18422中英文朗读51437
standard instruments should possess valid certificate of metrological verification, the absolute value of its basic error should not exceed 1/3 of the basic error absolute value is calibrated instruments.
仪表设备及材料验收后，应按其要求的保管条件分区保管。
Acceptance, the instrumentation euipment and materials shall be in accordance with the reuirements of the escrow conditions partition.
主要的仪表材料应按照其材质、型号及规格分类保管。
Main instrument materials should be classified according to its material, type and specification.
4．自动化仪表工程的温度取源部件在管道上开孔及焊接，必须在管道(试压、防腐、衬里)前进行。
4. The temperature of the automation instrument engineering take open hole in the pipe and the welding source parts, must be in front of the pipeline (testing, anti-corrosion, lining). 在设备或管道上安装取源部件的开孔和焊接工作，必须在设备或管道的防腐、衬里和压力试验前进行。
Take source components installed on the euipment or pipe opening and welding work, must be in the lining of euipment or pipeline anticorrosion, and the pressure test.
5．自动化仪表线路碰到管道的敷设要求( )。
5. Automation instrument line touching the pipe laying reuirements ().
不应敷设在高温管道的上方、不应敷设在具有腐蚀性液体管道的下方、与管道绝热层之间的最小距离应大于等于200毫米
Should not be in the upper part of the heat pipe laying, should not be below the corrosive liuid pipe laying, and the minimum distance between pipeline insulation blanket should be greater than or eual to 200 mm
自动化仪表线路