Product Overview

8 EP-8000 Series Electro-Pneumatic Transducers Product/Technical Bulletin
S
pecifications
Product
EP-8000 Series Electro-Pneumatic Transducers
Models
See Table 1.
Action
Proportional, direct acting
Supply Pressure
18 to 25 psig (126 to 175 kPa); nominal 20 psig (140 kPa);
Air supply must be clean, dry, and oil free.
Supply Pressure
Sensitivity
0.3 psig/psig (0.3 kPa/kPa)
Adjustments
Voltage models: 20 VDC maximum input; span adjustable from 7.5 to 15 VDC;
factory set at approximately 10 VDC
Current models: 30 mA DC maximum input; span adjustable from 10 to 20 mA DC;
factory set at approximately 16 mA DC
All models: Output can be shifted
±
9 psig (
±
63 kPa) using zero adjustment screw.
Linearity
5% maximum of output span between 3 to 15 psig (21 to 103 kPa)
Hysteresis
0.5 psig (3.4 kPa) typical
Temperature
Coefficient
0.05 psig/
°
F (0.62 kPa/
°
C)
Input Impedance
Voltage models: 1000 ohms minimum
Current models: 350 ohms maximum
Air Flow Capacity at
20 psig Supply
Low-volume models: 45 scim (12.3 mL/s) maximum (value specified for dead-ended
loads or with controlled devices/applications with a maximum
air consumption of 10 scim [2.7 mL/s])
High-volume models: 1600 scim (437 mL/s) maximum; see Figure 5.
Air Consumption
Low and high-volume models: 45 scim (12.3 mL/s) maximum
Electrical
Connections
Terminal block for 18 to 24 AWG wire
Air Connections
Barbed fittings for 5/32 or 1/4 in. O.D. polytubing
Materials
Body: Polysulphone
Case and cover: UL 94 V-O rated Polycarbonate
Enclosure protection: IP 42 according to DIN 40 050 and IEC 144
Air connections: Brass
Ambient Operating
Conditions
41 to 122°F (5 to 50°C); 10 to 90% RH, non-condensing
Ambient Storage
Conditions
-4 to 140°F (-20 to 60°C)
Mounting
Surface mounted or installed on a valve or pneumatic actuator using the EP-8000-101 Mounting Kit
Shipping Weight
EP-8000-1 and -3: 0.5 lb (227g) EP-8000-2 and -4: 0.6 lb (272g)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications,
consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
Controls Group
507 E. Michigan Street
P.O. Box 423
Milwaukee, WI 53201 Printed in U.S.A.