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LVU-301液位变送器 美国omega

简要描述:LVU-301液位变送器 美国omega,美国omega流量仪表 一手货源,优势批发

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  • 更新时间:2023-10-09
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详情介绍

LVU-301液位变送器 美国omega

三线超声波液位变送器
LVU-301, LVU-303
三线超声波液位变送器
LVU-301, LVU-303:三线超声波液位变送器
LVU-301
8° Beam Allows Application in Restricted Environments
All Plastic Construction
LED Digital Display Indicates Level in Inches or Centimeters
Push Button Calibration For All User Set Points
Built-in 10A Relay May Be Configured For Alarm or Automatic Fill/Empty Operations
Fail-Safe Relay Logic Provides Echo and Power Loss Safety
The three-wire ultrasonic level transmitter is the compact solution for non-contact continuous level measurement in process vessels, storage tanks and open channels. The transmitter also features a built-in 10A relay which can be configured as an alarm on a single set point or latched on two different set points for automatic fill or empty operations. Industrial and municipal liquid examples include sodium hydroxide, wastewater, resin, wax, liquor and bleach. An ultrasonic sound wave is pulsed eight times per second from the base of the transducer. The sound wave reflects against the process medium below and returns to the transducer. The microprocessor based electronics measure the time of flight between the sound generation and receipt, and translates this figure into the distance between the transmitter and process medium below.
The surface of the level being measured must be free of fumes, vapors, foam and the surface must be flat; the signal may be lost if any of these conditions are present.
SPECIFICATIONS
Range: 0.5 to 24.5 feet
Accuracy: ± 0.25% of span
Resolution: 0.125" (3 mm)
Frequency: 50 kHz
Pulse rate: 8 pulses/second
Blocking distance: 6" minimum
Display type: 4 segment LED
Display units: Inch / cm
Supply voltage: 14-36 Vdc
Consumption: 200 mA
Current flow: Source / sink
Signal output: 4-20 mA, 12-36 Vdc
Signal averaging: Fast / slow
Calibration: Push button
Relay current: 10 amp
Relay output: 250 VAC, 10A, 1/2 hp, SPDT
Relay indication: ON / OFF status
Contact resistance: 30 milli?
Fail-safe diagnostic: Relay reverts to safe position
Temperature rating: -40 to 60°C, (-40 to 140°F)
Temp. compensation: Automatic over entire range
Pressure rating: 30 psi @ 25 °C., derated @1.667 psi per °C. above 25 °C.
Enclosure rating: NEMA 4X / IP65
Enclosure material: Polypropylene
Transducer material: PVDF
Mounting threads: 2 NPT

 

产品型号 产品描述
Transmitters
LVU-301 Ultrasonic Three-Wire Transmitter,Sinking (4-20 mA)
LVU-303 Ultrasonic Three-Wire Transmitter, Sourcing (4-20 mA)
Accessories
LVCN-51 Continuous Relay Controller with LED Display
DP24-E 1/8 DIN Panel Meter
TX4-100 Sensor Wire 100 FT Spool
 

注释: Comes complete with operator's manual.
The CE approved configuration complies with EN50082-2 immunity, EN55011 emission and EN 61010-1 safety standards.
The sourcing transmitter provides internal 4-20 mA excitation and should be used with a sinking device.
The transmitter with sinking output requires external excitation or should be used with a sourcing device, such as the LVCN-51 continuous relay controller.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)

LVU-301液位变送器 美国omega

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LVCN318液位变送器和控制器 美国omega



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