TheCTH200thermo-hygrographisaneconomical,self-containedrecorder.Theusercansetthechartspeedatonerevolutionforevery1day,8days,or32days.Simultaneoustemperatureandhumidityreadingsareplottedontheeasy-to-read,165mm(6.5"),circularchart.Designedforwall-mountedoperationinavertical,uprightposition,theCTH200comeswitheasilyreplaceablechartsandrecordingpens.TheCTH200usesthesamepensandchartpaperastheCTH100Series.PartNumberDescriptionCTH200-FCircularchartrecorder°FCTH200-CCircularchartrecorder°CChartpaperandAccesoriesCTH100-C-1D-FChartpaper°F-1dayCTH100-C-8D-FChartpaper°F-8dayCTH100-C-32D-FChartpaper°F-32dayCTH100-C-1D-CChartpaper°C-1dayCTH100-C-8D-CChartpaper°C-8dayCTH100-C-32D-CChartpaper°C-32dayCTH100-PENSETReplacementpenset-OneRedandOnebluepenCTH100-STANDStandforCTH100MS-1001ReferenceBook:Heating,Ventilating,andAirConditioning)