Available for flammable, oxygen and toxic gases, Crowcon’s Gasman single-gas detector features high impact resistance and ingress protection to IP67. Weighing just 3.7-4.6 oz. (105-130 g) depending on sensor type, the durable unit withstands very high radio frequency levels, helping to protect against false alarms. Gasman incorporates a 95 dBA alarm and visual and vibrating alarms. Crowcon Detection Instruments, Erlanger, KY. www.crowcon.com