1.产品性能: | | | | | | | | | | | | | | | | | | | | | | | |
a) | 电阻抵抗值 : | R( | 25 | ℃)= | 10 | KΩ± | 1 | %; | | | | | | | | | |
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b) | 电阻B值 : | B( | 25 | ℃/ | 50 | ℃)= | 3950 | K± | 1 | %; | | | | | |
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c) | 耐电压测试 : | AC | 1200 | V/ | 3 | S无击穿或闪烁现象(cut-off电流1mA); | | |
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d) | 绝缘电阻测试: | DC 500V大于100MΩ(保护管与引线间); | | | | | |
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e) | 使用温度范围: | –20 | ℃~+ | 105 | ℃. | | | | | | | | | | | |
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2.技术要求: | | | | | | | | | | | | | | | | | | | | | |
试验完毕后、在常温常湿环境下置放1小时后进行最终测定. |
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| 检验项目 | 检 验 方 法 | 检验设备 | |
| 外观尺寸检验 | 金属管表面无破裂、氧化等缺陷,外形及安装尺寸应符合产品图纸 | 直钢尺 | |
| 拉力测试 | 固定(保护)端子,沿导线在水平方向施加20N/3S | 拉力测试仪 | |
| 恒温检测 | 将产品置放在恒温环境稳定后再进行恒温测试 | 1.恒温水槽 2.数显万用表 | |
| 自由跌落测试 | 将传感器从1.5米高处自由落在水平放置厚3cm以上大约15×15cm的坚硬木板上 | | |
以上项目测试后产品的性能及外观(松动、脱落、断线、短路及形状异常)无异常 |
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3.缺陷判定: | | | | | | | | | | | | | | | | | | | | | | | |
| 序号 | 检查项目 | 缺陷种类 | | | | | | | |
| 1 | 外观 | 轻缺陷 | | | | | | | |
| 2 | 尺寸 | 重缺陷 | | | | | | | |
| 3 | 性能 | 致命缺陷 | | | | | | | |
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4.保管与包装: | | | | | | | | | | | | | | | | | | | | | | | |
a) | 保管条件:常温•常湿环境下袋装好后装箱保存; | | | | | | | | | |
b) | 长期在库品再检查间隔:24个月; | | | | | | | | | | | | | | |
c) | 装箱规格:100PCS/扎×10扎/包×5包=5000PCS/箱(数量少的待定). | | | | |
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