目 录
一 概述 ·······················································································…… (1)
二 技术要求 ·...................................................................................... ( l )
三 检定条件 ·...................................................................................... ( 1 )
(一)检定环境条件···········································································…… (1)
(二)检定用标准···············································································，·… (1)
四 检定项目和检定方法 ··································································一 (3)
五 检定结果的处理和检定周期 ·.............................................................. ( q )
附录1 检定用数据记录格式 ····························································，··… (5)
附录2 检定石油低含水率分析仪配方程序清单 ····································…… (6)
附录3 含水率配方的计算举例 ·······················································…… (8)
附录4 石油低含水率分析仪检定记录表 ·············································…… (10)
附录5 检定证书和检定结果通知书 (背面)格式 ·································…… (11)
石油低含水率分析仪检定规程
本规程适用于新制造、使用中和修理后的石油低含水率分析仪的检定。
一 概 述
在线连续测量石油含水率的方法有多种，目前我国主要有射频、微波、电容法等原
理的石油低含水率分析仪，这些仪表广泛应用于石油的生产和销售计量中。
本规程采用质量配比法，用石油含水率测试仪检定装置作为计量标准器。
二 技 术 要 求
测量范围:0--3%体积含水率。
测量准确度:士0.1%0
测量重复性:-<0.05 % o
测量方式:在线连续测量。
三 检 定 条 件
(一)检定环境条件
5 环境温度:20一30℃。
6 环境湿度:45%一75%。
7 大气压强:86一106 kPao
8 电源电压:AC 2200士10%) V或 380(1士10%) Vo
9 电源频率:50(1士5%) Hzo
(二)检定用标准
10 石油含水率测试仪检定装置。
10.1 检定装置技术性能
10.1.1 测量范围:0--3%体积含水率。
10.1.2 测量准确度:士0.03%0
10.1.3 检定用介质:检定用水矿化度大于2 000 x 10一“;检定用油是不含水的变压器
油、柴油、煤油或机油。
10.2 检定装置组成
10.2.1 架盘药物天平二台 (分度值 0.5 g，最大称量 5009和分度值59，最大称量
5 000 g天平各一台)及M:级天平一套或电子天平一台 (分度值 0.1 g，最大称量
6 000 g).
