This analyzer features an advanced galvanic trace PPM oxygen sensor capable of precisely measuring oxygen concentrations ranging from 0.01 PPM to 1% over a 18 month operating sensor operating life, menu driven controls, two field selectable alarm set points.Calibration - air or certified span gas of O2 balance N2Flow sensitivity - 1 - 5 scfh, 1 - 2 scfh recommendedBarometric pressure and temperature compensationControls - menu driven range selection, calibration and system functions>0.995% over all ranges linearityResponse time - 90% of final reading in 10 secStainless steel wetted partsPressure regulate 5 - 30 psig to deliver 1 - 2 scfh flow to transmitter inlet and atmospheric ventSensor - model XLT-12-333 for gases containing >0.5% CO2, 24 months expected life at 25 deg C, 1 atmosphere and 12 months warranty timeAlarm type - two user configurable, relays rated 3 A at 100 VAC, time delays, bypass, power and system failureExclusively for natural gas applications12 months warranty. Brand Name|Advanced Instruments#MFR Part Number|GPR-1500 AIS UL#UNSPSC|41113110#Item|Oxygen Analyzer#Type|Intrinsically Safe#Series|GPR-1500 AIS#Accuracy|<2%#Detection Range|0 - 10 PPM, 0 - 100 PPM, 0 - 1000 PPM, 0 - 1% and 0 - 25%#Alarm Type|Two User Configurable#Signal Output|4 - 20 mA#Process Connection|1/8 Inch Compression Tube#Display|0.01 PPM Resolution 2-3/4 x 1-3/8 Inch Graphical LCD#Pressure Rating|5 - 30 psig#Operating Temperature|-10 to 45 deg C#Enclosure Type|NEMA 3R, Explosion Proof#Material|Aluminum/Fiberglass#Dimensions|16 x 9 x 6 Inch#Process Application|Oxygen Analysis in inert, hydrocarbon, hydrogen, mixed and acid (CO2) gas streams#Standard/Approvals|CE Certified, ISO Certified, UL Class 1, Division 1, Group C and D