Ashcroft Low Differential Indicating Pressure Transmitter, Model GL42
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GL42 Indicating Differential Pressure Transmitter

Brand: Ashcroft Inc
Does not ship to OH, United States

The Ashcroft® GL42 low differential indicating pressure transmitter is used for measurement and control of extremely low pressures and flow.

A variable capacitance sensor with patented Si-Glas™ technology, ensures high sensitivity and performance.

The GL42 provides both local and remote readings and reliable low pressure measurement in HVAC/R and other critical environments.

Features
  • Field selectable units of measure
  • Large, field-adjustable 4-digit LCD display
  • Adjustable display response time
  • Excellent overpressure protection
  • Ranges available down to 0.1 in. H2O
  • CE Mark standard

Specifications

Brand

Accuracy

  • ± 0.5 % of Full Scale
  • ± 1 % of Full Scale

Stability

  • ≤ 0.5 % of Span Per Year

Repeatability

  • ≤ ± 0.1 % of Span

Pressure Range

  • ±0.10 to ±15.00 in. H2O (bidirectional)
  • 0.10 to 25.00 in. H2O (unidirectional)

Process Connection

  • 1/4" Barbed Fitting Male
  • 1/8" NPT Female

Display

  • 4-Digit LCD

Operating Temperature

  • -20° to 70° C (-4° to 158° F)

Compensated Temperature

  • 2° to 54° C (35° to 129° F)

Storage Temperature

  • -40° to 90° C (-40° to 194° F)

Humidity

  • 10-90% R.H. Noncondensing

Output Signal

  • 4-20 mA, 2-Wire

Materials of Construction

  • Cable Connection Socket: Nylon
  • Polyester Foil (Front)

Thermal Coefficients

  • Zero & Span: ±0.06% of Span/°K

Burst Pressure

  • psid: 25 (kPa: 170, bar: 1.7)

Mounting

  • Wall Mounted Standard

Media

  • Clean, Dry & Non-Corrosive Gases

Enclosure Material

  • Nylon

Proof Pressure

  • psid: 14.5 (kPa: 100, bar: 1)

Environmental Protection

  • IP65

Approvals & Certifications

  • CE EN 61000-4-2, EN 61000-4-3
  • RoHS

Supply Voltage

  • 19-36 Vdc (Nominal 24 Vdc)
  • Nominal 24 Vdc

Electrical Connection

  • 1/2" Female DIN Cable Conduit
  • PG9 Cable Gland (optional)

  • HVAC/R
  • Building Energy Management
  • Comfort Control Systems
  • Critical Environments
  • Fume Hood Control
  • Laboratory / Clean Room
  • Hospital Room Pressurization
  • Filter Monitoring
  • Laminar Flow
  • Flow Measurement

Documentation

Data Sheet

Instruction Manual

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