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
Applications:
Process Applications:
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
Specifications
Certifications & Approvals
Data Sheets & Instruction Manuals
Drawings & Product/Technical Information
Reference Temperature
77°F (25°C)
Accuracy
±0.5%, ±1.0% of span (Terminal Point Method: includes non-linearity, hysteresis, non-repeatability, zero offset and span setting errors)
Stability
±0.5% Span/year at reference conditions
Pressure Connection
1/8 NPT Female, 1/4 Barbed Male
Pressure Ranges
±0.10 in. H2O to ±15.00 in. H2O (bidirectional)
0.10 in. H2O to 25.00 in. H2O (unidirectional)
Wetted Material
Media: Clean, dry air/gases compatible with Aluminum, Titanium, PBT, Buna, Glass, Gold, Silicone Rubber, Silicon, Silicone RTV & Brass. NOT FOR USE WITH LIQUIDS
Non-Wetted Materials
Enclosure: Nylon
Outputs
4-20 mA
Enclosure Ratings
IP65
Mounting
Wall mount, DIN rail or panel mount
Certifications & Approvals
CE
UKCA
Instruction Manuals:
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Resources & Tools
Materials Selector
Use the selector to review compatible wetted materials and requirements of your application.
Unit Converter
Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.
Product Information
To learn more about the technical details for options available, review our product information (PI) pages.
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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.