You are here:

422 I.S. fail freeze series

Current to pressure , (I/P) Converter

Technical features

Medium

Oil free, dry air, filtered to 5 μm

Output pressure

0,2 … 1 bar (2,9 … 14 psi)

Supply pressure

at least 0,7 bar (10 psi) above
maximum required output pressure
maximum 4 bar (58 psi) gauge

Flow capacity

Up to 250 Nl/min

Air Consumption

√ 0,4 Nl/min

Linearity

≤ 0,5 % of span

Hysteresis

Typically ≤ 0,5% of span

Response time

< 6 sec 10 … 90% into a 0,5 l volume
< 6 sec 90 … 10% into a 0,5 l volume

Temperature sensitivity

Typically < 0,1 % span/°C
between -10°C and +60° (+14 … +140°F)

Supply sensitivity

Typically < 0,5% of span for full supply pressure range

Port sizes

Main ports: 1/4 NPT/G1/4 female
Gauge ports: 1/4 NPT/G1/4 female
Captured bleed: 1/8 NPT female

Ambient/Media Temperature

-10 … +70°C (+14 … 158°F)
Air supply must be dry enough to avoid ice formation at temperatures below +2°C (+35°F).

Mounting position

Operation in any orientation is possible; integral surface mounting bracket provided.
Orientation effect <0.2%

Materials

Body: zinc diecasting passivated and epoxy painted
Cover: Glass reinforced PA
Diaphragms: NBR