The Yellow Jacket 3-1/8" Gauge model 49109 is housed in a red steel case with front recalibrator screw. High visibility colored temperature scale is easy to read through the full view polycarbonate crystal.
PRODUCT FEATURES AND SPECIFICATIONS:
- Brass gauge movement
- Copper alloy Bourdon tube
- 1/8″ NPT Male connection
- Flutterless technology with brass surge protector to minimize needle pulsation
- Calibrated to 1% accuracy
- Color-coded red for pressure and blue for compound
- Color-coded refrigerant types