GASMAN
CEA Instruments, Inc.: Shirt-pocket-size personal gas monitor for carbon monoxide. The unit has a back lighted digital display and is supplied with adjustable audible and visual alarms. Water- and dust-resistant. RF- shielded. Nine ounces. Can use AA powered or rechargeable batteries for 700 hours operation. Optional accessories include carrying case, aspirator, and battery charger. (201) 967-5660.