Model SADPminiExFeatures:Certified Intrinsically Safe for use in explosive atmospheres: II 1G EEx ia IIC T4 (Ta -20 C to +50 C)User Selectable Units - C, F, ppm(v), ppb(v), ppm(w), g/m3, lbs/MMSCFDesiccant Dry Down Assembly for Quick MeasurementsReal Time Graphic Logging to PCAdvanced DATA Logging PC DownloadRS485 Serial Communication4-20mA Analogue OutputElectronic Automatic CalibrationPressure Correction ComputationVarious Ranges between -110 C to + 20 C dewpointTrue Hand Held Portable DeviceFully Self-ContainedUser FriendlyMulti-Level Security to Prevent Unauthorised TamperRobust Ergonomically Designed Custom Housing