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Pepperl+Fuchs LVL-M4 Technical Information

Vibration limit switch
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LVL-M4
Vibration Limit Switch
Technical Information
ISO9001

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Summary of Contents for Pepperl+Fuchs LVL-M4

  • Page 1 LVL-M4 Vibration Limit Switch Technical Information ISO9001...
  • Page 2 Phone: +49 621 776 - 0 E-mail: info@de.pepperl-fuchs.com North American Headquarters Pepperl+Fuchs Inc. 1600 Enterprise Parkway Twinsburg, Ohio 44087 Phone: +1 330 425-3555 E-mail: sales@us.pepperl-fuchs.com Asia Headquarters Pepperl+Fuchs Pte. Ltd. P+F Building 18 Ayer Rajah Crescent Singapore 139942 Phone: +65 6779-9091 E-mail: sales@sg.pepperl-fuchs.com https://www.pepperl-fuchs.com...

  • Page 3: Table Of Contents

    Vibration Limit Switch LVL-M4 Contents Introduction ............7 Content of this Document .
  • Page 4 Vibration Limit Switch LVL-M4 Contents Performance Characteristics ........30 Reference Operating Conditions .
  • Page 5 Vibration Limit Switch LVL-M4 Contents Process ............40 10.1...
  • Page 6 Vibration Limit Switch LVL-M4 Contents Certificates and Approvals ......... . 60 13.1...

  • Page 7: Introduction

    Vibration Limit Switch LVL-M4 Introduction Introduction Content of this Document This document contains information that you need in order to use your product throughout the applicable stages of the product life cycle. These can include the following: • Product identification •...

  • Page 8: Safety Information

    Vibration Limit Switch LVL-M4 Introduction Safety Information Target Group, Personnel Responsibility for planning, assembly, commissioning, operation, maintenance, and dismounting lies with the plant operator. Only appropriately trained and qualified personnel may carry out mounting, installation, commissioning, operation, maintenance, and dismounting of the product. The personnel must have read and understood the instruction manual and the further documentation.
  • Page 9 Vibration Limit Switch LVL-M4 Introduction Informative Symbols Note This symbol brings important information to your attention. Action This symbol indicates a paragraph with instructions. You are prompted to perform an action or a sequence of actions. ▶ Reference to another section or to further documentation Permitted Procedures, processes or actions that are permitted.

  • Page 10: Registered Trademarks

    Bluetooth ® ® The Bluetooth word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Pepperl+Fuchs is under license. Other trademarks and trade names are those of their respective owners.

  • Page 11: Function And System Design

    Vibration Limit Switch LVL-M4 Function and System Design Function and System Design Point Level Detection Maximum or minimum detection for liquids in tanks or pipes in all industries. Suitable for leakage monitoring, pump dry-running protection or overfill prevention, for example.

  • Page 12: Input

    Vibration Limit Switch LVL-M4 Input Input Measured Variable Level (point level), MAX or MIN safety Measuring Range Depends on the installation location and the pipe extension ordered Maximum sensor length 6 m (20 ft)

  • Page 13: Output

    Vibration Limit Switch LVL-M4 Output Output Output and Input Versions Electronic Inserts 2-wire AC (electronic insert FEL61) • 2-wire AC version • Switches the load directly into the power supply circuit via an electronic switch. 3-wire DC-PNP (electronic insert FEL62) •...

  • Page 14: Safety Related Output Values

    Vibration Limit Switch LVL-M4 Output Safety Related Output Values The safety related documents (SI) are available on the product detail page of the devices on the Internet at www.pepperl-fuchs.com. Enter the order designation in the search field Select the appropriate product →...

