Dwyer德威尔 ULT-11_ULT-21 超声波液位变送器

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[ssba]
INQUIRY

Service:Compatible fluids. Not for use with powder and bulk solids.Wetted Materials:Sensor: PVDF; Process Connection: 303 SS; O-ring: fluoroelastomer.Ranges:24.6′ (7.5 m), 32.8′ (10 m).Accuracy:±0.2% FS.Resolution:0.079″ (2 mm)Blind Zone:Under 8″ (20 cm).Beam Width:3″ (7.6 cm) diameter.Temperature Limits:Ambient: -40 to 140°F (-40 to 60°C), Process: -4 to 140°F (-20 to 60°C).Temperature Compensation:-40 to 140°F (-40 to 60°C).Pressure Limits:30 psi (2 bar) up to 25°C (77°C). Above 25°C (77°F), rating decreases 1.667 psi per 1°C increase. See Catalog page.Power Requirement:18 to 28 VDC (2 wire).Output Signal:4 to 20 mA or 20 to 4 mA (Two-wire).Max. Loop Resistance:250 Ohms at 24 VDC.Electrical Connections:Screw terminal.Conduit Connection:1/2″ NPT female (two) or optional M20.Process Connection:2″ NPT male or optional BSPT.Enclosure Rating:Weatherproof meets NEMA 4X, explosion-proof rated Class I, Div. 1, Groups B, C, D; Class II/III, Div. 1, Groups E, F, G.Mounting Orientation:Vertical.Failsafe:On lost echo after 30 seconds, user selectable to 4, 20, 21, 22 mA or last signal.Memory:Non-volatile.Display:6 character LCD.Units:In, cm, ft, m, percent.Weight:4.0 lb (1.8 kg).Agency Approvals:CE, FM.