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Two-Wire Ultrasonic Level Transmitter
LVU-201A
PLACE ORDER - Non-Contact Level Transmitter with 4 to 20 mA Output
- Accurate and Reliable Level Measurement from 0.2 to 5.5 m (0.5 to 18')
- Automatic Temperature Compensation
- 8° Beam Allows Application in Restricted Environments
- All-Plastic Construction
- Pushbutton Calibration with Display
- Microprocessor Logic Filtration Eliminates False Echo Signal Returns
- Failsafe Intelligence Provides Echo Signal Loss Safety
Description
Description
The LVU-201A 2-wire ultrasonic leveltransmitter is the compact solutionfor non-contact continuous levelmeasurement in process vessels,storage tanks, and open channels.This loop-powered device providesaccurate level measurement up to5.5 m (18') and is the ideal choice formore challenging coating or scalingliquids, including sodium hydroxide,wastewater, resin, wax, liquor,and bleach.
An ultrasonic sound wave is pulsed2 times per second from the base ofthe transducer. The sound wavereflects against the process mediumbelow and returns to the transducer.The microprocessor-basedelectronics measure the time of flightbetween the sound generation andreceipt, and translates this figure intothe distance between the transmitterand process medium below.
SPECIFICATIONS
Range: 0.2 to 5.5 m (0.5 to 18')
Accuracy: ±0.25% of span
Resolution: 3 mm (0.125")
Frequency: 50 kHz
Pulse Rate: 2 pulses/second
Beam Width: 8° conical
Blocking Distance: 15.2 m (6") minimum
Display Type: 4-segment LCD
Display Units: In/cm
Supply Voltage: 12 to 32 Vdc
Max Loop Resistance: 600 Ω @ 24 Vdc
Signal Output: 4 to 20 mA
Signal Invert: 4 to 20 mA/20 to 4 mA
Calibration: Pushbutton
Mountable Gasket: FKM
Conduit Entrance: Single, 1.2 NPT
CE Compliance: EN61326 EMC
Failsafe Diagnostic: Reverts to 4 mA or 22 mA
Temperature Rating: -20 to 60°C (-4 to 140°F)
Temperature Compensation: Automatic over entire range
Pressure Rating: 30 psi @ 25°C, derated @1.667 psi per °C above 25°C
Enclosure Rating: NEMA 4X (IP66)
Enclosure Material: Polypropylene
Transducer Material: Polyvinylidene fluoride
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