49138 Yellow Jacket 3-1/8″ 80 MM Dry Blue Manifold Gauge

With 1% accuracy (Class 1) calibration. Large 3-1/8″ gauges are housed in a red or blue steel case with a front recalibration screw. High visibility colored temperature scales are easy to read through the full-view polycarbonate crystal.

Features

• Flutter less technology with a brass surge protector to minimize needle pulsation

• Brass gauge movement

• Copper alloy Bourdon tube

• 1/8″ NPT Male connection

• Calibrated to 1% accuracy

• Color-coded red for pressure and blue for compound

• Color-coded refrigerant types

• These gauges have °C and °F on the dial

• Features retard protection to 350 psi

• Features retard protection to 500 psi