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2 65 I/P & E/P CONVERTERS For further information www.imi-precision.com Electrical parameters Technical data Medium: Oil free, dry air, filtered to 5 µm Output pressure: 0.2 ... 1 bar Supply pressure: at least 0.7 bar above maximum required output pressure maximum 4 bar gauge Flow capacity: Up to 250 Nl/min I.P. Rating: IP65 with piped exhaust EMC Compatibility: Compliant and CE marked in accordance with the EC Directive 2004/108/EC tested to BS EN 61000-6-2:2005 BS EN 61000-6-4:2007+ A11:2011 Ambient/Media temperature: -10 ... +70°C Air supply must be dry enough to avoid ice formation at temperatures below +2°C. Materials Body: zinc diecasting passivated nd epoxy painted Cover: Glass reinforced PA Diaphragms: NBR Technical features ATEX I.S. I/P Converter Symbol Model Port size Output pressure AC301PJ1 G1/4 3 ... 15 psi AC301PK1 1/4 NPT 3 ... 15 psi AC301BJ1 G1/4 0.2 ... 1 bar AC301BK1 1/4 NPT 0.2 ... 1 bar Input Signal 4 ... 20 mA (two wire). Terminal voltage typically < 11 V at 20 mA Failure Mode Output pressure held at previous value when input signal fails; drift rate ≤ 0,2% of span in 5 minutes Overload protection 30 mA max. overload current. Unit unaffected by reverse current Connections 30mm square connector provided (DIN 43650, form A) mountable in 4 directions Span/Zero Independently adjustable up to 15 % output range Certification Certification Agency ATEX Intrinsically safe IECEx Intrinsically safe Sira II 1G Sira 03ATEX2007X Ex ia IIC T4 Ga (Ta = -40 ... +80°C) Ui = 28 V d.c. Ii = 110 mA Pi = 0.8 W Ci = 5 nF Li = 0.24 mH 1G IECEx SIR 11.0095X Ex ia IIC T4 Ga (Ta = -40 ... +80°C) Ui = 28 V d.c. Ii = 110 mA Pi = 0.8 W Ci = 5 nF Li = 0.24 mH 422 IS Fail Freeze Series Current to pressure (I/P) Converter G1/4 or 1/4 NPT