Ralston Instruments NPAK-3KPSIG-FL FieldLab Pressure Calibration Kit
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Ralston Instruments NPAK-3KPSIG-FL is a portable nitrogen calibration kit with integrated FieldLab digital gauge, 3000 PSI capacity, and hazardous location certification.
Product details
| Model | NPAK-3KPSIG-FL |
| Manufacturer | Ralston Instruments |
| Category | Digital Pressure Gauges |
| Availability | Made to order |
Description
Overview
The Ralston Instruments NPAK-3KPSIG-FL is a portable nitrogen pressure calibration kit with integrated FieldLab digital pressure gauge. Designed for both differential and static pressure instrumentation calibration, it features an on-board nitrogen cylinder, pressure regulator, and precision volume controller. The kit supports pressures up to 3000 PSI (210 bar) and is ideal for remote field locations with its portable, all-in-one design.
Key Features
- Portable nitrogen pressure source with refillable cylinder — fill at shop, enough gas for a day or more
- FieldLab digital pressure gauge integrated for convenient pressure reading and data logging
- Precision volume controller with fine adjust piston for pressure resolution to 0.0005 PSI (0.00 mbar)
- Quick-test connections that attach without thread sealant or wrench
- Included storage compartment in control panel for organizing hoses, adapters, and gauge
- Excellent for hazardous locations — no electronics in main unit, suitable for Class 1 Division 1/2, ATEX Zone 0/1/2
- Carbon fiber cylinder and ABS plastic case with ergonomic handle for easy portability
- Maximum pressure: 3000 PSI (200 bar / 20 MPa)
- Operating temperature range: 0°F to 130°F (-18°C to 54°C)
Applications
- Field-based calibration of differential and static pressure instruments
- Remote location calibration operations
- Hazardous location pressure testing
- Portable calibration laboratory setup
Included Accessories
- FieldLab digital pressure gauge, 3000 psi / 200 bar / 20 MPa with female Quick-test bottom connection
- 1/4" male NPT x male Quick-test process connection (qty 2), no check-valve, brass
- Quick-test 6900 psi hose with brass ends, 6 ft (1.83 m) long
- Quick-test 6900 psi hose with brass ends, 3 ft (92 cm) long
- FieldLab AC Power Charger Kit
- USB cable, Straight A x Right Angle B, shielded, 2 meters long
- FieldLab Carrying Case
- ISO 17025:2017 Accredited Calibration Certificate for FieldLab
Specifications
| Maximum Pressure | 3000 PSI (200 bar / 20 MPa) |
| Maximum Vacuum | 10 InHg (33.9 kPa) |
| NPAK Operating Temperature Range | 0°F to 140°F (-18°C to 60°C) |
| Fine Adjustment Resolution | 0.0005 PSI (0.00 mbar) |
| Mechanical Rotation | 42 turns (pressure balanced) |
| Cylinder Capacity | 15.20 Cu Ft (compressed gas) |
| Overpressure Relief | 3300 PSI (230 bar / 23 MPa) |
| Internal Connections | 1/8 in tubing (316 stainless steel) |
| Process Connection | 1/4" Male NPT |
| Pressure Media | Nitrogen, inert gas, air, natural gas |
| Materials | ABS Plastic, Anodized Aluminum, Stainless Steel |
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Ralston Instruments NPAK-3KPSIG-FL FieldLab Pressure Calibration Kit
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