LVL-M4-A Vibration Limit Switch Compact VersionVibracon

Key Benefits at a Glance

Vibration limit switch for liquids
Compact device
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
Optional status and fault indication via LED module or via Bluetooth in the P+F Level app
Up to SIL 3 acc. to IEC/EN 61508

Product photo: Vibration Limit Switch Compact Version LVL-M4-A

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Datasheet Classification Product Documentation Approvals Related Products

Technical data of LVL-M4-A

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-M4
Housing		single compartment, aluminum, coated single compartment, 316L, cast single compartment, plastic dual compartment, L-shape, aluminum, coated

Safety Integrity Level (SIL)

SIL 3

Rated voltage	U_r	electronic insert FEL61: 19 ... 253 V AC, 50/60 Hz electronic insert FEL62: 10 V DC ... 55 V DC electronic insert FEL64: 19 V AC ... 253 V AC50/60 Hz / 19 V DC ... 55 V DC electronic insert FEL64DC: 9 V DC ... 20 V DC electronic insert FEL68: switch amplifier acc. to IEC 60947-5-6 (NAMUR)
Current consumption		electronic insert FEL61: ≤ 3.8 mA electronic insert FEL62: ≤ 10 mA, without load
Power consumption		electronic insert FEL61: ≤ 2 VA electronic insert FEL62: ≤ 0.5 W electronic insert FEL64: ≤ 25 VA/< 1.3 W electronic insert FEL64DC: < 1.0 W electronic insert FEL68: acc. to IEC 60947-5-6 (NAMUR)

Interface type		Bluetooth , optional
Detection range		max. 25 m
Configuration		commissioning, operation and maintenance via P+F Level app - can be activated/deactivated - password encryption
Communication		encrypted

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 : 6 m

Output type		electronic insert FEL61: 2-wire with test button electronic insert FEL62: 3-wire PNP with test button electronic insert FEL64: relay DPDT with test button electronic insert FEL64DC: relay DPDT with contact and test button electronic insert FEL68: 2-wire NAMUR with test button
Switch behaviour		switch-over for minimum/maximum residual current safety on electronic insert MAX = maximum safety: The output switches to the power fail response when the fork is covered. for use with overspill protection for example MIN = minimum safety: The output switches to the power fail response when the fork is exposed. for use with dry running protection for example
Communication		connection for LED module VU120 and Bluetooth module VU121 , optional Bluetooth wireless technology , optional

Electromagnetic compatibility

Directive 2014/30/EU

EN 61326

Low voltage

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·s process pressure: ambietn pressure/unpressurized sensor installation: verticaly from above density selection switch: > 0.7 g/cm³ switch 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 ... -2.6 mm (-50 ... 150 °C (-58 ... 302 °F))
Influence of medium pressure		max. 0 ... 2.6 mm (-1 ... 64 bar)

Installation conditions

Installation position

any position

Process conditions

Medium temperature		-50 ... 150 °C (-58 ... 302 °F)
Medium pressure		p_e = 0 ... 100 bar (0 ... 1450.4 psi) over the entire temperature range , exceptions see process connections
Test pressure		PN = 64 bar (928 psi): test pressure = 1.5 x PN maximum 100 bar (1450 psi) depending on process connection selected PN = 100 bar (1450 psi): test pressure = 1.5 x PN maximum 150 bar (2175 psi) depending on 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		-60 ... 70 °C (-76 ... 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		R_a < 3.2 µm/126 µinch
Mass		basic weight: 0.65 kg the basic weight comprises: - sensor (compact) - electronic insert - housing: single compartment, plastic with cover - process connection: thread, G3/4 in addition to the basic weight: - modules: 0,1 kg - housing: single compartment, aluminum, coated: 0.8 kg, single compartment, 316L: 1.21 kg, dual compartment, L-shaped, aluminum, coated: 1.22 kg - temperature spacer: 0.6 kg - pressure-tight feed through: 0.7 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. 147 mm, heigth max. 163 mm temperature spacer, pressure-tight feed through: additional length 140 mm compact version: length depends on process connection short tube version: length 99 ... 118 mm, depends on process connection pipe extension: - length 117 ... 6000 mm, 316L - length 148 ... 3000 mm, Alloy C22 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		Standard: without display LED module VU120, optional Bluetooth module VU121, optional
Control elements		switches on the electronic insert
Function test		via switches on the electronic insert test magnet , optional

Overspill protection

see approval (ZE)

Supplementary documentation		technical information (TI) manuals, brief instructions (BA, KA) instruction manuals Functional safety manuals (FY) 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)

General Notes

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