Meriam ZM2001X-DI0015 Intrinsically Safe Rotary Gas and Liquid Meter Tester, Isolated, -14.5 to 15 PSID (differential) (415.6 inH2O), 0.025% accuracy

Intrinsically Safe M2001 Rotary Gas and Liquid Meter Tester, Isolated, -14.5 to 15 PSID (differential) (415.6 inH2O), 0.025% accuracy, includes Z1065 NIST Calibration Certificate with Data, 3-valve stainless steel manifold