Circular Chart Recorder, Product Type Circular Chart Recorders, Recorder Height 3.7 in, Recorder Width 3.7 in, Recorder Depth 2.3 in, Circular Chart Diameter 3 in, Minimum Temperature Measured Degrees F 22 Degrees F, Maximum Temperature Measured Degrees F 68 Degrees F, Parameters Measured Temperature Degrees C, Temperature Degrees F, Time Recorded 24 hr, 7 day, Accuracy Degrees F +/-2.0 Degrees , Maximum Relative Humidity Measured Not Applicable, Minimum Relative Humidity Measured Not Applicable