重庆川仪PDS433H-1LS0-A1DA中差压变送器技术参数:测量范围:0.1kPa~2KPa量程比: 30:1电源:10.5V~45V DC (本安型安全栅电源≤30V DC)输出:4mA~20mA DC和HART通信;PROFIBUS-PA通信环境温度:-40℃~85℃介质温度:-40℃~300℃(充硅油)精度:≤(0.15r)%温度漂移:≤(0.1r+0.2)%(-10℃~60℃) ≤(0.1r+0.15)%/10℃(-40℃~-10℃;60~85℃)静压影响:≤0.15r%/4MPa(零点);≤0.2 %/4MPa(量程)长期漂移:≤0.15r%/5年外壳防护等级:IP67防爆等级: Ex ia/ibⅡCT4/T5/T6或Ex dⅡCT4/T5/T6防腐:根据不同的介质选择相应的测量部材质