ICS 17.100 CCS A 53 DB32 江 苏 省 地 方 标 准 DB32/T 3976-2021 液化气体自动灌装衡器通用技术规范 General technical specifications of automatic liquefied gas filling Instrument 2021 - 02 - 03 发布 江苏省市场监督管理局 2021 - 03 - 03 实施 发 布 DB32/T 3976-2021 目 次 前言 ............................................................................... III 1 2 3 4 5 范围 ............................................................................... 规范性引用文件 ..................................................................... 术语和定义 ......................................................................... 产品型号 ........................................................................... 计量要求 ........................................................................... 5.1 准确度等级 ..................................................................... 5.2 分度值 ......................................................................... 5.3 计量单位 ....................................................................... 5.4 误差极限 ....................................................................... 5.5 最小秤量 ....................................................................... 5.6 重复性 ......................................................................... 5.7 偏载 ........................................................................... 5.8 多指示装置 ..................................................................... 5.9 鉴别阈 ......................................................................... 5.10 灌装操作及偏差 ................................................................ 5.11 影响因子 ...................................................................... 6 技术要求 ........................................................................... 6.1 使用适用性 ..................................................................... 6.2 操作的安全性 ................................................................... 6.3 称重结果的指示 ................................................................. 6.4 灌装装置 ....................................................................... 6.5 最后断灌装置 ................................................................... 6.6 置零装置和除皮装置 ............................................................. 6.7 控制衡器 ....................................................................... 6.8 软件 ........................................................................... 6.9 防爆要求 ....................................................................... 6.10 正常工作条件 .................................................................. 7 自动灌装衡器的附加要求 ............................................................. 7.1 通用要求 ........................................................................ 7.2 性能要求 ........................................................................ 7.3 检查和试验 ..................................................................... 7.4 电气安全性能 ................................................................... 7.5 称重传感器 ..................................................................... 7.6 制造 ........................................................................... 8 试验方法 ........................................................................... 8.1 结构与文件的对比 ............................................................... 1 1 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 8 8 8 8 8 8 I DB32/T 3976-2021 8.2 外观检查 ....................................................................... 8 8.3 正常测试的条件 ................................................................. 8 8.4 温度 ........................................................................... 8 8.5 供电电源 ....................................................................... 9 8.6 预热 ........................................................................... 9 8.7 自动灌装衡器的水平 ............................................................. 9 8.8 自动置零和零点跟踪 ............................................................. 9 8.9 分度值小于 d 的指示 ............................................................. 9 8.10 调整 .......................................................................... 9 8.11 恢复 .......................................................................... 9 8.12 预加载 ........................................................................ 9 8.13 控制衡器 ...................................................................... 9 8.14 试验 .......................................................................... 9 9 检验规则 ........................................................................... 9 9.1 型式检验 ..