EJX110A差压变送器L膜盒M膜盒H膜盒测量范围-10~10kPa-100~100kPa-500~500kPa(-40~40inH2O)(-400~400inH2O)(-2000~2000inH2O)测量量程0.1~10kPa0.5~100kPa2.5~500kPa(0.4~40inH2O)(2~400inH2O)(10~2000inH2O)精度 0.04% 0.04% 0.04%防护等级IP67,NEMA4X,和JISC0920防浸型防爆结构FM,CENELECATEX,CSA输出信号4~20mADC或FOUNDATION 现场总线,2线制数字通讯电源电压10.5~42VDC(本安型:10.5~30VDC)