Part No. GAUD-NIST NIST Traceable calibration of digital test gauge Easy to read digital display eliminates the uncertainty guessing where the pointer lies Features • ±0.25% full scale accuracy • 316 stainless steel wetted parts • Battery life of 2500 hours • Extruded aluminum case, polycarbonate cover • 1/4" Male NPT lower mount GAUD-NIST Specifications Gauge type Digital Ralston Instruments Inc. | ralstoninst.com | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480