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Ultrasonic Level Sensors

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Каталожный номер: T47783
Function and system design
Measuring principleThe sensor of the device transmits ultrasonic pulses in the direction of the product surface. There, the ultrasonic pulses are reflected back and received by the sensor. The device measures the time between pulse transmission and reception. The instrument uses the time (and the velocity of sound) to calculate the distance between the sensor membrane and the product surface. As the device knows the empty distance from a user entry, the device calculate the level.
Equipment architecture4 ... 20 mA output with HART protocol
system integration via PROFIBUS PA
Input characteristics
Measured variabledistance between the sensor membrane and the product surface
using the linearization function, the device calculate
- level in any units
- volume in any units
- flow across measuring weirs or open channels in any units
Measurement rangeLUC-M10: max. 5 m (16.4 ft) in fluids and 2 m (6.6 ft) in bulk materials
LUC-M20: max. 8 m (26.2 ft) in fluids and 3,5 m (11.5 ft) in bulk materials
LUC-M30: max. 15 m (49.2 ft) in fluids and 7 m (23 ft) in bulk materials
LUC-M40: max. 10 m (32.8 ft) in fluids and 5 m (16.4 ft) in bulk materials
Output characteristics
Output signalaccording to the instrument version:
- 4 ... 20 mA with HART protocol
- PROFIBUS PA
Auxiliary energy
Electrical connectionterminal compartment:
In the F12 housing, the terminals are located underneath the housing cover, in the T12 housing, they are under the cover of the separate terminal compartment.
cable gland: M20x1.5 (recommended cable diameter 6 ... 10 mm (0.24 ... 0.4 inch))
cable entry G1/2 or NPT1/2
PROFIBUS PA: M12 plug connector
Supply voltage2-wire HART (standard):
- current consumption 4 ... 20 mA
- min. terminal voltage 14 V (at 4 mA), 8 V (at 20 mA)
- max. terminal voltage 36 V
4-wire HART:
- DC version: voltage 10.5 ... 32 V, max. load 600 &Omega
- AC version: 90 ... 253 V, max. load 600 &Omega
PROFIBUS PA: 9 ... 32 V DC
for additional information see technical information
Power consumption2-wire: 51 ... 800 mW
4-wire AC: max. 4 VA
4-wire DC: 0.6 ... 1 W
Current consumption2-wire devices:
- HART: 3.6 ... 22 mA
- PROFIBUS PA: max. 13 mA
Measurement accuracy
Reaction timedepends on the parameter settings:
- min. 0.5 s for 4-wire devices
- min. 2 s for 2-wire devices
Reference operating conditionstemperature = 20 °C (68 °F)
pressure = 1013 mbarabs
humidity = 50 %
ideal reflective surface (e. g. calm, smooth fluid surface)
no interference reflections within signal beam
set application parameters:
- tank shape = flat ceiling
- medium property = liquid
- process conditions = calm surface
Measured value resolutionLUC-M10, LUC-M20: 1 mm (0.04 inch)
LUC-M30, LUC-M40: 2 mm (0.08 inch)
Measuring frequency2-wire devices: max. 0.5 Hz
4-wire devices: max. 2 Hz
dependent on the type of device and the parameter settings
Maximum measured errortypical specifications for reference operating conditions (include linearity, repeatability, and hysteresis):
± 2 mm (0.08 inch) or 0.2% of set measuring range (empty calibration)1)
1)
whichever is greater
Operating conditions
Installation conditionssee technical information (TI)
Ambient conditions
Ambient temperature-40 ... 80 °C (-40 ... 176 °F) , For further information see technical information.
