... -freezing and could not corrode the copper and copper alloy.1.Measuring range (MPa) (special specifications when ordering, please ... 25 , 0~0.4 , 0~0.6 , 0~1.00 , 0~1.60~2.5 , 0~4.00 , 0~6.00 ... ,-0.1~0 , -0.1~0.15 , -0.1~0.3 -0.1~0.5, -0.1~0.9 ,-0.1~1.5 , -0.1~2. ... filling according to user's needs)5.Working conditions: (1) temperature environment temperature-20 to 40 degrees Celsius special needs can be - ...