(1) Purpose:
This equipment is suitable for testing the tensile performance of optical cables within a specified range of tensile loads (usually allowed during installation), that is, to determine the attenuation changes, fiber strains, and/or the functional relationship between fiber strain and tensile load in the optical cable.
(2) Characteristics:
This equipment adopts computer control, servo motor drive, precision ball screw transmission loading, and precision load sensor signal measurement. It has the characteristics of smooth loading, accurate measurement, rapid control response, diverse control methods, convenient and accurate digital calibration of load and elongation, and full load protection and position protection.
(3) Technical parameters:
1) Product model: GLW-50/GLW-100
2) Maximum test force: 50kN/100kN
3) Force measurement range: （1%～100%）F.S.
4) Force resolution: ± 250000 yards, no grading throughout the entire process, unchanged resolution
5) Accuracy of force indication: ± 0.5%
6) Force holding time: not less than 3 hours, can be set arbitrarily
7) Relative error of force protection load: ± 0.5%
8) Deformation measurement gauge length: 1000mm
9) Deformation measurement range: （0~50）mm
10) Deformation resolution: 0.001mm
11) Accuracy of deformation indication: ± 0.5%
12) Displacement display resolution: 0.001mm
13) Displacement control resolution: 0.000015mm
14) Accuracy of displacement indication: ± 0.5%
15) Displacement rate adjustment range: （0.01～500）mm/min， Any setting
16) Relative error of displacement rate: ± 0.5%
17) Stretching space: 25m
18) Effective stretching stroke: 1000mm
19) Maximum diameter of clamped optical cable: 30mm
20) Chuck diameter: determined according to relevant national standards based on the diameter of the measured optical cable sample
21) Weight: 3500kg