Ultrasonic Liquid Level Switches
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Manufacturer: Omega(USA)
Model: LVU-A710 Series
Introduction: 
The LVU-A710 Series compact solid state liquid level switch is a great replacement for mechanical float-type liquid level devices. The switch employs proven ultrasonic technology and solid state integral electronics in a small package.
The LVU-A710 Series provides reliable operation in virtually any liquid, regardless of viscosity. This eliminates problems of stickiness and failure rate due to finite mechanical life inherent in the mechanical float design. The combination of fully epoxy-sealed electronics and ultrasonic sensing technology will provide years of maintenance-free service.
Specifications:
Repeatability: 2 mm or better
Delay: 0.5 seconds
Input Power: 5 to 30 Vdc
Leakage Current: Less than 50 uA
Outputs:
Source: 100 mA max
Sink: 100 mA max
Relay Output: 1 A SPST (NO, C)
Protection: Transient, reverse polarity
Sensor: 316 LSS
Temperature: -29 to 80°C (-20 to 176°F)
Pressure: Up to 1000 psig (6895 Kpa)
Mounting: 1.4 or 1.2 NPT (depending on model number)
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