GAUGE:PRESSURE;MEASURING RANGE:0-1000 MBAR FILLER MATERIAL:GLYCERINE PROCESS CONNECTION:1/2 IN MNPT DIAL SIZE:4 IN TYPE:BOURDON TUBE CONNECTION LOCATION:LOWER/BOTTOM ACCURACY:CLASS 1 MATERIAL:316L STAINLESS STEEL CASE ADDITIONAL SPECIFICATION:1-1/2 IN 316L STAINLESS STEEL TUBE FOR MEASUREMENT DIAL:COLOR:WHITE WITH BLACK LETTERS POINTER:BLACK COLOR WITH VENT PLUG MANUFACTURER REF INFO: MFR:WIKA PN:233.5