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Series 275 PRECISOR III Electro-Pneumatic Position
Brand: Dwyer Instruments, LLCProximity Series 275 PRECISOR® III Electro-Pneumatic Positioners combine 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.
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
Specifications
Brand
Air Consumption
- Below 0.07 to 2.5 scfm (2 to 70 LPM) at psig: 20 (kPa: 140, bar: 1.4) Supply - Flow Capacity
Communication
- HART
Conduit Connection
- 1/2” NPT
Display
- LCD Display
Electrical Connectors
- Screw Terminal
Enclosure, Body Material
- Aluminum Die Cast
Environmental Protection
- IP66
Hysteresis
- ± 0.05 % of Span
Input
- NAMUR - Lever
Input Impedance
- Maximum
Input Signal
- 0 to 90° - Storke
- 4-20 mA DC
Linearization
- ≤ ± 0.5 % of Full Scale
Mounting
- Bracket
NPT Connection
- 1/4” NPT Female
- 1/8” NPT Female - Gage Connection
Repeatability
- ± 0.3 % of Full Scale
Sensitivity
- ± 0.2 % of Full Scale
Supply Pressure
- psi: 20 to 100 (bar: 1.4 to 7 bar, kPa: 140 to 700)
Temperature Range
- -30° to 85° C (-22° to 185° F)