... 700kgcm2 with PSI,BAR/PSI,Single scale kg/cm2/bar,pressure/vacuum Compound, Dial:aluminum Black Graduation on White background Entry ... .0% Ambient Temp: -20C - 60C Over pressure:full scale value Case and bezel: stainless steel case and roll ring Bourdon tube shape ... Application:for measurement of steam,air,oil,water and other pressure media,which have no effect on brass and bronze