Radio Frequency Level Switch

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Manufacturer: Omega(USA)

Model: LV750 Series

Introduction: 

         The rugged construction and low cost of the LV750 Series level switch makes it a practical choice in a wide variety of applications for both liquids and solids, which may be electrically conductive or nonconductive. As a radio frequency switch, it can tolerate reasonable amounts of sticky build-up and still function flawlessly. For conductive liquids and materials with a high dielectric constant (greater than 30) that additionally have a tendency to "bridge" between the probe and container wall, a PTFE coated probe should be used. For chemical compatibility considerations, also request the ¾" nipple.

Specifications: 

Power: 95 to 130 Vac, (std) or 190 to 260 Vac (opt) 50 to 60 Hz, 2 W, or 9 to 35 Vdc @ 100 mA (optional)
Relay: DPDT (2 form "C") dry contacts rated for 5 A Resistive @ 120 Vac or 28 Vdc Operating Temperature/Pressure
Electronics: -40 to 85°C (-40 to 185°F)
Probes: 305 mm (12") min length (standard) to 3.0 m (120") (special)
Uncoated, Acetal Bushing: -40 to 85°C (-40 to 185°F), 103 bar (1500 psig) @ 25°C (77°F), 0 psig @ 85°C (185°F)
Uncoated Bushing: -40 to 232°C (-40 to 450°F), 103 bar (1500 psig) @ 25°C (77°F), 0 psig @ 232°C (450°F)
PTFE-Coated (with 316 SS nipple): -40 to 232°C (-40 to 450°F), 103 bar (1500 psig) @ 25°C (77°F), 0 psig @ 232°C (450°F)
PTFE-Coated (with ¾" nipple): -40 to 85°C (-40 to 185°F), 6.9 bar (100 psig) @ 25°C (77°F), 0 psig @ 232°C (450°F)
Minimum Dielectric: 10.0 for standard probe
Wetted Parts: 316 SS rod, 316 SS nipple, Acetal (or PTFE)
Enclosure: Cast aluminum, PVC optional
Time Delay: 0, 5, 10, 15 sec, selectable
Size: 419 x 155 x 46 mm (16.5 x 6.1 x 1.8")
Weight: 0.91 kg (2 lb)

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