How to Troubleshoot Abbe Refractometers
Release time:
2023-03-16
Possible reasons: ①The eyepiece and related optical parts have dust and oil stains; ②The sample is not full of the prism surface; ③The gap between the upper and lower prisms is too large; ④The position of the achromatic prism is not diagonal; ⑤The surface of the refracting prism is rough or corroded.
1. The critical demarcation line is not clear
Possible reasons: ①The eyepiece and related optical parts have dust and oil stains; ②The sample is not full of the prism surface; ③The gap between the upper and lower prisms is too large; ④The position of the achromatic prism is not diagonal; ⑤The surface of the refracting prism is rough or corroded.
Remedy: ①Clean up the relevant optical parts; ②add some samples to fill the surface of the prism; ③adjust the eccentricity of the four screws and the rotating shaft on the light-incoming prism, and re-rotate the dispersion adjustment handwheel in Figure 7 to adjust Put the prism to a proper position; ④Send it to a professional repairman or manufacturer to replace the prism.
2. The reading line cannot be seen clearly
Possible reasons: the eyepiece, related optics have dust and oil stains.
Remedy: Wipe off the shiny optical parts.
3. There is parallax between the boundary line and the cross line
Possible cause: The position of the telescopic objective lens moves.
Remedy: Recalibrate the telescopic objective lens.
4. There is a parallax between the reading line and the cross line
Possible cause: The position of the reading objective lens moves.
Remedy: Recalibrate the reading objective lens.
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