  • Page 15: Electronic Inserts

    Vibration Limit Switch LVL-M4 Electronic Inserts Electronic Inserts 2-Wire AC (Electronic Insert FEL61) • 2-wire AC version • Switches the load directly into the power supply circuit via an electronic switch; always connect in series with a load • Functional testing without level change A functional test can be performed on the device using the test button on the electronic insert.
  • Page 16 Vibration Limit Switch LVL-M4 Electronic Inserts Terminal Assignment Always connect an external load. The electronic insert has integrated short-circuit protection. U 19...253 V AC I max: 350 mA >0,7 >0,5 L1 N Figure 5.1 2-wire AC, electronic insert FEL61 Behavior of Switch Output and Signaling ΔU...
  • Page 17 Vibration Limit Switch LVL-M4 Electronic Inserts Selection Tool for Relays 207 230 253 Figure 5.3 Recommended minimum holding power/rated power for load Holding power/rated power in VA Operating voltage in V AC Mode • Operating voltage: 24 V, 50 Hz/60 Hz •...

  • Page 18: 3-Wire Dc-Pnp (Electronic Insert Fel62)

    Vibration Limit Switch LVL-M4 Electronic Inserts 3-Wire DC-PNP (Electronic Insert FEL62) • 3-wire DC version • Preferably in conjunction with programmable logic controllers (PLC), DI modules as per EN 61131-2. Positive signal at switch output of electronics module (PNP) •...
  • Page 19 Vibration Limit Switch LVL-M4 Electronic Inserts Overvoltage protection Overvoltage category II Terminal Assignment U = 10...55 V DC 350 mA I max: 350 mA 55 V >0,7 >0,5 0.5 A L+ L- Figure 5.4 3-wire DC-PNP, electronic insert FEL62 Connection wiring with terminals...

  • Page 20: Universal Current Connection With Relay Output

    Vibration Limit Switch LVL-M4 Electronic Inserts Universal Current Connection with Relay Output (Electronic Insert FEL64) • Switches the loads via 2 volt-free changeover contacts • 2 galvanically isolated changeover contacts (DPDT), both changeover contacts switch simultaneously. • Functional testing without level change. A functional test can be performed on the device using the test button on the electronic insert or using the test magnet (can be ordered as an option) with the housing closed.
  • Page 21 Vibration Limit Switch LVL-M4 Electronic Inserts Terminal Assignment >0,7 U = 19...55 V DC >0,5 U 19...253 V AC 0.5 A Figure 5.6 Universal current connection with relay output, electronic insert FEL64 When bridged, the relay output works with NPN logic...

  • Page 22: Dc Connection, Relay Output (Electronic Insert Fel64Dc)

    Vibration Limit Switch LVL-M4 Electronic Inserts DC Connection, Relay Output (Electronic Insert FEL64DC) • Switches the loads via 2 volt-free changeover contacts • 2 galvanically isolated changeover contacts (DPDT), both changeover contacts switch simultaneously. • Functional testing without level change. Functional testing of the entire device can be performed using the test button on the electronic insert or with the test magnet (can be ordered as an option) with the housing closed.
  • Page 23 Vibration Limit Switch LVL-M4 Electronic Inserts Terminal Assignment >0,7 >0,5 U = 9...20 V DC 0.5 A L- PE Figure 5.8 DC connection with relay output, electronic insert FEL64DC When bridged, the relay output works with NPN logic Connectable load Behavior of Switch Output and Signaling Figure 5.9...

  • Page 24: 2-Wire Namur > 2.2 Ma/< 1.0 Ma (Electronic Insert Fel68)

    Vibration Limit Switch LVL-M4 Electronic Inserts 2-Wire NAMUR > 2.2 mA/< 1.0 mA (Electronic Insert FEL68) • To connect to switch amplifiers according to NAMUR (IEC 60947-5-6), a permanent power supply for the electronic insert must be ensured. • Signal transmission H-L edge 2.2 to 3.8 mA/0.4 to 1.0 mA according to NAMUR (IEC 60947-5-6) on 2-wire cabling •...
  • Page 25 Vibration Limit Switch LVL-M4 Electronic Inserts Terminal Assignment IEC 60947-5-6 8,2 V DC NAMUR – >0,7 >0,5 L+ L- PE L- L+ Figure 5.10 2-wire NAMUR > 2.2 mA/< 1.0 mA, electronic insert FEL68 Connection wiring with terminals Connection wiring with M12 plug in housing according to EN 61131-2 Behavior of Switch Output and Signaling 2.2...3.8 mA...
  • Page 26 Vibration Limit Switch LVL-M4 Electronic Inserts Note ® The Bluetooth module must be ordered separately, including the required battery, for use in conjunction with electronic insert FEL68 (2-wire NAMUR). Ordering information: • Type code, additional options, feature Accessories mounted, option VB (Prepared for Bluetooth) •...

