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| Параметр | Значение |
| Общие характеристики | |
| Артикул | 44328 |
| Материал | material 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 |
| Ambient temperature | -40 ... 80 °C (-40 ... 176 °F) , For further information see technical information. |
| 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) |
| Mass | LUC-M10: approx. 2.5 kg LUC-M20: approx. 2.6 kg LUC-M30: approx. 3.5 kg LUC-M40: approx. 3 kg |
| Power consumption | 2-wire: 51 ... 800 mW 4-wire AC: max. 4 VA 4-wire DC: 0.6 ... 1 W |
| Measurement range | LUC-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 signal | according to the instrument version: - 4 ... 20 mA with HART protocol - PROFIBUS PA |
| Reference operating conditions | temperature = 20 °C (68 °F) pressure = 1013 mbar 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 |
| 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) whichever is greater |
| Vibration resistance | 20 ... 2000 Hz, 1 (m/s ) /Hz; 3 x 100 min |
| Dimensions | see section dimensions |
| Explosion-hazardous area | KEMA 05 ATEX 1111, KEMA 05 ATEX 1112 , for additional certificates see www.pepperl-fuchs.com |
| Type of protection | II 1/2G or II 2G EEx ia IIC T6 (KEMA 05 ATEX 1111) II 1/2G or II 2G EEx d [ia] IIC T6 (KEMA 05 ATEX 1111) II 1/2G or II 2G EEx em [ia] IIC T6 (KEMA 05 ATEX 1111) 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) 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) II 3G EEx nA II T6 |
| Equipment architecture | 4 ... 20 mA output with HART protocol system integration via PROFIBUS PA |
| Current consumption | 2-wire devices: - HART: 3.6 ... 22 mA - PROFIBUS PA: max. 13 mA |
| Reaction time | depends on the parameter settings: - min. 0.5 s for 4-wire devices - min. 2 s for 2-wire devices |
| 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 |
| 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 |
| Measured value resolution | LUC-M10, LUC-M20: 1 mm (0.04 inch) LUC-M30, LUC-M40: 2 mm (0.08 inch) |
| Process pressure (static pressure) | LUC-M10, LUC-M20: 0.7 ... 3 bar LUC-M30, LUC-M40: 0.7 ... 2.5 bar |
| Supply 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 |
| Measuring principle | 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. |
| Electrical 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 |
| Installation conditions | see technical information (TI) |
| Resistance to alternating temperature cycles | Nb test: +80 °C/- 40 °C (353 K/233 K), 1 K/min, 100 cycles |
| 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 |
Сравнение
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