Sealed battery compartment of noncontact Raynger ProPlus Model ST80-IS prevents sparks; entire unit carries FM approval for operation in potentially explosive and flammable environments. Thermometer senses across distances 50 times greater than target size; measures -25 to +1,400°F with 1% accuracy; and shows readings on backlit display. Laser sighting system helps pinpoint distant targets. Datalogger stores readings from 12 locations. Other standard features include low-battery indicator, high/low alarms, and adjustable emissivity.