  • Page 27: Indication And Communication

    Vibration Limit Switch LVL-M4 Indication and Communication Indication and Communication LED module VU120 (optional) 6.1.1 Supply Voltage U = 12 to 55 V DC U = 19 to 253 V AC, 50 Hz/60 Hz 6.1.2 Power Consumption S < 6 VA, P ≤...

  • Page 28: Bluetooth ® Module Vu121

    Vibration Limit Switch LVL-M4 Indication and Communication ® Bluetooth module VU121 ® Figure 6.2 Bluetooth module VU121 ® • The Bluetooth module can be connected via the COM interface to the following electronic inserts: FEL61, FEL62, FEL64, FEL64 DC, FEL67, FEL68 (2-wire NAMUR).
  • Page 29 Vibration Limit Switch LVL-M4 Indication and Communication Special Battery in Conjunction with Electronic Insert FEL68 (2-Wire NAMUR) ® • For energy-related reasons, the Bluetooth module VU121 requires a special battery when operated with electronics insert FEL68 (2-wire NAMUR). ® •...

  • Page 30: Performance Characteristics

    Vibration Limit Switch LVL-M4 Performance Characteristics Performance Characteristics Reference Operating Conditions • Ambient temperature: +23 °C (+73 °F) • Process temperature: +23 °C (+73 °F) • Density (water): 1 g/cm • Medium viscosity: 1 mPa·s • Process pressure: ambient pressure/unpressurized •...

  • Page 31: Influence Of The Process Temperature

    Vibration Limit Switch LVL-M4 Performance Characteristics Influence of the Process Temperature The switch point moves between +1.4 to -2.6 mm (+0.06 to -0.1 inch) in the temperature range from -50 to +150 °C (-58 to +302 °F) Influence of the Process Pressure The switch point moves between 0 to 2.6 mm (0 to 0.1 inch) in the pressure range...

  • Page 32: Mounting

    Vibration Limit Switch LVL-M4 Mounting Mounting Note Open the device only in a dry environment! Mounting Location, Orientation • Any orientation for device with short pipe up to approx. 500 mm (19.7 inch) • Vertical orientation for device with long pipe •...

  • Page 33: Installation Instructions

    Vibration Limit Switch LVL-M4 Mounting Installation Instructions 8.2.1 Take Viscosity into Consideration Note Viscosity values • Low viscosity : < 2000 mPa·s • High viscosity: > 2000 to 10000 mPa·s Low Viscosity Note Low viscosity, e. g. water: < 2000 mPa·s It is permitted to position the tuning fork within the installation socket.
  • Page 34 Vibration Limit Switch LVL-M4 Mounting 8.2.2 Avoid Buildup • Use short installation sockets to ensure that the turning fork can project freely into the vessel. • Leave sufficient distance between the buildup expected on the tank wall and the tuning fork.
  • Page 35 Vibration Limit Switch LVL-M4 Mounting 8.2.4 Align the Tuning Fork with the Marking The tuning fork can be aligned using the marking. Medium can thus run off easily and buildup is avoided. Markings may include the following: • Material specification, thread description or circle on the hexagonal nut or on the weld-in adapter •...

  • Page 36: Special Mounting Instructions

    Vibration Limit Switch LVL-M4 Mounting 8.2.7 Aligning the Cable Entry The housing can be turned and the cable aligned by turning the locking screw. 4 3.5 Nm Figure 8.8 Housing with external locking screw Special Mounting Instructions 8.3.1 Support the Device Support the device in the event of severe dynamic load.

