Pepperl Fuchs LVL-M3-B

Vibration Limit Switch with Short Tube. Vibration limit switch for liquids , Device with short tube, Wide variety of electronic modules (e. g., relay, thyristor signal output): the right connection for every process control system, No calibration: quick and low-cost start up, No mechanically moving parts: maintenance-free, no wear, long operating life, Operation via push buttons and DIP switches on the electronic insert. 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: device with short tube. 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: . Directive 2014/30/EUEN 61326: . Directive 2014/30/EU: EN 61326. Low voltage: . Directive 2014/35/EUEN 61010-1: . 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 positionany position: . Installation position: any position. 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 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)

Specifications