There are many processes where even the slightest presence of oxygen can have a disastrous effect on process yield or product quality. With the DF 300 series family of oxygen analyzers, you have access to accurate, sensitive and rapid O2 analysis in your application. DF 300 Series analyzers are used in everything from harsh and hazardous petrochemical processes to glove box applications. The DF 300 family has the flixibility to meet the needs of industries that include semiconductor, hydrocarbon processing, chemicals, oil and gas, pharmaceuticals, and more. DF-300E Series Full featured, microprocessor-based line that offers superior value - DF-310E – base model, high res or standard; 25% to 50 ppm, options - DF-320E – a 310E Class 1, Div 2; hazardous area certifications - DF-330E – based on solid state coulometric sensor – very fast response - DF-340E – a 310E in a gasketed NEMA 4 enclosure - DF-370E – a 310E explosion proof enclosure; NEMA 7 & remote NEMA 7 sensor