  • Page 37: Environment

    Vibration Limit Switch LVL-M4 Environment Environment Ambient Temperature Range Warning! Permitted connection voltage exceeded! For electrical safety reasons, the maximum connection voltage for all electronic inserts at ambient temperatures below -40 °C (-40 °F) is limited to a maximum of 35 V DC.

  • Page 38: Storage Temperature

    Vibration Limit Switch LVL-M4 Environment Ordering information, optionally available • Ambient temperature -50 °C (-58 °F) Type code, additional options, feature Test, certificate, declaration, option U1 • Ambient temperature -60 °C (-76 °F) Type code, additional options, feature Test, certificate, declaration, option U2 Low-temperature electronic inserts are marked LT.

  • Page 39: Degree Of Protection

    Vibration Limit Switch LVL-M4 Environment Degree of Protection According to DIN EN 60529, NEMA 250 IP66/IP68 NEMA 4X/6P Type of housing: • Single compartment, plastic • Single compartment, aluminum, coated, Ex d/XP • Single compartment, 316L, cast, Ex d/XP •...

  • Page 40: Process

    In each case, the lowest value from the derating curves of the device and the selected flange applies. Note Devices with CRN approval: maximum 90 bar (1305 psi) for devices with a pipe extension. Additional information on the Pepperl+Fuchs website: www.pepperl-fuchs.com.

  • Page 41: Test Pressure

    Vibration Limit Switch LVL-M4 Process Process Pressure Range of the Sensors [psi] [bar] 1450 +150 [°C] [°F] +302 Figure 10.1 Process temperature Permitted pressure rating if the following option is selected: Type code, feature Application, temperature, Option B, 100 bar (1450 psi).

  • Page 42: Density

    Vibration Limit Switch LVL-M4 Process 10.5 Density Liquids with density > 0.7 g/cm Switch position > 0.7 g/cm (as-delivered state) Liquids with density 0.5 g/cm Switch position > 0.5 g/cm (can be configured via DIP switch) Liquids with density > 0.4 g/cm •...

