0-50ppb to 20,000 ppb ranges as SO > 2 ,user selectable Microprocessor controlled for versatility Multi-tasking software allows viewing of testvariables during operation > 2 Auto Ranging, Dual Range and remoterange selection > 2 Continuous self checking with alarms Dual Bi-directional RS232 ports for remoteoperation (optional RS-485 or Ethernet) Digital Status outputs provide instrumentoperating condition Internal Data logging with 1 min to 365 daymultiple averages Continuous Automatic Zero correction Adaptive signal filtering optimizes responsetime Temperature & pressure compensation Critical orifices provide flow stability APIcom remote operation software >

Ranges:0-50 ppb to 0-20,000 ppb full range as SO > 2 , userselectable; Dual ranges and auto rangingsupportedUnits:ppb, ppm, g/m > 3 , mg/m > 3 Zero Noise:<0.2 ppb (RMS) Span Noise:<0.5% of reading (RMS) above 50 ppb Lower Detectable Limit (LDL):0.4 ppbZero Drift:<0.5 ppb/24 hours, 1 ppb/7 daysSpan Drift:< 0.5% of reading/24 hours, 1% reading/7 days Lag Time:20 seconds Rise and Fall Time:<120 seconds to 95% Linearity:1% of full scale Precision:0.5% of readingSample Flow Rate:650 cc/min ձ10%Operating Temperature Range:5 - 40˚C Minimum Conversion Efficiency:H > 2 S: 98%, COS: 90%, CS > 2 : 90% Dimensions(HxWxD):7...