F1030B石英管单双色水位计IP67防护等级NPT螺纹 ¥450.00 R型法兰安装中心距670mm灯带型石英管液位计PTFEF46 ¥450.00 770mW功耗0.45mm精度B49H-2.5-G单色石英管液位计 ¥450.00 UHS-566/CUHZ锅炉高温高压液位计0.4pa.s介质粘度 ¥450.00 0.6MPa压力UHZ-88B54B带远传磁翻板液位计T5防爆 ¥450.00 通讯协议HART磁性翻板液位计电伴热型UHZ-577C12E ¥450.00