(1) Applicable to the ambient temperature 40 ℃ – +60 ℃.
(2) Ambient atmospheric pressure 80 — 106Mpa.
(3) Relative humidity is less than or equal to 95%.
(4) Fastener test: after 200 cycles, there is no sign of whitening and cracking at the fastener, and the spring fastener does not fall off, loosen or fail.
(5)Axial tension: take the axial tension of d/45*100N for 2 hours, and no cable pull off after the test.
(6) temperature cycle: low temperature 30 ℃ + 2 ℃, high temperature + 60 ℃, 2 ℃, at high and low temperature stage for not less than 4 hours each, test together and then tested to meet the requirements.
(7) vibration test: vibration frequency of 10HZ, amplitude of 3mm, vibration time of 72h / time.
(8) impact test: the mass of the steel ball is 500g, 1m high above the casing. It falls freely.
(9) temperature cycle: jump in the range of low temperature -40 ℃ ~ +60 ℃ high temperature, dwell time of not less than 4h, no fracture and other abnormalities.