The analyzer that pays for itself in one month features an advanced galvanic trace PPM oxygen sensor proven to reliably analyze oxygen concentrations ranging from 200 PPB to 1% over a 24 month operating life, user friendly digital electronics, an integral stainless steel bypass sample system that enables the analyzer to come online at PPM levels in minutes and a compact robust enclosure selected for the demands of industrial field use.Calibration -3 month interval using certified span gas (preferred for fastest online time) or air with O2 approximating 80% of full scale range balance N2Flow sensitivity - none 2 scfh recommendedBarometric pressure and temperature compensationControls - water resistant keypad, menu driven range selection, calibration and system functions>0.995% over all ranges linearityResponse time - 90% of final reading in 10 secRecovery time - 60 sec in air to Stainless steel wetted partsLED indicators - low battery (72 hr, warning), charge modeSample system - flow control and sample/bypass valves, flow indicatorPressure regulate 5 - 30 psig to deliver 2 scfh flow to transmitter inlet and atmospheric ventSensor - model GPR-12-333 for non-acid (CO2) gas streams, 24 months expected life in Auto-ranging or manual lock on a single rangeArea classification - meets the recognized intrinsic safety standards for use in Class 1, Division 1, Group C and D hazardous areas12 months warranty
