

The Ashcroft® 1490 diaphragm gauge is an economical solution for low pressure measurement.
Key Features
FlutterGuard™ option to reduce movement wear and eliminate pointer flutter
Case is suitable for intermittent or continuous services on natural gas
Easy access window allows for minor span adjustments
Markets & Applications
HVAC-R
Filter Monitoring
Machine Automation
Industrial Ovens
Leak Detection
Hydrogen and Technical Gases
Pumps and Compressors
Air Compressors
Vacuum Pumps
Accuracy
2-1-2% of span (ASME B40.100 Grade A)
Pressure Type
Gauge pressure
Case Style
Open front case
Process Connection Style
Tube stub male
Threaded
Dampening
FlutterGuard™
Mounting
Stem
Flush
Process Connection Location
Centre back
Lower
Case or Body Material
Glass-filled polysulfone
Ingress Protection
IP54
Wetted Parts Material
Diaphragm Beryllium copper, socket brass
Ranges
25 ... 1000 mbar / 10 in.H2O ... 15 psi
Dial Size
2 1/2"
3 1/2"