Ashcroft A4A is a high-performance high-precision pressure gauge that is an ideal product for testing, calibrating, and validating system applications.
Price:
20-30
MOQ:
1
Delivery Time:
5-7 WORK DAYS
Brand:
Ashcroft
Product Description
Ashcroft A4A Precision Pressure Gauge
High-performance, high-precision pressure gauge ideal for testing, calibrating, and validating system applications.
Typical Applications
- Test Laboratories
- Precision Test and Measurement Validation
- Calibration Laboratories
Key Specifications
Accuracy: ±0.1% of span (ASME B40.100 Grade 4A)
Includes NIST Traceable Calibration Certification
Includes NIST Traceable Calibration Certification
Dial Sizes: 6˝, 8½˝, 12˝, 16˝
Pressure Ranges: Vacuum, Compound to 10,000 psi
Absolute pressure available
Absolute pressure available
Repeatability: ±0.02% of span
Hysteresis: <0.1% of span
Sensitivity: 0.01% of span
Process Connection Options
| Connection Type | Details |
|---|---|
| ¼ NPT Female | bottom |
| 1⁄8 NPT Male or Female | back or bottom |
| ¼ NPT Male or Female | back or bottom |
| 9⁄16-18 UNF-2B Female | for ¼ HP tubing |
| MS33649-4 Female only | back or bottom |
| MS33656-4 Male only | back or bottom |
| MS-16142 Female only | back or bottom |
| Mil-G-18997D Male only | back or bottom |
Pointer Travel Specifications
- 350°: up to 30,000 psi
- 300°: 40,000 to 50,000 psi
- 270°: 60,000 through 100,000 psi
Wetted Components
| Pressure Range | Bourdon Tube | Process Connection |
|---|---|---|
| 0/15 psi through 0/40 psi | Beryllium copper | |
| 0/50 psi through 0/100,000 psi | 403 SS | 303 SS |
Non-Wetted Components
| Case Material | Enclosure Rating |
|---|---|
| Cast aluminum, solid front, blow out rear cover; Integral panel mounting flange | Case is not sealed, recommended for weather protected environment only |
Optional Features
- Temperature Compensation: -25°F to 125°F
- Peak Load Indicator: 6", 8½", 12", 16"
- Wall Mount: 6", 8½", 12", 16"
- Consult Factory For: Special cleaning for Oxygen Services, Special scale and Calibration options, Slotted Link options, and Dual Scale options
Key Benefits
- Epoxy-coated system for corrosion resistance
- Rugged SS construction
- Integral span adjustment
- Compact design
Additional Specifications
Standard Inlet Fittings: ¼ NPT Female back connection for ranges up to and including 10,000 psi.
Ranges greater than 10,000 psi: 9⁄16-18 UNF Female compatible with AND10050-4, Aminco 45-11310 and Autoclave F-250-C.
Mounting Options
Integral panel mount or optional wall mount bracket
Available Options
- Thermal Compensation: Bimetallic compensator corrects effects of ambient temperature on bourdon tube to maintain accuracy between -25°F and +125°F
- Slotted Link: Protects gauge movement from damage caused by sudden release of pressure, such as burst testing applications
- Peak Load Indicator: "Max Hand" red pointer which remains in position after being pushed by the primary pointer. External knob allows for manual reset.
- Custom Scales: Special units of measure and dual scales can be customized to meet customer requirements.
- Hand Carry Case: Sturdy lightly padded case for storage and hand carry of gauge. Not suitable for use as stand alone shipping container.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shaanxi Qindiyuan Environmental Protection Equipment Co., Ltd.
Location
F1-803, Guorun Silu Jin Rong Zhongxin, Qindu District, Xianyang City, Shaanxi Province
Contact Person
Leon