Code of practice for CNG compressor and refuelling stations - Metering devices - Division 3.2 Installation and operation of on-line metering devices
CNG压缩机和加油站的实施规程.计量装置.第3.2部分在线计量装置的安装和操作
Deals with on-line metering devices fitted to the fill line and measuring the quantity of CNG which has passed through the refuelling line during a specific filling operation. Covers requirements for the installation and the operation of these instruments in relation to the operating principle. Apart from the quantity, the pressure at the end of filling has to be measured and displayed.