1. High Accuracy Digital Display2. Automatic Recalibration and Instant Reading3. Embedded Sightglass HNBR O-ring Aluminum Block4. One 9V battery (included) for each meter5. Temperature scale for R134a6. Low side reads: -29.9 ~ 130 psig; Resolution:0.5 psig7. High side reads:0 ~ 400 psig; Resolution:1 psig8. High/low Port:1/4" NPT
1. High Accuracy Digital Display
2. Automatic Recalibration and Instant Reading
3. Embedded Sightg