产品数据表
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TECHNICAL DATA
规格参数
General specifications
| Function principle | point level detection, maximum or minimum detection for liquids |
|---|---|
| Measuring method | The change in vibration frequency causes the device to switch. |
| Construction type | compact device |
| Series | Vibracon LVL-M3 |
| Housing | single compartment, aluminum, coated single compartment, plastic |
| Rated voltage | electronic insert FEL42: 10 V DC ... 55 V DC electronic insert FEL44: 19 V AC ... 253 V AC/19 V DC ... 55 V DC electronic insert FEL48: switch amplifier acc. to IEC 60947-5-6 (NAMUR) |
| Current consumption | electronic insert FEL42: ≤ 10 mA, without load |
| Power consumption | electronic insert FEL42: ≤ 0,5 W electronic insert FEL44: ≤ 25 VA/< 1.3 W electronic insert FEL48: acc. to IEC 60947-5-6 (NAMUR) |
| Switching point | see section switch point |
| Measured variable | limit level (limit value) |
| Measuring range | depends on installation location and the tube extension maxmum sensor length : 2 m |
| Output type | electronic insert FEL42: 3-wire PNP electronic insert FEL44: relay DPDT electronic insert FEL48: 2-wire NAMUR |
| Switch behaviour | switch-over for minimum/maximum residual current safety on electronic insertMAX = maximum safety:The output switches to the power fail response when the fork is covered.for use with overspill protection for exampleMIN = minimum safety:The output switches to the power fail response when the fork is exposed.for use with dry running protection for example |
| Electromagnetic compatibility | Electromagnetic compatibility |
| Directive 2014/30/EUEN 61326 | Directive 2014/30/EUEN 61326 |
| Low voltage | Low voltage |
| Directive 2014/35/EUEN 61010-1 | Directive 2014/35/EUEN 61010-1 |
| Directive 2014/30/EU | EN 61326 |
| Directive 2014/35/EU | EN 61010-1 |
| Electromagnetic compatibility | NE 21 |
| Degree of protection | IEC 60529 , NEMA 250 |
| Shock resistance | IEC 60068-2-27 |
| Vibration resistance | EN 60068-2-64 |
| Climate class | IEC 60068-2-38 test Z/AD |
| Corrosion resistance | acc. to ISA-71.04, severity level G3 |
| Medium density | adjustment on the electronic insert > 0,5 g/cm3 or > 0,7 g/cm3 (other on request) |
| Reference operating conditions | ambient temperature: 23 °C (73 °F)process temperature: 23 °C (73 °F)density: 1 g/cm3 (water)medium viscosity: 1 mPa·sprocess pressure: ambietn pressure/unpressurizedsensor installation: verticaly from abovedensity selection switch: > 0.7 g/cm3switch direction of sensor: uncovered to covered |
| Maximum measured error | max. ± 1 mm |
| Hysteresis | typ. 2.5 mm |
| Influence of medium density | see technical information (TI) |
| Influence of medium temperature | max. +1.4 ... -2.8 mm (-40 ... 150 °C (-40 ... 302 °F)) |
| Influence of medium pressure | max. 0 ... 2.6 mm (-1 ... 40 bar) |
| Installation conditions | Installation conditions |
| Installation positionany position | Installation positionany position |
| Process conditions | Process conditions |
| Medium temperature-40 ... 150 °C (-40 ... 302 °F)Medium pressurepe = -1 ... 40 bar (-14.5 ... 580.2 psi) over the entire temperature range , exceptions see process connectionsTest pressurePN = 40 bar (580 psi): test pressure = 1.5 x PN max. 60 bar (870 psi) dependent on the process connection selectedThermal shock resistance≤ 120 K/sState of aggregationliquidDensitymin. 0.5 g/cm3 , optional 0.4 g/cm3Viscositymax. 10000 mm2/s (max. 10000 cSt) | Medium temperature-40 ... 150 °C (-40 ... 302 °F)Medium pressurepe = -1 ... 40 bar (-14.5 ... 580.2 psi) over the entire temperature range , exceptions see process connectionsTest pressurePN = 40 bar (580 psi): test pressure = 1.5 x PN max. 60 bar (870 psi) dependent on the process connection selectedThermal shock resistance≤ 120 K/sState of aggregationliquidDensitymin. 0.5 g/cm3 , optional 0.4 g/cm3Viscositymax. 10000 mm2/s (max. 10000 cSt) |
| Installation position | any position |
| Medium temperature | -40 ... 150 °C (-40 ... 302 °F) |
| Medium pressure | pe = -1 ... 40 bar (-14.5 ... 580.2 psi) over the entire temperature range , exceptions see process connections |
| Test pressure | PN = 40 bar (580 psi): test pressure = 1.5 x PN max. 60 bar (870 psi) dependent on the process connection selected |
| Thermal shock resistance | ≤ 120 K/s |
| State of aggregation | liquid |
| Density | min. 0.5 g/cm3 , optional 0.4 g/cm3 |
| Viscosity | max. 10000 mm2/s (max. 10000 cSt) |
| Ambient temperature | -40 ... 70 °C (-40 ... 158 °F) For further information see technical information (TI). |
| Storage temperature | -40 ... 80 °C (-40 ... 176 °F) |
| Altitude | ≤ 2000 m above MSL |
| Degree of protection | plug M12 : IP66/67, NEMA type 4X Others : IP66/68, NEMA type 4X/6P |
| Connection | gland M20 thread M20 , G1/2 , NPT1/2 , NPT3/4 plug M12 |
| Material | see technical information (TI) |
| Surface quality | Ra < 3.2 µm/126 µinch |
| Mass | basic weight: 0.65 kgthe basic weight comprises:- sensor (compact)- electronic insert- housing: single compartment, plastic with cover- process connection: thread, G3/4in addition to the basic weight:- housing: single compartment, aluminum, coated: 0.8 kg- pipe extension: 1000 mm: 0.9 kg, 100 inch: 2.3 kg- plastic protective cover: 0.2 kg For further information see technical information (TI). |
| Dimensions | housing: diameter max. 101 mm, heigth max. 118 mm compact version: length depends on process connection short tube version: length 99 ... 118 mm, depends on process connection tube extension: length 117 ... 2000 mm tuning fork: width 17.2 mm, fork width 10 mm, length 40 mm For further information see technical information (TI). |
| Process connection | cylindrical threads G3/4, G1 acc. to DIN ISO 228 G for installing in weld-in adapter cylindrical threads G3/4, G1 acc. to DIN ISO 228 G with flat seal conical threads NPT3/4, NPT1 acc. to ANSI B 1.20.3 conical threads R3/4, R1 acc. to EN 10226 flanges RF, RJF, FF from 1 inch acc. to ASME B16.5 flanges form A, B1, C, D, E from DN25 acc. to EN 1092-1 flanges RF from 10K 25A acc. to JIS B2220 Tri-Clamp from DN25 acc. to ISO 2852 For further information see technical information (TI). |
| EU-type examination certificate | see instruction manuals |
| CSA approval | see instruction manuals |
| IECEx approval | see instruction manuals |
| Display elements | without display |
| Control elements | switches on the electronic insert |
| Function test | via switches on the electronic insert |
| Overspill protection | see approval (ZE) |
| Supplementary documentation | technical information (TI) manuals, brief instructions (BA, KA) instruction manuals Special documentation (SD) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Designation | see technical information (TI) |
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