GL42 Indicating Differential Pressure Transmitter

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.

Key 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

Process Applications:
Building Energy Management
Comfort Control Systems
Critical Environments
Fume Hood Control
Laboratory / Clean Room
Hospital Room Pressurization
Filter Monitoring
Laminar Flow
Flow Measurement


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Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.

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