JJF 2118-2024 Calibration Specification for Pressure Type SF6 Gas Density Monitor Calibrators
This specification applies to the calibration of pressure-type sulfur hexafluoride (SF6) gas density controllers.
Current Category: CN-JJF - National Metrology Technical Specifications JJF
This specification applies to the calibration of pressure-type sulfur hexafluoride (SF6) gas density controllers.
This standard applies to the type evaluation of all types of focal length meters classified and coded as 33060000.
This specification is applicable to the calibration of acrylonitrile gas detectors with a measurement upper limit of no more than 100 μmol/mol.
This specification is applicable to the calibration of carbon dioxide gas detectors and alarms used in mine working environments, with a measurement range of 0.00% to 5.00% by mole fraction.
This specification is applicable to the calibration of liquid chromatography-inductively coupled plasma mass spectrometers.
本规范适用于频率范围在1 kHz~1 GHz、电压范围在100 μV~300 mV的微电位计的校准。
本大纲适用于计量器具分类编码为12184500的气体容积式流量计[包括气体腰轮(罗茨)流量计和旋转活塞式气体流量计](以下简称流量计)的型式评价。
本规范适用于30 m和70 m量程的光频域反射计的长度、光插入损耗、光回波损耗、输出中心波长等参数的校准,其他量程的光频域反射计参照执行。
本规范适用于机动车测速仪现场测速标准装置的校准。
本规范适用于绝对压力为0.1 kPa~120 kPa范围内的低气压试验箱和绝对压力为0.1 kPa~120 kPa范围内、温度为-80 ℃~200 ℃范围内的高低温低气压试验箱(以下简称“试验箱”)校准。
本规范适用于方位角(也称:航向角)测量范围为0°~360°,示值最大允许误差为±0.25°的舰船导航用途的船用陀螺罗经校准。
本规范适用于基于互相垂直的3个直线运动导轨构成的坐标测量机的校准。