... 1.Radial/axial 2.Shock-resistance 3.Good quality,OEM 4.Accuracy:normally grade 2.5 Pressure gauge suitable for measuring ... ~0.1 , 0~0.16 , 0~0.25 , 0~0.4 , 0~0.6 , 0~1.00 , 0~1.60~2 ... .5 , 0~4.00 , 0~6.00 , 0~10 , 0~16.00 ,0 ... to 3 Hz, is less than or equal to + - 30%.(4) instrument must be installed vertically. Vacuum pressure gauge