Service:DTFW: Compatible liquids; DTFA: Compatible gases.Wetted Materials:Body: 316 SS, brass or aluminum; Spring: 302 SS or PTFE-coated; Range spring: 302 SS; Magnet: PTFE-coated; Metering cone: Acetal or PTFE; Seals: Buna.Temperature Limits:-40 to 200°F (-40 to 93°C).Pressure Limits:DTFW-3S: 1500 psig (100 bar); All other DTFW models: 3000 psig (200 bar); DTFA: 3000 psig (200 bar).Accuracy:Liquid/oil calibration: ±2% FS; Air calibration: ±5% FS.Repeatability:±1% FS.Size:Diameter dial face 2.5″ (63.5 mm).Process Connection:See model chart on catalog page.Weight:DTFW-1B and 1S: 3 lb (1.36 kg); DTFW-2B and 2S: 5 lb (2.27 kg); DTFW- 3S: 10 lb (4.54 kg); DTFA-1A: 3 lb (1.36 kg); DTFA-2A: 5 lb (2.27 kg).