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A4A Precision Pressure Gauge
Brand: Ashcroft Inc
Does not ship to OH, United States
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.
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
Specifications
Brand
Accuracy
- ± 0.1 % of Span (ASME B40.1 Grade 4A)
Hysteresis
- < 0.1 % of Span
- Hysteresis may exceed ±0.1% of span for ranges equal to greater than 75,000 psi (±0.3% typical not to exceed ±0.4% of span)
Case Size
- 6", 8.5", 12", 16"
Mounting
- Intregal Panel Mount
- Wall Mounting Bracket Optional
Process Connection
- 9/16"-18 UNF Female-2B
- 1/4" Female NPT
- 1/8" NPT Female or Male
- 1/4" NPT Female or Male
- MS33649-4 Female Only
- MS33656-4 Male Only
- MS-16142 Female Only
- Mi-G-18997D Male Only
Process Connection Location
- Back, Bottom
Pressure Range
- Gauge, Compound, Vacuum & Absolute Vacuum to 100,000 psi
Pointer Travel
- 350 Degrees up to 30,000 psi
- 300 Degrees 40,000 to 50,000 psi
- 270 Degrees 60,000 thru 100,000 psi
Materials of Construction
- Bourdon Tube: 403 Stainless Steel, Beryllium copper
- Inlet Fitting: 303 Stainless Steel
Approvals & Certifications
- NIST traceable calibration certificate
- ISO 17095 calibration certificate are available up to 12,000 psi (OPT.)
Case Style
- Solid Front
Case Material
- Cast Aluminum
- Test Laboratories
- Precision Test & Measurement Validation
- Calibration Labs
