The EntryRAE confined space entry monitor is a four gas monitor plus photoionization detector (PID) available from RAE Systems. It measures combustibles, carbon monoxide, and hydrogen sulfide. It is simple to operate and easy to calibrate. Automatic datalogging is included. It features bright red flashing LED and audible alarms and offers up to 16 hours of continuous operation. Optional accessory kits are available with a hard transport case, toolkit, and sampling wand. For more information visit www.raesystems.com or call (877) 723-2878.