目 录

引 言····························································································1

1 范围 ···························································································1

2 引用文件 ·····················································································1

3 概述 ···························································································1

4 计量特性 ·····················································································2

4.1 试验力······················································································2

4.2 贯入试针直径和试料筒尺寸···························································2

5 校准条件 ·····················································································2

6 校准项目及校准方法······································································2

6.1 试验力示值误差 ········································································2

6.2 贯入试针直径·············································································3

6.3 试料筒尺寸················································································3

7 校准结果 ·····················································································3

8 复校时间间隔 ···············································································4

附录 A 砂浆凝结时间测定仪校准记录（式样）········································5

附录 B 校准结果（内页）（式样）·························································6

附录 C 砂浆凝结时间测定仪示值误差测量不确定度评定····························7
1 范围
本规范适用于砂浆凝结时间测定仪的校准。
2 引用文件
本规范引用了下列文件∶
JJG 455 工作测力仪
JGJ/T 70建筑砂浆基本性能试验方法标准 第八部分;凝结时间试验
凡是注日期的引用文件，仅注日期的版本适用于本规范;凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本规范。
3 概述