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PRECISOR® III Electro-Pneumatic Positioner

PRECISOR® III Electro-Pneumatic Positioner

Series 275 PRECISOR® III Electro-Pneumatic Positioner Low Cost, Rotary Operation

Description


Series 275 PRECISOR® III Electro-Pneumatic Positioner

Low Cost, Rotary Operation

Proximity Series 275 PRECISOR® III Electro-Pneumatic Positionerscombine an easy to use, high performance unit with a low price. Series 275 models accurately control valve stroke of rotary motion valves such as Dwyer Instruments ball or butterfly valves according to an input signal of 4 to 20 mA from the controller. Its rugged, durable design makes it ideal for harsh environments. The NEMA 4X (IP 66) enclosure rating protects the highly efficient microprocessing unit. 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 Series 275. Low air consumption reduces operating cost, but does not sacrifice the performance of the positioner. The compact design of this unit makes it easy to use with any size actuator. PRECISOR® III Positioners feature user selectable single or double action and LCD screen attached to the outer face of the unit, allowing for an easy inspection of the positioner condition while in the field.

Specifications



Input Signal:



4-20 mA DC.


Input Impedance:



460 Ohm max @ 20 mA DC.


Enclosure Material:



Aluminum diecasting.


Air Supply:



20 to 100 psi (1.4 to 6.9 bar).


Air Connection:



1/4" NPT.


Gage Connection:



1/8" NPT.


Conduit Connection:



1/2" NPT.


Linearity:



±0.5% of full scale.


Hysteresis:



±0.5% of full scale.


Sensitivity:



±0.2% of full scale.


Repeatability:



±0.3% of full scale.


Air Consumption:



Below 0.07 scfm (2 LPM) at 20 psig (1.4 bar)   supply.


Flow Capacity:



2.5 scfm (70 LPM) at 20 psig (1.4 bar)   supply.


Stroke:



0 to 90°.


Enclosure Rating:



IP66.


Temperature Limits:



-22 to 185°F (-30 to 85°C).


Lever:



NAMUR.


Weight:



3.3 lb (1.5 kg).

Features

•    Integral LCD for monitoring or programming

•    Mounting bracket is included

•    Adjustable for various characteristics - quick open or linear valves

•    User selectable single or double action


If you have more interest, please send  your valuable inquiry to this email: postmaster@wtindustrialeqpt.com


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