Morrison Bros 918S-1100 AA Single Channel Tank Alarm Box, Battery Powered

High level alarm box to monitor up to 1 tank with visual and audible alarms. Downloads: Spec Sheet IOM Manual Features: Part Number:  918S--1100 AA Series:  fig. 918 Manufacturer:  Morrison Bros Visual alarm indicators lights turn red identifying which input channel is alarming Self-powered by long-life replaceable lithium battery Monitor up to four sensor signals User-defined alarm labels NEMA 4X water-resistant enclosure Compatible with Morrison 918 clock gauges and 924, 924LS, and 925 level sensors Can be installed remote from gauge or level sensor Low battery light turns yellow indicating battery power is low 90 dB audible alarm at 4 feet Modular contacts make it easy to connect a variety of dry contact simple switch devices In compliance with UL 913 intrinsic safety standards Intrinsically safe for Class I, Division 1 and 2, Group D hazardous locations Internal ON/OFF power switch ON/OFF switch for audible alarm ON/OFF switch for auto-silence mode Normally open or normally closed