Ultrasonic Level Sensor
SKU:
LUC-M10
0.00€
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The Ultrasonic Level Sensor offers a reliable solution for non-contact level measurement in various applications. With a measuring range of up to 5 m for fluids and 2 m for bulk materials, this sensor is designed for optimal performance in demanding environments.
Manufacturer:
Pepperl+Fuchs
Description:
The Ultrasonic Level Sensor is engineered to provide precise level measurement without the need for direct contact with the material being measured. This makes it ideal for a wide range of applications, including liquid storage tanks, silos, and other bulk material handling systems. The device utilizes ultrasonic sound waves to determine the distance to the surface of the material, ensuring accurate readings across various conditions.
One of the key features of this sensor is its integrated temperature sensor, which automatically compensates for temperature-induced variations in sound velocity, enhancing measurement accuracy. Additionally, the sensor supports quick and straightforward commissioning through a user-friendly menu-guided interface displayed on a four-line screen. For flexibility, an optional remote display and operation capability allows users to monitor measurements from distances of up to 20 m from the transmitter, making it suitable for installations in hazardous or hard-to-reach locations.
| Measuring method | The 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 architecture | 4 … 20 mA output with HART protocol system integration via PROFIBUS PA |
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| Construction type | compact device | |
| Series | LUC-M10 | |
| Connection | terminal 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 |
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| Rated voltage | 2-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 Ω – AC version: 90 … 253 V, max. load 600 Ω PROFIBUS PA: 9 … 32 V DC for additional information see technical information |
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| Ripple | HART: 47 … 125 Hz , Upp = 200 mV (measured at 500 Ω) | |
| Noise | HART: 0.5 … 10 kHz , Urms = 2.2 mV (measured at 500 Ω) | |
| Current consumption | 2-wire devices: – HART: 3.6 … 22 mA – PROFIBUS PA: max. 13 mA |
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| Power consumption | 2-wire: 51 … 800 mW 4-wire AC: max. 4 VA 4-wire DC: 330 … 830 mW |
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| Measured variable | distance 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 |
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| Measurement range | max. 5 m (16.4 foot) in fluids max. 2 m (6.6 foot) in bulk materials |
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| Operating frequency | approx. 70 kHz | |
| Blocking distance | 0.25 m | |
| Load | min. 250 Ω for HART communication | |
| Linearity | The linearization function of the device allows conversion of the measured value into any unit of length or volume. In open channels or measuring weirs, also a flow linearization is possible (calculation of the flow from the measured level). | |
| Output signal | according to the instrument version: – 4 … 20 mA with HART protocol – PROFIBUS PA |
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| Output damping | 0 … 255 s , freely selectable | |
| Signal on alarm | error information can be accessed via the following interfaces: – on-site display (error symbol, error code and plain text description) – current output (configurable) – digital interface |
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| Output/power supply | at 4-wire devices with evaluation electronics and mains voltage | |
| Electromagnetic compatibility | ||
| Directive 2014/30/EU | EN 61326-1:2006 , EN 61326-2-3:2006 , EN 61326-2-5:2006 | |
| Low voltage | ||
| Directive 2014/35/EU | EN 61010-1:2001 | |
| Electromagnetic compatibility | NE 21 | |
| Degree of protection | IEC 60529:2001 | |
| Vibration resistance | EN 60068-2-64 | |
| Climate class | EN 60068-2-38 (test Z/AD) DIN/IEC 68 T2-30Db | |
| Resistance to alternating temperature cycles | EN 60068-2-14 | |
| Reaction time | depends on the parameter settings: – min. 0.5 s for 4-wire devices – min. 2 s for 2-wire devices |
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| Reference operating conditions | temperature = 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 |
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| Measured value resolution | 1 mm | |
| Measuring frequency | 2-wire devices: max. 0.5 Hz 4-wire devices: max. 2 Hz dependent on the type of device and the parameter settings |
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| Maximum measured error | typical 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 |
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| Installation conditions | see technical information (TI) | |
| Ambient conditions | ||
| Resistance to alternating temperature cycles | Nb test: +80 °C/- 40 °C (353 K/233 K), 1 K/min, 100 cycles | |
| Vibration resistance | 20 … 2000 Hz, 1 (m/s2)2/Hz; 3 x 100 min | |
| Process conditions | ||
| Process temperature | -40 … 80 °C (-40 … 176 °F) | |
| Process pressure (static pressure) | 0.7 … 3 bar (10.2 … 43.5 psi) , absolute pressure | |
| Ambient temperature | -40 … 80 °C (-40 … 176 °F) see technical information (TI) |
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| Storage temperature | -40 … 80 °C (-40 … 176 °F) | |
| Degree of protection | with 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) |
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| Connection | cable gland M20x1.5 cable gland NPT1/2 cable gland G1/2 PROFIBUS PA plug M12x1 |
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| Material | material in contact with process: sensor PVDF, seal EPDM housing: aluminum, seawater resistant, chromated, powder-coated cover: – aluminum, for version without on-site display – inspection glass for version with on-site display |
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| Mass | 2.5 kg | |
| Dimensions | see section dimensions | |
| Process connection | – cylindrical thread G1-1/2B, G2B to DIN/ISO 228/1 – conical thread NPT1-1/2, NPT2 to ANSI B 1.20.1 – flanges to EN 1092-1 from DN80, to ANSI B 16.5 from 3 inch, to JIS B 2238 (RF) from DN80 – mounting bracket LUC-Z17 |
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| EU-type examination certificate | see instruction manuals (SI) | |
| Directive conformity | ||
| Directive 2014/34/EU | EN 60079-0:2006 , EN 60079-1:2004 , EN 60079-7:2003 , EN 60079-11:2007 , EN 60079-18:2005 , EN 60079-26:2004 , EN 60079-27:2007 , EN 61241-0:2006 , EN 61241-1:2004+C11:2006 | |
| Construction type | housing design: – F12 housing with sealed terminal compartment for standard or EEx ia applications – T12 housing with separate terminal compartment and flameproof encapsulation cover: – version without on-site display – version with on-site display (transparent cover), this version cannot be supplied together with the ATEX II 1/2D certificate |
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| Display elements | display and operating module LUC-Z15 at the device | |
| Control elements | on-site operation: – via 3 keys of the display and operating module – via handheld terminal remote control: – operation with operating program (for communication variants HART or PROFIBUS-PA) |
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| Supplementary documentation | technical information (TI) manuals, brief instructions (BA, KA) instruction manuals (SI) control drawings (ZD) |
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| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. | |
| Designation | – LUC-Z18, mounting bracket – LUC-Z2*, cantilever – LUC-Z3*, mounting frame – LUC-Z5*, wall bracket – LUC-Z-A**N**, adapter flange with conical thread – LUC-Z-F**G**, adapter flange with metrical thread – LUC-Z15, display and operating module for on-site operation – LUC-Z16, weather protection cover – LUC-Z40-**1*, remote display and operation |
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| ECLASS 13.0 | 27200506 | |
| ECLASS 12.0 | 27200506 | |
| ECLASS 11.0 | 27200506 | |
| ECLASS 10.0.1 | 27200506 | |
| ECLASS 9.0 | 27200506 | |
| ECLASS 8.0 | 27200506 | |
| ECLASS 5.1 | 27200506 | |
| ETIM 9.0 | EC003001 | |
| ETIM 8.0 | EC003001 | |
| ETIM 7.0 | EC003001 | |
| ETIM 6.0 | EC003001 | |
| ETIM 5.0 | EC001447 | |
| UNSPSC 12.1 | 41111950 | |
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