Extech CO220 Calibrators

Natural Gas, Carbon Monoxide & Refrigerant Detectors; Type: CO2 Detector; Function: Carbon Dioxide Monitor; Alarm Type: Audible; Minimum Temperature: -10 0C; 14 0F; Maximum Temperature: 60 0C; 140 0F; Standards: CE; Height (Decimal Inch): 6.1 in; 155 mm;