Heavy duty digital pressure gauges 0.25 percent 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.

Heavy duty digital pressure gauges 0.25 percent 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