Analog Positioner SRI990

FEATURES

• Configuration by means of switches and potentiometers

• Load 300 Ω

• Low air consumption

• Stroke 8 to 260 mm (0.3 to 10.2 inch)

• Angle range up to 95 degree

• Supply air pressure up to 6 bar (90 psig), with spool valve up to 7 bar (105 psig)

• Single acting or double acting

• Mechanical travel indicator

• Position transmitter 4 - 20 mA as option

• Attachment to stroke actuators directly or according to IEC 534 part 6 (NAMUR) • Attachment to rotary actuators according to VDI/VDE 3845

• Protection class IP 66 and NEMA 4X

• Explosion protection: II 2 G Ex ib/ia IIB/IIC T4/T6 according to ATEX or “Intrinsic Safety” according to CU TR Additional equipments (compatible to SRD991):

• Integrated inductive limit switches, independent of device electronics Accessories (compatible to SRD991):

• Gauge attachment for supply air and outputs

• Booster relay

• SRI990 can be upgraded to a SRD991 by exchange of the electronic motherboard