
The Ralston FieldLab is a laboratory-grade portable pressure meter calibrator designed for field calibration testing while maintaining lab-quality standards. It logs readings from both reference and test devices simultaneously, providing real-time tolerance feedback.
Key Features:
• Dual-reading snapshot logging with real-time tolerance feedback; exports results as PDF or CSV
• Precision PSV testing per ASME Section 8 for crack and seat tightness tests
• Intrinsically Safe rated for hazardous locations (global explosive atmospheres)
• Continuous data logging for up to three months on a single charge; stores 3.9 million data points
• Multi-unit engineering support with one-button pressure/vacuum unit conversion
• Custom reusable test templates for workflow standardization
• Rugged field design for extreme temperature operation
• Wireless option for remote testing with direct laptop data transfer
The Ralston FieldLab Pressure, 500 PSI / 35 Bar / 3.5 MPa, 1/4" Male NPT Bottom Connection # FLP1-GN-2M is manufactured by Ralston Instruments. Valley Instrument Service is an authorized Ralston Instruments dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681Select options below to build your part number and see pricing.
Select a pressure range to start configuring.

(1) 1/8", (1) 1/4", (1) 1/2" FNPT Quick-Connect S.S. x Male Quick-Test XT Adapters, Nylon Bag

(1) DPPV Pressure Check Valve Assembly, (1) DPPV Vacuum Check Valve Assembly, Brass

(1) HP, XH Liquid Reservoir Gasket

1/16" Male NPT x Male Quick-Test, No Check-Valve, Brass