  • Page 43: Mechanical Construction

    Vibration Limit Switch LVL-M4 Mechanical Construction Mechanical Construction Note The following dimensions are rounded values. For this reason, they may deviate slightly from the dimensions given on www.pepperl-fuchs.com. 11.1 Design, Dimensions Device Height The device height is calculated from the following components: •...
  • Page 44 Vibration Limit Switch LVL-M4 Mechanical Construction Housing and Cover All housings can be aligned. The locking screw on metal housings can be used to secure the alignment of the housing. ® Devices with a Bluetooth or LED module require a high cover (transparent plastic cover ®...
  • Page 45 Vibration Limit Switch LVL-M4 Mechanical Construction Ø101 (3.98) Figure 11.5 Single compartment 316L, cast, with Ex d/XP approval also: Type code, feature Housing, material, option G, unit of measurement mm (inch) Ø147 (5.79) Figure 11.6 Dual compartment, L-shaped, aluminum, coated, with Ex d/XP approval also:...
  • Page 46 Vibration Limit Switch LVL-M4 Mechanical Construction Temperature Spacer, Pressure-Tight Feed Through (optional) Provides sealed insulation for the vessel and a normal ambient temperature for the housing. 140 (5.51) Figure 11.7 Unit of measurement mm (inch) Temperature spacer or pressure-tight feed through Type code, feature Sensor design: •...
  • Page 47 Vibration Limit Switch LVL-M4 Mechanical Construction Short pipe • Material: 316L, sensor length L: depends on process connection • Material: Alloy C, sensor length L: depends on process connection • Sensor length L: • Flange = 115 mm (4.53 inch) •...
  • Page 48 Vibration Limit Switch LVL-M4 Mechanical Construction Process Connections Thread ISO 228 G for installing in weld-in adapter G3/4, G1 suitable for installing in weld-in adapter • Material: 316L • Pressure rating, temperature: 40 bar (580 psi), 100 °C (212 °F) ...
  • Page 49 Vibration Limit Switch LVL-M4 Mechanical Construction Thread EN 10226, R 66 (2.6) 69 (2.72) 50.5 (1.99) 50.5 (1.99) Figure 11.17 Thread EN10226, R3/4, unit of Figure 11.18 Thread EN10226, R1, unit of measurement mm (inch) measurement mm (inch) Tri-Clamp Version ISO 2852 DN25-38 (1 to 1-1/2), DIN 32676 DN25-40 •...
  • Page 50 Vibration Limit Switch LVL-M4 Mechanical Construction ASME B16.5 flanges, RF (Raced Face) Pressure rating Type Material Weight Cl.150 NPS1 316/316L 1.0 kg (2.21 lb) Cl.150 NPS1-1/4 316/316L 1.2 kg (2.65 lb) Cl.150 NPS2 316/316L 2.4 kg (5.29 lb) Cl.150 NPS2 Alloy C22 >...
  • Page 51 Vibration Limit Switch LVL-M4 Mechanical Construction EN flanges EN 1092-1, form A Pressure rating Type Material Weight DN40 316L (1.4404) 1.4 kg (3.09 lb) DN50 316L (1.4404) 1.6 kg (3.53 lb) PN10/16 DN80 316L (1.4404) 4.8 kg (10.58 lb) PN10/16 DN100 316L (1.4404)
  • Page 52 Vibration Limit Switch LVL-M4 Mechanical Construction EN flanges EN 1092-1, form D Type Material Pressure rating Weight DN32 316L (1.4404) 1.2 kg (2.65 lb) DN50 316L (1.4404) PN25/40 3.2 kg (7.06 lb) Table 11.7 EN flanges EN 1092-1, form E...

  • Page 53: Weight

    Vibration Limit Switch LVL-M4 Mechanical Construction 11.2 Weight Basic Weight: 0.65 kg (1.43 lb) The basic weight comprises: • Sensor (compact) • Electronic insert • Housing: single compartment, plastic with cover • Thread, G3/4 Note ® Differences in weight result from the housing, LED or Bluetooth module (incl.

  • Page 54: Materials

    Vibration Limit Switch LVL-M4 Mechanical Construction 11.3 Materials Materials in Contact with Process • Process connection: 316L (1.4404 or 1.4435) • Pipe extension: 316L (1.4404 or 1.4435) • Flat seal for process connection G3/4 or G1: fiber-reinforced elastomer seal, asbestos-free as per DIN 7603 •...

  • Page 55: Surface Roughness

    Vibration Limit Switch LVL-M4 Mechanical Construction Stainless steel housing • Housing: stainless steel AISI 316L (1.4409) • Cover: AISI 316L (1.4409) • Cover seal materials: FVMQ (in low temperature version only) • Cover seal materials: HNBR • Nameplate: stainless steel 316L •...

  • Page 56: Operability

    Vibration Limit Switch LVL-M4 Operability Operability 12.1 Operating Concept • Operation with button and DIP switches on the electronic insert ® ® • Display with optional Bluetooth module and P+F Level app via Bluetooth wireless technology • Indication of operational status (switch status or alarm status) with optional LED module (lights visible from the outside) •...

  • Page 57: Local Operation

    Vibration Limit Switch LVL-M4 Operability 12.4 Local Operation Operation at Electronic Insert MAX/MIN fail-safe mode Figure 12.2 Switch position on the electronic insert for fail-safe mode MAX/MIN MAX (maximum fail-safe mode) MIN (minimum fail-safe mode) • Minimum/maximum quiescent current safety can be switched at the electronic insert •...

