Morrison 918 Alarm box only, gauge not included.

Works with the Morrison 918-0100xx Gauge.

Standard Features 

Visual alarm indicators lights turn red identifying which input channel is alarming

Self-powered by long-life replaceable lithium battery

User-defined alarm labels

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 selectable by input channel