Storage temperature-40 ... 80 °C (-40 ... 176 °F)
Resistance to alternating temperature cyclesNb test: +80 °C/- 40 °C (353 K/233 K), 1 K/min, 100 cycles
Vibration resistance20 ... 2000 Hz, 1 (m/s2)2/Hz 3 x 100 min
Process conditions
Process temperature-40 ... 80 °C (-40 ... 176 °F) (233 ... 353 K), a temperature sensor is integrated in the sensor for correction of the temperature-dependent time-of-flight
Process pressure (static pressure)LUC-M10, LUC-M20: 0.7 ... 3 barabs
LUC-M30, LUC-M40: 0.7 ... 2.5 barabs
Mechanical specifications
Degree of protectionwith closed housing, tested according to
- IP68, NEMA 6P (24 h at 1.83 m under water surface)
- IP66, NEMA 4X
with open housing: IP20, NEMA 1 (also ingress protection of the display)
Mechanical construction
Dimensionssee section dimensions
MassLUC-M10: approx. 2.5 kg
LUC-M20: approx. 2.6 kg
LUC-M30: approx. 3.5 kg
LUC-M40: approx. 3 kg
Materialmaterial in contact with process:
- LUC-M10, LUC-M20: sensor PVDF, seal EPDM
- LUC-M30: sensor UP and stainless steel 1.4571/316Ti, seal EPDM, flange PP or stainless steel 1.4571/316Ti
- LUC-M40: sensor PVDF, seal Viton or EPDM, flange PP, PVDF or stainless steel 1.4535/316L
housing: aluminum, seawater resistant, chromated, powder-coated
cover:
- aluminum, for version without on-site display
- inspection glass for version with on-site display
Certificates and approvals
Explosion-hazardous areaKEMA 05 ATEX 1111, KEMA 05 ATEX 1112 , for additional certificates see www.pepperl-fuchs.com
Type of protectionEx-Hexagon II 1/2G or II 2G EEx ia IIC T6 (KEMA 05 ATEX 1111)
Ex-Hexagon II 1/2G or II 2G EEx d [ia] IIC T6 (KEMA 05 ATEX 1111)
Ex-Hexagon II 1/2G or II 2G EEx em [ia] IIC T6 (KEMA 05 ATEX 1111)
Ex-Hexagon II 1/2D or II 2D or II 1/3D or II 3D T115°C or T100°C or T95°C (KEMA 05 ATEX 1111)
Ex-Hexagon II 1/2D or II 2D or II 1/3D or II 3D T115°C or T83°C or T84°C or T86°C (KEMA 05 ATEX 1112)
Ex-Hexagon II 3G EEx nA II T6
Каталожный номер: 43702
General specifications
Sensing range0.3 ... 4 m , with fluids
Transducer frequencyapprox. 85 kHz
Indicators/operating means
LED greenPower on
LED red2 Hz flashing: error
Electrical specifications
Operating voltage20 ... 30 V DC , ripple 10 %SS
Power consumption&le 1200 mW
Output
Output type1 analog output 4 ... 20 mA, RL &le 500 Ohm, error &ge 21 mA
1 voltage output 0 ... 10 V, RL &ge 1000 Ohm, error &ge 10.5 V
Resolution2 mm
Deviation of the characteristic curve0.5 % of upper limit of measuring range
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated &le36 V
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Degree of protectionIP65
Connection5-pin V15 (M12 x 1) connector
Material
HousingPBT, polypropylene
TransducerPTFE (diaphragm surface)
Mass220 g
MountingG1½A connection
Розничная цена
916.623 USD с НДС 69494 руб
Купить
Каталожный номер: 42634
General specifications
Sensing range0.3 ... 4 m , with fluids
Transducer frequencyapprox. 85 kHz
Indicators/operating means
LED greenPower on
LED red2 Hz flashing: error
Electrical specifications
Operating voltage20 ... 30 V DC , ripple 10 %SS
Power consumption&le 1200 mW
Output
Output type1 analog output 4 ... 20 mA, RL &le 500 Ohm, error &ge 21 mA
1 voltage output 0 ... 10 V, RL &ge 1000 Ohm, error &ge 10.5 V
Resolution2 mm
Deviation of the characteristic curve0.5 % of upper limit of measuring range
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated &le36 V
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Degree of protectionIP65
Connection5-pin V15 (M12 x 1) connector
Material
HousingPBT, stainless steel 1.4571
TransducerPTFE (diaphragm surface)
Mass220 g
MountingG1½A connection
Розничная цена
1018.079 USD с НДС 77186 руб
Купить
Каталожный номер: 43704
General specifications
Sensing range0.3 ... 4 m , with fluids
Transducer frequencyapprox. 85 kHz
Indicators/operating means
LED greenPower on
LED red2 Hz flashing: error
Electrical specifications
Operating voltage20 ... 30 V DC , ripple 10 %SS
Power consumption&le 1200 mW
Output
Output type1 analog output 4 ... 20 mA, RL &le 500 Ohm, error &ge 21 mA
1 voltage output 0 ... 10 V, RL &ge 1000 Ohm, error &ge 10.5 V
Resolution2 mm
Deviation of the characteristic curve0.5 % of upper limit of measuring range
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated &le36 V
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Degree of protectionIP65
Connection5-pin V15 (M12 x 1) connector
Material
HousingPBT, polypropylene
TransducerPTFE (diaphragm surface)
Mass220 g
Mountingscrewed connection 1½" NPT
Каталожный номер: 43703
General specifications
Sensing range0.3 ... 4 m , with fluids
Transducer frequencyapprox. 85 kHz
Indicators/operating means
LED greenPower on
LED red2 Hz flashing: error
Electrical specifications
Operating voltage20 ... 30 V DC , ripple 10 %SS
Power consumption&le 1200 mW
Output
Output type1 analog output 4 ... 20 mA, RL &le 500 Ohm, error &ge 21 mA
1 voltage output 0 ... 10 V, RL &ge 1000 Ohm, error &ge 10.5 V
Resolution2 mm
Deviation of the characteristic curve0.5 % of upper limit of measuring range
Approvals and certificates
CCC approvalCCC approval / marking not required for products rated &le36 V
Ambient conditions
Ambient temperature-25 ... 70 °C (-13 ... 158 °F)
Storage temperature-40 ... 85 °C (-40 ... 185 °F)
Mechanical specifications
Degree of protectionIP65
Connection5-pin V15 (M12 x 1) connector
Material
HousingPBT, stainless steel 1.4571
TransducerPTFE (diaphragm surface)
Mass220 g
Mountingscrewed connection 1½" NPT

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