Nitrogen Calibration Sources with Gauge Connection Self contained nitrogen source includes all connections and hoses to connect directly to a pressure gauge or calibrator Features • Proprietary pressure balanced fine adjustment piston allows for extremely precise, finger-tip control of pressure at 0.03 psi (2 mbar) or 3000 psi (210 bar) or any range in between. • Easily refillable nitrogen cylinder holds enough gas for multiple calibrations • Nylon bag to hold hose and fittings attached to inside of lid • Includes storage compartment in control panel for pressure reference test gauge • Low volume Quick-test hose, gauge adapter and process connection can be attached to NPAK without thread sealant or a wrench • Designed to meet US Department of Transportation (DOT) and Canadian Transport Canada (TC) standards • CE Approved for use in European Union - Designed to meet Pressure Equipment Directive (PED) and Transportable Pressure Equipment (TPED) standards Nitrogen Calibration Sources with Gauge Connection • Made in USA Select a model for more information Model Pressure Range Gauge Adapter Gauge Included Hoses Included (2) Hose Adapters (2) NPAK-1MBA-6-3 0 - 3000 PSI 1/8" Male NPT None 6 ft, 3 ft 1/4" Male NPT NPAK-2MBA-6-3 0 - 3000 PSI 1/4" Male NPT None 6 ft, 3 ft 1/4" Male NPT NPAK-2FBA-6-3 0 - 3000 PSI 1/4" Female NPT None 6 ft, 3 ft 1/4" Male NPT NPAK-2FBA-RG-2m1m 0 - 3000 PSI 1/4" Female BSPP None 2 m, 1 m 1/4" Female BSPP NPAK-3FBA-RG-2m1m 0 - 3000 PSI 3/8" Female BSPP None 2 m, 1 m 1/4" Female BSPP NPAK-4FBA-RG-2m1m 0 - 3000 PSI 1/2" Female BSPP None 2 m, 1 m 1/4" Female BSPP Ralston Instruments Inc. | ralstoninst.com | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480