185EL-S1 | Smart positioner | Hart® communication | single action | aluminum enclosure | Dwyer
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185EL-S1 | Smart positioner | Hart® communication | single action | aluminum enclosure | Dwyer

Smart positioner, Hart® communication, single action, aluminum enclosure

Brand: DwyerSKU: 185EL-S1
Dwyer | 185EL-S1
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Overview Details for 185EL-S1

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Smart positioner | Hart® communication | single action | aluminum enclosure

Series 185 Linear Smart Positioner

Fail Freeze, Linear Operation, HART® Communication

Series 185 Linear Smart Positioners combine an easy to use, high performance unit with a low price. Series 185 models accurately control the valve stroke of linear motion valves, such as W.E. Anderson globe valves, according to an input signal of 4 to 20 mA from the controller. Its rugged, durable aluminum or available stainless steel construction makes it ideal for harsh environments. The NEMA 4X (IP66) enclosure rating protects the highly efficient microprocessing unit inside the Smart Positioner. An analog feedback signal is outputted to stabilize any valve system, and easy to use functions such as auto calibration ensure the accuracy of the unit. Low air consumption reduces operating cost, but does not sacrifice the performance of the Smart Positioner. The compact design of this unit makes it easy to use with any size actuator. Smart Positioners feature a LCD screen attached to the outer surface of the unit, allowing for an easy inspection of the positioner condition while in the field. Available in user selectable single or double action, with HART® communication as standard. In the event that the 4-20 mA input signal is lost the 185 will fail in place.

Product Applications

  • Linear motion valves or rotary motion valves with single or double acting actuators
  • User selectable single or double action
  • LCD display

Specifications

Series
185 Linear Smart Positioner
Category/Type
Valves
Type
Positioners
Series
185 Linear Smart Positioner
Input Signal
4 to 20 mA DC.
Input Impedance
460 Ω max @ 20 mA DC.
Enclosure Material
Aluminum or 316SS.
Air Supply
35 to 116 psi (2.4 to 8 bar).
Air Connection
1/4" NPT.
Gage Connection
1/8" NPT.
Conduit Connection
1/2" NPT.
Linearity
±0.5% FS.
Hysteresis
±0.5% FS.
Sensitivity
±0.2% FS.
Repeatability
±0.3% FS.
Air Consumption
.0004 scfm (.01 LPM) at 20 psig (1.4 bar) supply.
Flow Capacity
2.1 scfm (60 LPM) at 20 psig (1.4 bar) supply.
Stroke
0.5 to 6" (10 to 150 mm).
Enclosure Rating
NEMA 4X (IP66).
Temperature Limits
-22 to 185°F (-30 to 85°C).
Weight
3.3 lb (1.5 kg); SS models: 6.4 lb (2.9 kg).

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