With 1% accuracy (Class 1) calibration. Large 3-1/8″ gauges are housed in a red or blue steel case with front recalibrator screw. High visibility colored temperature scales are easy to read through the full view polycarbonate crystal.
3-1/8″ (80 mm) Dry Manifold Gauges (°F and °C) Red/Blue and Black
![](https://yellowjacket.com/wp-content/uploads/2015/02/318-80-mm-dry-manifold-gauges-red-blue-and-black-968x536.jpg)