PRESSURE
VERIS INDUSTRIES
800.354.8556
+1 503.598.4564
www.veris.com
Electropneumatic Transducers
Micro-Controlled With High-
Performance, Low-Power Coil
Poppet Valve Technology
EP SERIES
EP3
SPECIFICATIONS
Input Power 22-30VDC/20-30VAC, 47-63 Hz,150mA max. average, 350mA peak
Control Input 4-20mA/0-5V/0-10VDC; switch-selectable, Tri-State, PWM
Input Impedance 4-20mA, 250 Ω; 0-5V/0-10VDC, 10 kΩ
Manual Override Digital pushbutton adjust, switch-selectable mode
Alarm Contact 100mA@30VAC/DC (Pressure loss, manual mode, jumper selectable)
Accuracy 1% FS; combined linearity, hysteresis, repeatability @20°C (68°F) ambient
Temperature Coecient ±0.1%/°C
Operating Environment 10-90% RH noncondensing -4°C to 60°C
SCIM 523 in
3
/min @ 45 psi; (8570 cm
3
/min @ 310.3 kPa); 333 in
3
/min @ 20 psi (5457 cm
3
/min @ 137.9 kPa)
Supply Pressure Min (0.1 psi + user F.S. pressure); Max 45 psig
Control Range User programmable Zero selectable from 0-25 psi: Full scale 0-25 psi
Pressure Dierential 0.1 psig (supply to branch)
Pressure Indication Electronic, 3-1/2 digit LCD (back-lit)
Minimum Tubing Length 15 feet*
Port Connection 1/8” i.d. poly tubing
Media Connection Clean, dry air, or inert gas. Do not use with oxygen service
*For shorter tubing runs use AA45 Pneumatic Capacitor
EMC Conformance: Low voltage directive 2006/95/EC; EMC directive 2004/108/EC.
EMC Special Note: Connect this product to a DC distribution network or an AC/DC power
adaptor with proper surge protection (EN 61000-6-1:2007 specication requirements).
Year
Warranty
5
DESCRIPTION
The EP3 Series combines a microcontroller with high performance, low power
coil poppet valve technology to create a system with unparalleled accuracy and
proven reliability. The poppet valves used in the EP3 consume no air, eliminating
unnecessary air losses in the system and allowing for ecient, long-term operation.
The EP3 permits versatility, since all models feature manual override and a tri-state
control option. The LCD provides easy visibility and the LED indicators provide visual
status of valve operation in manual or automatic mode. All models come with
SnapTrack housing and optional covers are available.
APPLICATIONS
● Hospitals
● Schools
● Pneumatic dampers/actuators
FEATURES
● Field-selectable 4-20mA/0-5V/0-10VDC input for application exibility
● Poppet valve technology for quiet operation
● Manual override with set and hold feature...great for commissioning
those leaky systems
● Multi-point calibration; 3-15 psi (5 point calibration) and 0-20 psi
(6 point calibration)
● Pressure loss alarm provides a contact closure if the EP3 is unable to
achieve the desired output within a xed length of time
● Failsafe vent solenoids bleed branch pressure on power failure for added safety
● Optional transparent plastic dust cover (AA43) protects units from dust
and tampering (required for CE)
● User programmable zero and full scale outputs
● Backlit LCD for local indication of readings...easy to view
● Dual-color LED...assists in trouble shooting
● Tristate and PWM inputs
EP Series transducers are sold as an open device.
Observe handling precautions for static sensitive
devices to avoid damage to the circuitry which
would not be covered under the factory warranty.
HQ0001829.B 01131
(3 pages)
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