Microtector G333. Weight: 385 g. Measures up to gases at a time. 3 alarm thresholds for every gas, plus long-term/short-term, peak/minimum value memory. Automatic zero point adjustment. Ex-protection ATEX: II 2G EEx ib IIC T4. Function test: IBS/PFG-no. 413000498. Graphic alpha numeric illuminated display. Alarms: visual and audible. Temperature: -10 ~ +50°C. Dimensions: 59 x 120 x 34 mm.