  • Page 58: Local Display

    Vibration Limit Switch LVL-M4 Operability Functional test of the electronic switch with a test magnet The test magnet can be ordered as an option: Type code, additional options, feature Accessory enclosed option ST (test magnet). Possible for the following electronic inserts: FEL62, FEL64, FEL64DC, FEL68.

  • Page 59: Diagnostic Information

    Vibration Limit Switch LVL-M4 Operability ® Bluetooth Module VU121 (optional) Functions ® • Connection via COM interface: Bluetooth module for device diagnostics via a mobile phone app or tablet app • Display the battery status via app when used with electronic insert FEL68 (NAMUR) •...

  • Page 60: Certificates And Approvals

    The measuring system meets the legal requirements of the applicable EU Directives. These are listed in the corresponding EU Declaration of Conformity together with the standards applied. Pepperl+Fuchs confirms successful testing of the device by affixing to it the CE mark.

  • Page 61: Overfill Protection

    Vibration Limit Switch LVL-M4 Certificates and Approvals 13.4 Overfill Protection Before mounting the device, observe the documentation from the WHG approvals (German Federal Water Act). Approved for overfill protection and leakage detection. Note Ordering information: Type code, additional options, feature Additional approval, option WH 13.5...

  • Page 62: Pressure Equipment Directive

    North American practice for the installation of process seals. In accordance with ANSI/ISA 12.27.01, Pepperl+Fuchs devices are designed as either single seal or dual seal devices with a warning message. This allows the user to waive the use of - and save the cost of installing - an external secondary process seal in the protective conduit as required in ANSI/NFPA 70 (NEC) and CSA 22.1 (CEC).

  • Page 63: Ordering Information

    – – (1) (2) (3) (4) – (5) (6) (7) (8) (9) (10) – (11) (12) . LVL-M4 Device LVL-M4 Vibration limit switch for liquids Type of probe Compact version Short tube version Tube extension Special version Process connection, sealing surface Flange ASME B16.5, RF (Raced Face)
  • Page 64 Vibration Limit Switch LVL-M4 Ordering Information Process connection NPS 2 inch, Cl.300, 316/316L NPS 2 inch, Cl.150, Alloy C22 > 316/316L NPS 3 inch, Cl.300, Alloy C22 > 316/316L NPS 3 inch, Cl.150, 316/316L NPS 3 inch, Cl.300, 316/316L NPS 4 inch, Cl.150, 316/316L NPS 4 inch, Cl.300, 316/316L...
  • Page 65 Vibration Limit Switch LVL-M4 Ordering Information Process connection 10K 25A, 316L 10K 40A, 316L 10K 50A, 316L 10K 80A, 316L 10K 100A, 316L 10K 50A, Alloy C22 > 316L ISO 228 threads, EN 10226 threads, ASME B1.20.3 threads G3/4 inch, 316L, installation > accessory weld-in adapter...
  • Page 66 Vibration Limit Switch LVL-M4 Ordering Information Electrical connection Thread M20, IP66/68, NEMA type 4X/6P Thread G1/2, IP66/68, NEMA type 4X/6P Thread NPT1/2, IP66/68, NEMA type 4X/6P Thread NPT3/4, IP66/68, NEMA type 4X/6P Plug M12, IP66/67, NEMA type 4X Special version Application, temperature Process: max.
  • Page 67 Vibration Limit Switch LVL-M4 Ordering Information (11) Approval ATEX/IEC II 1/2G, 2G Ex de IIC T6 Ga/Gb ATEX/IEC II 3G Ex ec IIC T6 Gc, II 3D Ex tc IIIC Dc ATEX/IEC II 1/2G, 2G Ex db IIC T6 Ga/Gb, II 1/2D, 2D Ex ta/tb IIIC Da/Db UK Ex ia IIC T6 Ga (max.
  • Page 68 Vibration Limit Switch LVL-M4 Ordering Information (12) Additional approval SIL Functional Safety WHG overfill protection, leakage (12) Sensor design Pressure tight feed through (second line of defense) Temperature spacer Special version (12) Accessory mounted Bluetooth module VU121 Prepared for Bluetooth...

