亚洲AV永久无码天堂网一线,欧美区在线播放,亚洲一区自拍,亚洲桃色天堂网,成人综合伊人五月婷久久,国产熟妇精品高潮一区二区三区,日韩丨亚洲丨制服丨痴汉97,顶级嫩模高档酒店援交视频
TUS Ultrasonic Gas Meter
With independent intellectual property rights, TUS ultrasonic gas meter is featured with high precision, reliability and stability. The product meets different users’ demand with its multiple soundtrack layouts and supporting of multiple communication modes. The meter is equipped with built-in temperature sensor which measures temperature inside pipes and automatically corrects the expansivity of meter’s housing so as to avoid the measuring inaccuracy caused by thermal expansions and contractions of meter’s housing. Based on the international standard ISO 17089, the US standard AGA9 and national standard GB/T 18604, being an ideal meter for users to achieve measurement with high precision and reliability, the product is suitable for utilizing in the long distance pipeline, city combustion gas, petroleum, chemical, electrical, and metallurgical industries.