EPTA-S0 | Electro-pneumatic transducer | standard snap-track mount. | Dwyer (OBSOLETE)

Electro-pneumatic transducer, standard snap-track mount.

Brand: DwyerSKU: EPTA-S0

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Overview Details for EPTA-S0

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Electro-pneumatic transducer | standard snap-track mount.

Series EPTA Electro-Pneumatic Transducers

Low Cost, Selectable Input/Output, Manual Override

The Series EPTA Electro-Pneumatic Transducers convert an analog input signal to a linearly proportionate pneumatic output by modulating its control valves to regulate branch line pressure to the set point determined by the input signal. All models incorporate two low voltage valves, an integral in-barb filter, a 0 to 30 psi analog gage, an anodized aluminum manifold, and brass barbed fittings. The EPTA offers adjustable span and offset as well as manual override. This unit has no air consumption and is immune to mounting orientation. Output pressure ranges include field-selectable 0 to 10, 0 to 15, and 0 to 20 psig. Also included is an analog 0 to 5 VDC feedback signal indicating the resultant branch line pressure. Universal 24 VAC/24 VDC supply voltage and field-selectable 4 to 20 mA, 0 to 5 VDC, 0 to 10 VDC, or 0 to 15 VDC inputs ensure single unit compatibility with most systems. The standard models maintain branch pressure on power loss while the Fail-Safe models will drop the branch pressure to 0 psi on power loss. Mounting configurations include a metal bracket mount in the EPTA-B models and a snap-track mount in the EPTA-S models. The A-400 accessory kit will allow the EPTA-S models to be mounted on a standard DIN rail.

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Product Applications

Operation of valve actuators, positioners, damper and louver actuators.

Adjustable span and offset
Manual override
Field selectable output ranges
Not position sensitive

Specifications

Series: EPTA Electro-Pneumatic Transducers
Category/Type: Valves
Type: Current to Pressure Transducers
Series: EPTA Electro-Pneumatic Transducers
Service: Clean dry air or any inert gas.
Input Signal: DC Current (4-20 mA) or DC Voltage (0-5/0-10/0-15).
Input Impedance: Current: 250 ohms; Voltage: Infinite.
Output Signal: Jumper selectable 0-10 psig (0-69 kPa); 0-15 psig (0-103 kPa); or 0-20 psig (0-138 kPa).
Feedback Output: 0 to 5 VDC.
Air Supply: 25 psig (172 kPa) maximum.
Air Flow: 750 scim.
Air Consumption: 0 scim normal operation; Fail-Safe model vents to 0 psi on power loss.
Accuracy: ±1.0% full scale @ room temperature; ±2.0% full scale @ 32 to 120°F (0 to 48.8°C).
Supply Voltage: 24 VDC (+10%/-5%) or 24 VAC (±10%) 50/60 Hz.
Supply Current: 180 mA maximum; 200 mA maximum on Fail-Safe model.
Temperature Limits: Operating: 32 to 120°F (0 to 48.8°C); Storage: -20 to 150°F (-6.7 to 65.6°C).
Operating Humidity Range: 5 to 95%; non-condensing.
Pressure Connections: 1/4" O.D. (polyethylene tubing optimum).
Electrical Connections: Plug-in block terminal type with 5 mm pin spacing.
Wire Size: Up to one 14 AWG per terminal.
Weight: EPTA-S0: 6.9 oz. (196 g); EPTA-S1: 9.2 oz. (261 g); EPTA-B: 14.5 oz. (411 g).