UE LDP1WC250P-16

  • Product Name: UE ECHOLINE LDP1WC250P-16 Low Differential Pressure Indicating Switch
  • Product Introduction: A digital low-differential pressure monitor and switch designed for clean air, dry gases, and inert/corrosive media, featuring local display and health diagnostics.
Category:
Description
  • Technical Specifications:
    • Model Breakdown: LDP1 (Series), WC (Wetted parts/material config), 250P (Range/Pressure reference), 16 (Options/Display)
    • Measurement Medium: Clean dry air, inert gas, corrosive media (316L SST wetted parts)
    • Accuracy: ±1.0% of Full Scale at 20°C
    • Switch Output: SPDT Dry Contact, 1A @ 30V DC
    • Analog Output: Optional 0-10V or 4-20mA (non-isolated)
    • Display: 3½ digit LED digital pressure display
    • Setpoints: Independently adjustable High/Low (5-95% of range)
    • Time Delay: Selectable 1, 10, 20, 30 seconds
    • Supply Voltage: 12-24V DC (approx. 1.4W)
    • Overpressure: ≤1″ wc range: ±80″ wc; ≥8″ wc range: ±14.5 psig
    • Connection: 1/4″ OD push-in or 1/8″ FNPT barb
    • Enclosure: 1/8 DIN Polycarbonate panel mount
    • Operating Temp: 0°C to +40°C (some specs +55°C)
  • Functional Features: ECHO​ diagnostic output for internal electronics health/power loss; maintenance mode to prevent nuisance tripping; deadband ~1% FS.
  • Application Scenarios: HVAC filter monitoring, fume hood face velocity, cleanroom differential pressure, pharmaceutical isolator monitoring.
  • Working Principle: Piezoresistive or capacitive pressure sensing element converts differential pressure to electrical signal, processed by MCU to drive display, analog output, and relay setpoints.
  • Installation Requirements: Panel cutout for 1/8 DIN; avoid vibration exceeding spec; connect media via appropriate tubing; ensure supply voltage within 12-24V DC.
  • Precautions: Only for compatible gases—not for liquids unless specified; avoid overpressure beyond burst rating; calibrate periodically for critical processes.
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