TEI 43 SpecificationDescriptionRange:0-10, 20, 50, 100, 200, 500, 1000, 2000, 5000 and 10,000 ppmSignal Averaging time:10 sec.Noise:250 ppbDetection Limit:2 ppmZero Drift:1 ppm per dayPrecision:1% of reading or zero noiseLinearity:± 1% of full scaleSpan Drift(24 hr.)± 1% per dayAnalyzer Response Time:80 sec.Sample flow Rate:0.6-1.0 liters/min.Operating Temperatures:0-45°CPower Requirements:90-100 VAC 500 wattsPhysical Dimensions:16¾ in.(w)x 8¾ in.(h)x 23 in.(l)Weight:44 pounds USStandard Outputs:4 outputs with selectable voltage, 3 current outputs, RS-232/485 interface