Rugged high-quality pressure gauge calibrator for fast accurate test results. 2000 PSIG. Absolute pressure measurement ranges 15, 30, 100, 300 psia Reference class gauge accuracies to 0.04% of reading Easy to use, rugged construction for reliable performance ATEX: rating II 3 G Ex nA IIB T6 Accuracy to 0.05% of full scale Certified intrinsically safe as per CSA Class 1, Div 2, Groups A-D rating and ATEX II 3 G Ex nA IIB T6 rating Precision pressure measurement from "10 inH2O to 10,000 psi (20 to 690 bar)