SERIES 100 General Equipment Gauge SERIES 200 Compressed Gas/ Welding Gauge SERIES 300 Refrigeration Gauge Ammonia Gauge SERIES 400 2.5" Diaphragm Gauge SERIES 500 Stainless Process Gauge SERIES 600 General Equipment Receiver Gauge SERIES 1000 4" All S.S. Process Gauge SERIES 1500 4.5" Process Gauge Configuration A 4.5" Process Gauge Configuration B SERIES 1600 Test Gauge SERIES 1700 Pressure Receiver Gauge SERIES 1800 4.5" Process Bellows Gauge SERIES 2000 Economy Process Gauge PRESSURE Gauge OPTIONS GENERAL INFO C SERIES S SERIES T SERIES E SERIES MINI SEALS   This pressure gauge is matched to the most rigorous requirements of the process industry. It offers the ruggedness of stainless steel and the safety of solid front construction at an economical price. It is available in both lower bottom and lower back mount connections in two different construction materials with 24 different ranges. Dial Size: 4". Case: 304 stainless steel solid front case with a pressure relieving back. Window: Double strength glass standard; acrylic or shatter proof glass available. Ring: Polished 316 stainless steel. Dial: Aluminum, white finished with black markings Pointer: Balanced, black, micrometer adjustable Movement: Stainless steel, rotary, bushed with a reinforced sector, fully adjustable Bourdon tube: Stainless steel. Connections: 1/2" NPT; 1/4" NPT available. Range: See Table VII of Model Selection Chart - Gauges;  Not all ranges available. Options: Liquid fillable