BS EN 61300-2-21:2010 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Tests - Composite temperature/humidity cyclic test
The purpose of this part of IEC 61300 is to determine the resistance of a fibre optic device to
the deteriorative effects of high temperature, humidity and cold conditions.
It is intended to reveal defects in a device under test (DUT) caused by breathing as opposed to
absorption of moisture. The test covers the effect of the freezing of trapped water in cracks and
fissures as well as condensation. However, the degree of condensation will vary depending on
the size and thermal mass of the DUT.
This test differs from other cyclic damp heat tests in that it derives its increased severity from:
a) a greater number of temperature variations leading to pumping actions in a given time;
b) a greater cyclic temperature range;
c) a higher rate of change of temperature;
d) the inclusion of a number of excursions to sub-zero temperature.
This type of test is particularly important for fibre optic devices made of a variety of different
materials.
BS EN 61300-2-21:2010 Referenced Document
IEC 61300-3-1 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-1: Examinations and measurements - Visual examination
IEC 61300-3-4 Corrigendum 1 — Fibre optic interconnecting devices and passive components — Basic test and measurement procedures — Part 3-4: Examinations and measurements — Attenuation*, 2023-06-28 Update
BS EN 61300-2-21:2010 history
2010BS EN 61300-2-21:2010 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Tests - Composite temperature/humidity cyclic test