EPTA-B0 | Electro-pneumatic transducer | metal bracket mount. | Dwyer
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Brand: DwyerSKU: EPTA-B0

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EPTA-B0 | Electro-pneumatic transducer | metal bracket mount. | Dwyer

Electro-pneumatic transducer, metal bracket mount.

Dwyer | EPTA-B0
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Overview

Details for EPTA-B0

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Electro-pneumatic transducer | metal bracket 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).

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