... leak testing, and pressure relief valve testing. Main features1. 4.3" LCD display,interface is concision,operation is simple and convenient.2 ... pump provides pressure source with leak and pressure relief tests 4. NIBP simulations for both arm and wrist cuffs.5. Provides ... +149°F)Relative humidity: < 90%6.Display65k colors 4.3 inch TFT Display, brightness can be changed.7. Size (L x W ...