Industrial Scientific’s Tango™ TX1 single-gas monitor offers a three-year runtime and patent-pending DualSense™ Technology, which increases worker safety, regardless of bump test frequency, while reducing overall maintenance costs. The Tango detects carbon monoxide (CO), hydrogen sulfide (H2S), sulfur dioxide (SO2) and nitrogen dioxide (NO2). Its revolutionary patent-pending DualSense Technology includes two of the same type sensor for the detection of a single gas. Single-gas monitor

Industrial Scientific Corp., www.indsci.com/tango, (800) DETECTS. Circle 262