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YX-2D6A Common Model (GA+GB suitable for crystal round plate and crystal bar)
  

• One surface of GA angular instrument measures 2-6inches diameter crystal round plate; for example: silicon (111) sapphire C and other angle; at the same time it can also measures reference surface or OF for crystal bar; such as silicon (110) sapphire A surface and angle of other crystals.
• The other surface of GB professionally designed for crystal bar, it matches with level supporting board of 130mm width and 300mm length, matches with 2mobilabe nylon V type crystal bar supporting which can measures 2-6inches crystal plate; At the same time it can measures 2-6inches, 400mm length crystal bar surface; for example silicon(111) sapphire C surface and angle of other crystal. Measures 2-3inches for first one, 4-6inches for second one.

YX-2D6B (GA+GC suitable for crystal round plate and big crystal bar)
  

• One surface of GA angular instrument measures 2-6inches diameter crystal round plate; for example: silicon (111) sapphire C and other angle; at the same time it can also measures reference surface or OF for crystal bar; such as silicon (110) sapphire A surface and angle of other crystals.
• The other surface of GC angular instrument can measures crystal bar surface, it can measures 2-6inches, 400mm length crystal bar surface according to change width of , such as silicon(111,110) sapphire C surface and angle of other crystal. It can also measures crystal plate.
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YX-2D6C (GA+GD suitable for crystal round plate and its reference surface)

• One surface of GA angular instrument can measures 2-6inches diameter crystal round plate; for example: angle of A,C,R surfaces on silicon (111,110) sapphire;
• The other surface of GD angular instrument can measures reference surface or OF surface of 2-6inches crystal round plate that crystal bar has been cut. Such as silicon(110) sapphire A surface and angle of other crystal.

YX-2D6D (GB+GF suitable for crystal bar)
  

• One surface of GB angular instrument can measures surface of 4-6inches diameter, 400mm length crystal bar. for example: angle of C,R surfaces on silicon (111 sapphire;
• The other surface of GF angular instrument has one height adjustable test bracket which measures 5-20mm diameter round or square shape, 150mm length crystal surface. Such as angle of silicon(111) sapphire C surface.
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YX-2D6E (GD+GK suitable for reference surface of crystal plate, ±6°±15°angle)  

• One surface of GD angular instrument can measures reference or OF surface of ¢2-6inches crystal round plate that crystal bar cut into slices, for example: angle of A surfaces of silicon (111) sapphire or other crystal;
• The other surface of GK angular instrument can measures ¢2-6inches diameter crystal plate, or measures angles of crystal by changing ±6°, ±8°, ±15° inclined angle of sample backing board, Such as angle of gallium arsenide arsenide (111,110).

YX-2D6F (GE+GD suitable for reference surface of crystal round plate)
   

• One surface of GE angular instrument professionally designed for measuring big diameter crystal round plate, it can measures 2-8inches diameter crystal round plate and 400mm height crystal bar. For example: angle of silicon (110) sapphire C surface or other crystal, on sample board there has 10X10mm pane which used for 2 point 180° and 4point 90°test of crystal plate.
• The other surface of GD angular instrument can measures reference surface or OF surface of ¢2-6inches diameter crystal bar which has been cut, for example, angle of silicon (110) sapphire A surface and other crystal.

YX-2D6G (GD+GH suitable for reference surface of crystal plate, ±6° angle)
   

• One surface of GD angular instrument can measures reference surface or OF surface of ¢2-6inches diameter crystal bar which has been cut. For example, angle of silicon (110) sapphire A surface and other crystal.
• The other surface of GH angular instrument can measures ¢2-6inches diameter crystal round plate, by rotating 90degree, operator can change sample board inclined angle ±6°to measure angle of crystal plate. For example: angle of gallium arsenide(111,100) and other crystals.

YX-2D6H (GL+GC suitable for crystal round plate, big crystal bar)
  

• One surface of GL angular instrument can measures¢2-6inches diameter crystal round plate, for example, angle of silicon (111) sapphire C surface; at the same time it can measures reference or OF surface of crystal bar, on instrument has vertical reference ruler which is convenient for mark on processed rub reference surface, such as for angle of silicon (110) surface and other crystal.
• The other surface of GC angular instrument can measures crystal bar end surface, operator can measure ¢2-6inches diameter, 400mm length crystal bar end surface by changing width of roll bar. For example: angle of silicon (111,100) sapphire C surface and other crystal. It can also measures crystal round plate.