... could not corrode the copper and copper alloy.1.Measuring range (MPa) (special specifications when ... 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 ,0~25.0 , 0~400~60,-0.1 ... ~0 , -0.1~0.15 , -0.1~0.3 -0.1~0.5, -0.1~0.9 ,-0.1~1.5 , -0.1 ... casting and stainless steel4.Internal filling damping liquid (1) glycerin (2) silicone oil (filling according to ...