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0-5VDC/0-10VDC/4-20mA, Tristate and Pulse Width Inputs, vent on power fail.

EP3031S $347.74 EA

  • Overview
  • Series Specifications
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 Series consume no air, eliminating unnecessary air losses in the system and allowing for efficient, long-term operation. The EP3 Series permits versatility, since all models feature manual override. The backlit 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.

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Versatile and Easy to Use
  • Field-selectable 4-20mA/0-5V/0-10VDC input for application flexibility
  • Poppet valve technology for quiet operation
  • Manual override with set and hold feature...great for commissioning those leaky systems
  • Multi-point calibration; 3-15psi (5 point calibration) and 0-20psi (6 point calibration)
  • Pressure loss alarm provides a contact closure if the EP is unable to achieve the desired output within a fixed 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
  • 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
  • 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 ohm; 0-5V/0-10VDC, 10k ohm
  • Manual Override Digital pushbutton adjust, switch-selectable mode
  • Accuracy 1% FS; combined linearity, hysteresis, repeatability @20°C (68°F) ambient
  • Temperature Coefficient ±0.1%/°C
  • Operating Environment 10-90% RH, non-condensing -4°C to 60°C
  • SCIM 523 in3 /min @45psi; (8570 cm3 /min @ 310.3kPa); 333 in3/min @ 20psi (5457 cm 3/min @ 137.9 KPa)
  • Supply Pressure Min (0.1psi + user F.S. pressure); Max 45psig
  • Control Range User programable Zero selectable from 0-25psi: Full scale 0-25psi
  • Pressure Differential 0.1psig (supply to branch)
  • Pressure Indication Electronic, 3-1/2 digit backlit LCD
  • 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 CapacitorEMC Conformance: EN 61000-6-3:2001 Class B, EN 55022 Class B, EN 61000-6-1:2001EMC Test Methods: CISPR 22:2005, Class B, IEC 61000-4-2:2001, IEC 61000-4-3:1998; IEC 61000-4-4:1995, IEC 61000-4-5:1995, IEC 61000-4-6:1997, IEC 61000-4-8:2001EMC Special Note: Connect this product to a DC distribution network or an AC/DC power adaptor with proper SURGE PROTECTION (EN 61000-6-1:2001 specification requirements).