ANALOG (4 to 20 mA):

• Independent adjustment of zero and span

• Adjustable amplification and damping

• Split-Range up to 3-fold

TECHNICAL DATA:

• Analog (0/4-20 mA): Load 200 Ohm (4 VDC at 20mA)

• Analog (0-10 VDC): 4-wire-version, operation by U/I-converter (on request)

COMMON FEATURES:

• Stroke 8 to 100 mm (0.3 to 4 in); extended stroke range on request

• Angle range up to 120°

• Characteristic curves by cams

• Supply air pressure up to 6 bar (90 psig).

• Low air consumption

• Low vibration effect in all directions

• Single or double-acting

• Mounting on linear actuators according to IEC 534, Part 6 (NAMUR)

• Mounting on rotary actuators according to VDI/VDE 3845

• Protection class IP 54, IP 65 (on request)

• Explosion protection:
  • II 2 G EEx ia IIC acc. to ATEX
  • “Intrinsic Safety” acc. to FM and CSA

• Certificate No. 90/20226 (E2) „Lloyd’s Register of Shipping“ for use on vessels

MODULAR SYSTEM FOR ACCESSORIES:

• Built-in independent inductive limit switches in 2-wire, 3-wire or microswitch-technology (optional)

• Independent position feedback 4-20 mA (optional)

• Booster Relays with an air capacity of up to 110,000 ln/h (3,884 scfh)

• Connection Manifolds and gauges

The electro-pneumatic Positioner SRI986 with analog input 0/4-20 mA (or optional with 0-10 VDC) is designed to operate pneumatic valve actuators and is available in the version EEx ia / intrinsic safety.
   The adaptation and settings of zero an span can easily be achieved by the knurled-head screw.