GfG Instrumentation Inc.
GfG's G450 AutoCal® series is designed to be easy to operate, read, and carry in both confined spaces and open areas. This compact and lightweight four-gas detector continuously measures CO, H2S, O2, and combustibles in ambient air. The device has a large invertible display, automatic calibration, and a 103-dB buzzer. It weighs 10 ounces. Booth 938.