· Multi-gas leak detection in industries such as chemical, food and beverage, oil and gas (downstream) Detector Specifications. Size. x x in (140 x 84 x 42 mm) Weight. 14 oz (400 g) Sensor. Over 30 interchangeable and field-replaceable sensors including PID for VOCs, EC for Toxic and O2, Pellistor for LEL, and NDIR for LEL and CO2.