A4A Precision Pressure Gauge
The Ashcroft® A4A precision dial pressure gauge is known for high accuracy and performance. An ideal product for use with test, calibration and validation systems.
Key Features:
- Accuracy 0.1% of span
- Gauge, Compound and Vacuum ranges
- Pressure ranges 15 to 100,000 psi
- Mirror-band dial and knife-edge pointer eliminates paralax error while
assuring easy readability of precise measurements - Solid-front case design and blow-out safety back protect users from
extreme overpressure - Optional Slotted link – protects gauge from sudden decrease in pressure
- Optional Thermal Compensation – to maintain accuracy over a wide
temperature range from -25° to +125°F
Applications:
Industrial Market:
Test Laboratories
Precision Test and Measurement Validation
Calibration Laboratories
Specifications
Certifications & Approvals
Data Sheets & Instruction Manuals
Drawings & Product/Technical Information
Size
12"
16"
6"
8 1/2"
Accuracy
±0.1% of span accuracy (ASME B 40.100 Grade 4A)
Process Connection
¼ Female NPT back connect up to 10,000 psi
9/16-18UNF-2b Female back connect above 10,000 psi
See data sheet for bottom connect and other connection sizes
Process Connection Location
Back
Bottom
Window
Polycarbonate
Safety Glass (OPT.)
Pressure Ranges
Gauge, compound, vacuum and absolute Vacuum to 100,000 psi (absolute requires user adjustment to compensate for atmospheric pressure)
Case Style
Solid Front
Weather Protection
Case not sealed, recommended for weather protected environment only
Certifications & Approvals
ISO 17095 calibration certificate are available up to 12,000 psi (OPT.)
NIST traceable calibration certificate
Data Sheets:
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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