2.1 Input signals:
4mA～20mA;1VDC～5VDC
2mA～10mA;0.5VDC～2.5VDC;
24VDC pulse or voltage signal;

2.2 Power supply:
380VAC/50Hz   220VAC/50Hz

2.3 Valve controlling error ≤±1%

2.4 Travel controlling mechanism repeatability error ≤3%

2.5 Dead zone: 0.1～9.9% of the total travel

2.6 Watertight enclosure: IP68

2.7 Anti explosive mark: ExdⅡCT4

2.8 Ambient temperature: -40℃～+70℃

2.9 Ambient humidity: ≤95%