Computech Digital Thermo/Hygrometer and Holosteric Barometer
Measuring range: temperature, 32 to 110 degrees F; relative humidity, 5% to 95%. Accuracy: temperature, +/- 2 degrees; relative humidity, +/- 4% from 10% to 90%. Resolution: temperature, .1 degree; relative humidity, .1%. Response time is approximately 2 minutes and the unit offers excellent repeatability. These are essential Computech Systems race car parts.
The dial face has a resolution of .05 inches and its precise movement is housed in a gold finished metal case.