Yellow Jacket 49138 3-1/8" Dry Manifold Gauge, Blue, 30" -0-350 psi, R-22/404A/410A Heating & Cooling or it may be paired

or it may be paired with a mobile device (using the free CPS Link app) for greatly enhanced jobsite capabilities

Storage Temperature:  -4°F to 140°F (-20°C to 60°C)

Flutterless™ technology with brass surge protector to minimize needle pulsation

Remove pulleys or sheaves

4xAAA batteries

Yellow Jacket 49138 3-1/8" Dry Manifold Gauge, Blue, 30" -0-350 psi, R-22/404A/410A Heating & Cooling or it may be pairedYellow Jacket 49138 3 1 8" Dry Manifold Gauge, Blue, 30" 0 350 psi, R 22 404A 410A 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. Flutterless technology with brass surge protector to minimize needle pulsation Brass gauge movement Copper alloy Bourdon tube 1 8 NPT