Cryogenic Temperature Liquid Level Switches
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Manufacturer: Omega(USA)
Model: LVUC11,LVUC12 Series
Introduction: 
The LVUC10 liquid level switch is the ideal solution to a host of liquid level sensing applications at cryogenic temperatures. It uses proven ultrasonic technology to operate in virtually any liquid, regardless of viscosity or aeration. Its small size and standard ¾NPT mounting make it the perfect choice for new or existing applications.
The LVUC10 consists of a 316 SS sensor and an integral miniaturized, encapsulated electronic control unit which is mounted in a cast aluminum, explosion-proof, watertight enclosure. It can be either integral or remotely mounted.
Specifications:
Repeatability: 2 mm typical
Delay (On): 0.5 seconds (typical) varies with cryogenic temperature
Input Power:
Standard: 115 Vac
Optional: 230 Vac 50/60 Hz, 12 or 24 Vdc
Outputs: 10A DPDT relay standard, 8.0 ± 1.0mA-dry, 20.0 ± 1.0 mA-wet
Housing: NEMA 7 watertight, explosion proof enclosure. Cast Aluminum Class l, Group C & D, Class II, Group E, F, & G; and Class lll, Division 1 & 2
Housing Dimensions: 13 mm (5.17") H x 95.3 mm (3.75") diameter, conduit entry ¾NPT
Sensor Material: Epoxy tip with 316SS hermetically sealed fitting
Sensor Cable Length: 3 m (10') standard
Sensor Dimensions: 57.1 mm (2.25") L, 12.7 mm (0.5") outside diameter, 9.5 mm (0.375") tip diameter, 3 mm (0.125") gap width
Temperature Range:
Sensor: -240 to 71°C (-400 to 160°F)
Electronics: -29 to 77°C (-20 to 170°F)
Pressure:
Operating: Up to 68.9 bar (1000 psig)
Process Connection: ¾NPT standard
Weight: 0.45 kg (1 lb) approximate
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