  • Page 69: Tag

    Vibration Limit Switch LVL-M4 Ordering Information 14.2 Measuring Point (TAG) The device can be ordered with a tag name. Position of the Tag Marking Choose from the following in the additional specification: • Tag plate, stainless steel • Plastic film •...

  • Page 70: Application Packages

    Vibration Limit Switch LVL-M4 Application Packages Application Packages 15.1 Verification and Monitoring Type code, additional options, feature Application package, option HH (Verification and monitoring) can only be selected in conjunction with optional ® Bluetooth module: Type code, additional options, feature Accessory mounted, option BL 15.2...

  • Page 71: Accessories

    Vibration Limit Switch LVL-M4 Accessories Accessories 16.1 Enclosed Accessories These accessories can be ordered together with the device via the type code, additional options, feature Accessory enclosed or can be ordered separately. 16.1.1 Test Magnet Type code, additional options, feature Accessory enclosed, Option ST Order number: 71580748 Figure 16.1...

  • Page 72: Additional Accessories

    Vibration Limit Switch LVL-M4 Accessories 16.1.3 Protective Cover for Single Compartment Housing, Aluminum or 316L Type code, additional options, feature Accessory enclosed, Option WP Material: plastic Order number: 71580796 115 (4.53) 140 (5.51) 32 (1.26) Figure 16.3 Protective cover for single compartment housing, aluminum or 316L, unit of measurement mm (inch) 16.2...
  • Page 73 Vibration Limit Switch LVL-M4 Accessories ® 16.2.2 Bluetooth Module VU121 (optional) ® The Bluetooth module can be connected to the following electronic inserts via the COM interface: FEL61, FEL62, FEL64, FEL64DC, FEL68 (2-wire NAMUR). Type code, additional options, feature Accessory mounted, Option BL ®...
  • Page 74 Vibration Limit Switch LVL-M4 Accessories 16.2.3 Female Cordset V1-W-5M-PVC • Interfaces • Connector, socket, M12, angled, A-coded • Cable 5 m (16 foot) • Ambient temperature • Connector: -40 to 90 °C (-40 to 194 °F) • Cable, fixed: -25 to 70 °C (-13 to 158 °F) •...
  • Page 75 Vibration Limit Switch LVL-M4 Accessories 16.2.4 Sliding Sleeves for Unpressurized Operation Switch point, infinitely adjustable. M6 (3x) M6 (3x) G1½ A (1 NPT) (1½ NPT) Figure 16.7 Sliding sleeves for unpressurized operation p = 0 bar (0 psi), unit of measurement...
  • Page 76 Vibration Limit Switch LVL-M4 Accessories 16.2.5 High Pressure Sliding Sleeves • Switch point, infinitely adjustable • Use in hazardous areas • Seal package made of graphite • Graphite seal available as spare part 71078875 • In the case of G1, G1-1/2: seal is included in the delivery Ø60 (2.36)
  • Page 77 Vibration Limit Switch LVL-M4 Accessories G1-1/2, DIN ISO 228/1 • Material: Alloy C22 • Weight: 1.32 kg (2.91 lb) • Approval: with inspection certificate EN 10204 - 3.1 material • Order number: 71118693 NPT1-1/2, ASME B 1.20.1 • Material: 1.4435 (AISI 316L) •...

  • Page 78: Supplementary Documentation

    Vibration Limit Switch LVL-M4 Supplementary Documentation Supplementary Documentation Note For further information is available on the product detail page of the devices on the Internet at www.pepperl-fuchs.com. Enter the order designation in the search field Select the appropriate product →...
  • Page 79 Vibration Limit Switch LVL-M4 Notes...
  • Page 80 Pepperl+Fuchs Quality Download our latest policy here: www.pepperl-fuchs.com/quality TI01403O/98/EN/03.21 www.pepperl-fuchs.com © Pepperl+Fuchs · Subject to modifications Printed in Germany / DOCT-8105...

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