Profile: RKI Instruments, Inc. specializes in offering gas detection equipments. The GX-2003 is a portable multi gas detector. It features three operating modes such as normal, bar hole & leak check, internal sample drawing pump with up to 40 feet range, automatic backlight during alarms, autocalibration or single calibration and leak detect mode. It is ideal for personal monitoring, confined space entry, refiniers, chemical plants and fire services. Beacon 110 is a single channel wall mount controller for one point of gas detection. It is microprocessor controlled, versatile, simple to install & operate. It is capable of accepting sensors directly for LEL level combustibles, oxygen, hydrogen sulfide, or carbon monoxide. It can also accept any 4-20 mA transmitter (2 or 3 wire, 24 VDC). Sensors can be mounted directly at the housing, or can be wired remote from the controller.