Circular Chart Recorder Temperature Chart Size (In.) 6 Recording Time (Day) 1 or 7 Temp Range -100 Degrees to 0 Degrees F/C -50 Degrees to 0 Degrees F/C -50 Degrees to 50 Degrees F/C 0 Degrees to 50 Degrees F/C 0 Degrees to 100 Degrees F/C 0 Degrees to 250 Degrees F/C 0 Degrees to 500 Degrees F 50 Degrees to 100 Degrees F/C Relative Humidity Range 0-95 Percent RH Non-Condensing Remote Probe Yes Alarm No Display Yes Digital Readout No