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Model IXLdp Ultra-Low Differential Pressure Transmitter

Brand: Ashcroft Inc
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The Ashcroft Industrial IXLdp was designed for the measurement and control of very low pressure and flow in industrial and process plant environments.

The Industrial IXLdp transmitter features a rugged NEMA 4X enclosure, built-in electrical terminal box isolated from the electronics and threaded process connections.

The Ashcroft IXLdp transmitter utilizes a state-of-the-art variable capacitance sensor with a glass-clad silicon chip.

The Si-GlasTM technology combines the high sensitivity of a variable capacitance transducer with the repeatability of a micromachined, single-crystal silicon diaphragm.

The Si-Glas sensor is composed of sputtered metals and glass molecularly bonded to silicon.

There are no epoxies or other organics in the sensor to contribute to drift or mechanical degradation over time.
Features
  • Certified 0.25% and 0.5% accuracy 
  • 0.1" to 200"-H2O pressure ranges 
  • Optional FM approval for hazardous locations 
  • NEMA 4X metal construction 
  • Six types of output signals available 
  • 5:1 turndown option 
  • On-board voltage regulation allows use of lower cost, non-precise, unregulated power supply 
  • Hazardous environments
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The Ashcroft Industrial IXLdp was designed for the measurement and control of very low pressure and flow in industrial and process plant environments.

The Industrial IXLdp transmitter features a rugged NEMA 4X enclosure, built-in electrical terminal box isolated from the electronics and threaded process connections.

The Ashcroft IXLdp transmitter utilizes a state-of-the-art variable capacitance sensor with a glass-clad silicon chip.

The Si-GlasTM technology combines the high sensitivity of a variable capacitance transducer with the repeatability of a micromachined, single-crystal silicon diaphragm.

The Si-Glas sensor is composed of sputtered metals and glass molecularly bonded to silicon.

There are no epoxies or other organics in the sensor to contribute to drift or mechanical degradation over time.
Features
  • Certified 0.25% and 0.5% accuracy 
  • 0.1" to 200"-H2O pressure ranges 
  • Optional FM approval for hazardous locations 
  • NEMA 4X metal construction 
  • Six types of output signals available 
  • 5:1 turndown option 
  • On-board voltage regulation allows use of lower cost, non-precise, unregulated power supply 
  • Hazardous environments
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Specifications

Brand

Environmental Protection

  • IP66
  • NEMA 4X

Burst Pressure

  • psi: 50 (kPa: 344.7, bar: 3.44)

Humidity

  • 0 to 95 % Relative Humidity

Compensated Temperature

  • -18° to 71° C (0° to 160° F)

Response Time

  • 250 milliseconds
  • Fast Response: 8 milliseconds

NPT Connection

  • 1/4” NPT Female

Proof Pressure

  • psi: 20 (kPa: 137.9, bar: 1.37)

Enclosure, Body Material

  • 300 Series Stainless Steel

Damping Adjustment

  • 0 to 30 seconds

Pressure Range

  • Inches WC: 0 to 200

Current

  • Supply: 2.6 mA Typical for Voltage Output

Turndown

  • 5:1

Output

  • ± 2.5 Vdc, 3-Wire
  • ± 5 Vdc, 3-Wire
  • 0-5 Vdc, 3-Wire
  • 1-5 Vdc, 3-Wire
  • 1-6 Vdc, 3-Wire
  • 4-20 mA, 2-Wire

Static Pressure

  • Maximum

Update Time

  • Warm-Up Time: < 1 second

Pressure Type

  • Compound Pressure
  • Differential
  • Gauge

Vibration Effect

  • Sweep: < 0.2 % of Span/g (10 to 130 Hz)

Span & Zero Adjustments

  • ± 10 % of Full Scale

Electrical Connectors

  • Screw Terminal

Power

  • 12-36 Vdc

Diaphragm Material

  • Silicone

Span & Zero Effect

  • For ± 0.25 % Accuracy: ± 0.01 % of Span/°F
  • For ± 0.5 % Accuracy: ± 0.02 % of Span/°F

Media

  • Clean, Non-Corrosive Dry Gases

Mounting Position Effect

  • 0.1” WC: 0.8 % of Span/g
  • 0.25” up to 0.5” WC: 0.5 % of Span/g
  • 1” WC & Higher: 0.1 % of Span/g

NACE & NIST

  • NIST

Approvals & Certifications

  • FM

Operating Temperature

  • -29° to 85° C (-20° to 185° F)

Static Pressure Effect

  • < 0.5 % of Span

Storage Temperature

  • -40° to 98.8° C (-40° to 210° F)

Stability

  • Maximum

Accuracy

  • ± 0.25 % of Span
  • ± 0.5 % of Span

Electrical Protection

  • Reverse Polarity
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Applications

  • Building Energy Management
  • Comfort Control Systems
  • Fan Tracking
  • Filter Monitoring
  • Fume Hoods Control
  • Furnace/Stack Draft
  • HVAC Equipment
  • Laboratory / Clean Room / Hospital Room Pressurization
  • Laminar Flow
  • Leak Detection
  • Medical Equipment
  • Pollution Monitoring Equipment
  • Velocity Measurements
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