Ralston NPAK-2FBA-6-3 Nitrogen Pressure Calibrator
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Ralston NPAK-2FBA-6-3 is a portable nitrogen pressure calibrator with integrated storage cylinder, precision regulator, and volume controller for pressures up to 3000 psi.
Product details
| Model | NPAK-2FBA-6-3 |
| Manufacturer | Ralston Instruments |
| Category | Pressure Calibrators |
| Availability | Made to order |
Description
Overview
The Ralston NPAK-2FBA-6-3 is a portable nitrogen pressure calibrator designed for field calibration of differential and static pressure instrumentation. It combines an on-board storage cylinder with a nitrogen pressure regulator and precision volume controller, enabling fast and accurate pressure control up to 3000 psi without pumping or leaky connections. The system requires no electronics, making it ideal for hazardous location use.
Key Features
- Integrated nitrogen storage cylinder for day-long operation without refueling
- Precision volume controller for extremely fast and accurate pressure adjustment
- Fine adjustment piston control for differential calibrations up to 400 inH₂O
- Full pressure range via internal cylinder storage from 400 inH₂O to 3000 psi
- Organized carrying case with integrated storage for hoses, adapters, and pressure gauge
- Lightweight carbon fiber cylinder and ABS plastic case with ergonomic handle
- No electronics—suitable for North American Class 1 Division 1&2, ATEX, and IECEX hazardous locations
- Made in USA
Applications
- Field calibration of differential and static pressure gauges and transmitters
- Calibration in hazardous locations and remote areas
- Field service and mobile calibration applications
Included Accessories
- Reference connection: 1/4" female NPT to female Quick-test, no check-valve, brass
- Process connection: 1/4" male NPT to male Quick-test, no check-valve, brass (qty 2)
- Quick-test hose 6 ft (1.83 m) long with brass ends, rated to 6900 psi
- Quick-test hose 3 ft (92 cm) long with brass ends, rated to 6900 psi
Specifications
| Max Pressure | 3000 psi (200 bar / 20 MPa) |
| Max Vacuum | 10 inHg (33.9 kPa) |
| Operating Temperature Range | 0°F to 140°F (-18°C to 60°C) |
| Pressure Media | Nitrogen, inert gas |
| Fine Adjustment Resolution | 0.0005 psi |
| Cylinder Capacity | 15.20 cu ft (compressed gas) |
| Overpressure Relief Setting | 3300 psi (230 bar / 23 MPa) |
| Reference Connection | 1/4" female NPT x female Quick-test, brass |
| Process Connection | 1/4" male NPT x male Quick-test, brass |
| Case Materials | ABS Plastic, Aluminum, Anodized Aluminum, Brass, Stainless Steel, Nylon |
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Ralston NPAK-2FBA-6-3 Nitrogen Pressure Calibrator
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