less weight. It is easy to carry. It is popular instrument used on jewelry market. This RHG900 is a professional model for issuing the certificate for gemstones. It is most popular used om labs and jewellery insitutes. Our RHG-900 is the first choice for issuing certificates for gemstones!
RHG900 is equipped with torch in standard delivery, but reflective index oil 1.79RI is not included. If you need, you have to purchase it separately.
Specification:
Range: 1.30-1.81RI
Minimum Division: 0.01 RI
Accuracy: ＼0.02 RI

　

Product Name: Refractive index oil for gem refractometer RHG600, 700, 800, 900. Without the refractive index oil, the traditional gem refractometer can't test any gemstones!
Specification:
1.79 +/-0.01RI at 28'C  3ml/bottle(10g )

　

Product Name:
 Digital Gem Refrectometer DGR800
Product Explains
  The Digital Gem Refractometer is a nice optical instrument which will give a reading of the refractive index of a clean, flat, well-polished facet to reproducibility of 0.007RI index units. With covering the full range from 1.30 to 2.99RI, It is an ideal instrument to identify the gem stones. The importance is that it can test the gem stones without requiring ANY messy, damaging contact oil.
Specification:
RI Test Range:1.30 to 2.99RI
Power Input: 9V Battery
Work Tempreature: 25-28¨C

For other Gem Instrument / Gemological Instrument, please click here gem / gemological instrument

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( If you need user manual, E-catalogue or picture without watermark for above meters, please ask for at: xiushunjie@gmail.com )