Standards Interpretation
汽车电子EMC整改:50 V/m 过了 100 V/m 就崩,先对表 ISO 11452-1 再动手
模块按 ISO 11452-2 自由场 50 V/m 全过,…
阅读全文
Standards Interpretation
Standard clauses translated into engineering language: how to read the limits, how to choose test conditions, how to prepare samples, and where the common misunderstandings are. Every article comes from a real project.
Standards Interpretation
汽车电子EMC整改:50 V/m 过了 100 V/m 就崩,先对表 ISO 11452-1 再动手
模块按 ISO 11452-2 自由场 50 V/m 全过,…
阅读全文
Standards Interpretation
盐雾测试测得了氢脆吗:高强度紧固件为什么只做盐雾不够
有的企业送检的 12.9 级高强度螺栓,盐雾测试按 ISO …
阅读全文
Standards Interpretation
汽车内饰件抗静电吸尘怎么测?表面电阻率和静电压怎么定
汽车内饰件吸灰,八成不是脏,是静电。塑料饰条、旋钮、门板局部…
阅读全文
Standards Interpretation
循环腐蚀试验 CCT:盐雾测试 96 小时通过,现场两年仍锈
一块镀锌支架在 NSS 中性盐雾箱里连续喷 96 小时,取出…
阅读全文
Standards Interpretation
Automotive EMC remediation: ISO 11452-6 BCI conducted immunity fails - fix the common-mode loop before adding ferrites.
汽车电子EMC整改最容易踩的坑,是模块在暗室自由场(ISO …
阅读全文
Standards Interpretation
Salt spray chamber calibration: why an out-of-spec collection rate makes results unreliable.
同一批镀锌支架,A 实验室跑盐雾测试 96 小时就起白锈,B…
阅读全文
Standards Interpretation
IPX9K in ingress testing: judging 80 C high-pressure hot water jets.
**IPX9K 不是把 IPX6 的防水重做一遍。按 IEC…
阅读全文
Standards Interpretation
Power-frequency magnetic field immunity (IEC 61000-4-8): reduce loop area before anything else.
设备挨着配电柜就死机、挨着电机就乱跳,很多工厂第一反应是射频…
阅读全文
Standards Interpretation
Stone-chip resistance of exterior coatings: SAE J400 and GB/T 1732 differ by more than the gravel.
**汽车外饰件涂层,真正扛不住的往往不是 5 年日照,而是提…
阅读全文
Standards Interpretation
Interior and exterior plastic parts rarely wear out - they slowly oxidise and embrittle in 70-125 C hot air.
**汽车内外饰的塑料件,大多不是用坏的,是在 70℃–125…
阅读全文
有一份标准看不懂?
把标准号和产品发给我们,技术顾问用工程语言给你讲清楚要做哪几项。

