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| | | 上海有什么校验机构能校验精度为0.001bar的电子压力表 |
| | | 表腔口进油了,可否有效的将表腔体中油液溶解或者吸附出来 |
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| | jerb
2007-9-23
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| | | GB/T 1227-2002 精密压力表产品分类与技术要求条款解读 |
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| | | JBT 5930-1991 工程机械 压力表式测压装置 |
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| | | JJG(石油) 32-94 耐(抗)震压力表检定规程 |
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| | | JJG(石油) 23-1992 压力变送器检定规程 |
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| | | JJG 239-1994 二、三等标准活塞式压力真空计检定规程 |
| | | JJG 52-1999弹簧式一般压力表,压力真空表和真空表 |
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| | | JJG 236-1994 一等标准活塞式压力 真空计 |
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| | | JJG 540-1988 工作用液体压力计检定规程 |
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| | | JJG 926-1997 记录式压力表、压力真空表及真空表检定规程 |
| | | JJG 241-2002 精密杯形和U型液体压力计检定规程 |
| | | JJG 159-1994 二、三等标准双活塞式压力真空计 |
| | | JJG 51-2003 带平衡液柱平衡活塞式压力真空计检定规程 |
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| | | JJG(石油)09-1999 电子式井下压力计检定规程 |
| | | JJG(石油)07-1999 机械式井下压力计检定规程 |
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| | | JJG 129-1990 一等标准活塞式压力计检定规程 (简) |
| | | JJG 2071--90压力(-2.5——2.5kPa)计量器具检定系统 |
| | | JJG 274-2007 双管水银压力表检定规程
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| | | JJG272-2007 空盒气压表和空盒气压计检定规程
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| | | JJG59-2007活塞式压力计检定规程
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| | | 压力计量器具检定系统
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| | | 弹簧管式一般压力表示值误差测量结果的不确定度评定2 |
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| | | 弹簧管式精密压力表示值误差测量结果的不确定度评定1 |
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