HEAVY DUTY DIGITAL PRESSURE GAUGES ±0.25% Test Gauge Accuracy 316 Stainless Steel Wetted Parts Zero and Span Potentiometers Fast 33 Times per Second Display Update Series B - Battery-Powered Gauges Battery life up to 2500 hours in 3-1/2 digit ranges; 500 hours in 4 digit ranges Low battery indicator: 5-minute auto shutoff to conserve battery life Powered by (2) AA batteries (included): easy-to-find NEMA 4X Versions Available Compound Range Version Series L - Loop-Powered Gauges 2-wire design powered by 4-20 ma current loop Operated on 8 to 32 VDC Reverse polarity protected TEST button to check loop operation 3-foot, 2-wire electrical connection NEMA 4X Versions Available Series D - AC/DC Powered Gauges Powered by 8 to 24 VAC, 50/60 Hz or 9 to 32 VDC, 5 mA max 3-1/2 digit ranges have on-off button 3-foot, 2-wire electrical connection NEMA 4X Versions Available
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