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Pepperl Fuchs LVL-M4-B
Vibration Limit Switch with Short Tube
- MPN
- LVL-M4-B
- Category
- Vibration Limit Switches
Price and lead time confirmed within 1 business day
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What is the Pepperl Fuchs LVL-M4-B?
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
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
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, 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
Specifications
General specifications
| Order code (Pepperl+Fuchs part number) | 70170906 |
| 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-M4 |
| Housing | single compartment, aluminum, coated single compartment, 316L, cast single compartment, plastic dual compartment, L-shape, aluminum, coated |
| Lifecycle | Active (current Pepperl+Fuchs product) |
Functional safety related parameters
| Safety Integrity Level (SIL) | SIL 3 |
Supply
| Rated voltage | 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) Ur |
| 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/electronic insert FEL64DC: electronic insert FEL68: acc. to IEC 60947-5-6 (NAMUR) |
Interface
| 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 |
Input
| 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
| 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 |
Directive conformity
| Electromagnetic compatibility: Directive 2014/30/EU | EN 61326 |
| Low voltage: Directive 2014/35/EU | EN 61010-1 |
Conformity
| 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 |
Input characteristics
| Medium density | adjustment on the electronic insert > 0,5 g/cm3 or > 0,7 g/cm3 (other on request) |
Measurement accuracy
| 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) |
Operating conditions
| Installation conditions: Installation position | any position |
| Process conditions: Medium temperature | -50 ... 150 °C (-58 ... 302 °F) |
| Process conditions: Medium pressure | pe = 0 ... 100 bar (0 ... 1450.4 psi) over the entire temperature range , exceptions see process connections |
| Process conditions: 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 |
| Process conditions: Thermal shock resistance | ≤ 120 K/s |
| Process conditions: State of aggregation | liquid |
| Process conditions: Density | min. 0.5 g/cm3 , optional 0.4 g/cm3 |
| Process conditions: Viscosity | max. 10000 mm2/s (max. 10000 cSt) |
Ambient conditions
| 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 |
Mechanical specifications
| 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 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). |
Data for application in connection with hazardous areas
| EU-type examination certificate | see instruction manuals |
International approvals
| CSA approval | see instruction manuals |
| IECEx approval | see instruction manuals |
Indication and operation
| 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 |
Certificates and approvals
| Overspill protection | see approval (ZE) |
General information
| 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. |
Accessories
| Designation | see technical information (TI) |
No matching specifications
Downloads & documentation
Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.
Data sheets & manuals
- Datasheet LVL-M4-B
- Instruction Manual for CI approval
- Instruction Manual for CD approval
- Brief Instructions
- Manual VU121 Bluetooth module
- Manual
- Technical Information
- Brief Instructions - VU121 Bluetooth module
- Instruction Manual for E2 approval
- Brief Instructions - VU120 LED module
- Instruction Manual for EM approval
- Instruction Manual for E5 approval
- Instruction Manual for E3 approval
- Instruction Manual for EC approval
LVL-M4-B: frequently asked questions
When can LVL-M4-B be shipped?
LVL-M4-B is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up LVL-M4-B in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for LVL-M4-B and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LVL-M4-B, subject to availability and destination.
More Pepperl Fuchs parts
Pepperl Fuchs LVL-M4-BPrice and lead time confirmed within 1 business day
Request a Quote