Measuring Loupes

Measuring Loupes
 
LI-2-8x Loupe
 
LI-2-8x measuring loupe is intended for measurement of the linear dimensions up to 10 mm and consists of two lenses which ensure 8 x magnification and a glass reticle on which two measuring graticules are applied.
 
Measuring loupes are included in the State Register of Measuring Means.
 
Registration № RB 03 01 0934 09
 
Standard Specification of RB 14541426
 
 
 
Technical Data:
Loupe magnification, ratio                                                     8,0±0,16
Focal length, mm                                                                 31,25±0,62
Measurement range, mm                                                      from 0 to 10
Measuring scales division value, mm: 
         - against a light background with opaque strokes           0,1±0,01
         - against a dark background with transparent strokes      0,5±0,01
Limits of an absolute error of each measuring scale, mm         ±0,02
Moving of an eyepiece relative to the case
with a reticle (diopter range), min., dptr.                                  ±5
Overall dimensions, max., mm                                              Ø29×50
Weight, max., kg                                                                 0,04
Operating temperature range   from                                       -50 °C to +40 °C
Packing (overall dimensions), mm 
- an individual box                                                                36х36х55,5
- a transport box (50 pcs. )                                                   196х196х126

 
LI-3-10x   Loupe
 
LI-3-10x measuring loupe is intended for measurement of the linear dimensions and consists of three lenses which ensure 10 x magnification. For measurement of the elements under investigation the loupe is equipped with a reticle with a metric scale.
 
The loupe has passed the State acceptance trials and is admitted for application as a measuring means in the Republic of Belarus.
 
Registration № RB 03 01 0934 09
Corresponds to the requirements of Standard Specification of RB -14541426.020-99
 
Technical Data:
 
Loupe magnification, ratio                                                     10,0±0,2
Focal length, mm                                                                 25,0±0,5
Measurement range, mm                                                      from 0 to 20
Measuring scales division value, mm:
         - against a dark background with transparent strokes     0,1±0,01
Limits of an absolute error of each measuring scale, mm        ±0,02
Moving of an eyepiece relative to the case
with a reticle (diopter range), min., dptr.                                 ±5
Overall dimensions, max., mm                                             Ø34×35
Weight, max., kg                                                                0,04
Operating temperature range                                                from -50 °C to +40 °C
Packing (overall dimensions), mm 
- an individual box                                                               36х36х55,5
- a transport box (50 pcs. )                                                  196х196х126
 
 
LI-3-10x- U Loupe
 
LI-3-10x-U measuring loupe is intended for measurement of the angular sizes and consists of three lenses which ensure 10 x magnification, and a glass reticle on which angles are applied.
The loupe is of great demand in the jewelry industry, is used for examination of faceting angles of jewels.
 
The loupe has passed the State acceptance trials and is admitted for application as a measuring means in the Republic of Belarus.
 
Registration № RB 03 01 0934 09
Corresponds to the requirements of Standard Specification of RB -14541426.020-99
 
Technical Data:
 
Loupe magnification, ratio                                                 10,0±0,2
Focal length, mm                                                             25,0±0,5
Angular scale with angles, deg.                                         13,30,32,36, 38,39,40,41,45
Measuring scales division value, mm: 
Deviation of the true angle from its nominal value, max., min ±5
Moving of an eyepiece relative to a case
with a reticle (diopter range), min., dptr.                              ±5
Overall dimensions, max., mm                                          Ø34×35
Weight, max., kg                                                             0,04
Operating temperature range                                            -50 °C to +40 °C
Packing (overall dimensions), mm 
- an individual box                                                           36х36х45,5
- a transport box (50 pcs.)                                               196х196х126
 

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