Instruction Manual
1. Marking
Vibration Limit Switch for Liquids
LVL-M3
ATEX certificate: CSANe 23ATEX1157X
ATEX marking:
1 II 1/2G Ex ia IIC T6...T1 Ga/Gb
1 II 2G Ex ia IIC T6...T1 Gb
IECEx certificate: IECEx CSAE 23.0044X
IECEx marking:
Ex ia IIC T6...T1 Ga/Gb
Ex ia IIC T6...T1 Gb
Pepperl+Fuchs Group
Lilienthalstraße 200, 68307 Mannheim, Germany
Internet: www.pepperl-fuchs.com
2. Device Versions
Device type Basic
specifications
Optional
specifications
LVL-M3 -XXXXXX-XXXXXX-
XX
+XX
The X-marked letters of the type code are placeholders for versions of the
device.
The following specifications reproduce an extract from the product
structure and are used to assign.
Basic specifications
Option Type of probe
A Compact version
B Short tube version
C Tube extension
Option Housing, material
A Single compartment, aluminum, coated
P Single compartment, plastic
Option Electrical connection
A Gland M20, plastic, IP66/68,
NEMA type 4X/6P
B 1Gland M20, brass nickel plated, IP66/68,
NEMA type 4X/6P
F Thread M20, IP66/68, NEMA type 4X/6P
G Thread G1/2, IP66/68, NEMA type 4X/6P
H 2Thread NPT1/2, IP66/68, NEMA type 4X/6P
I 1Thread NPT3/4, IP66/68, NEMA type 4X/6P
M 1Plug M12, IP66/67, NEMA type 4X
1 Only in connection with feature Housing, material, option A
2 Only in connection with feature Housing, material, option P
Option Electrical output
N FEL48, 2-wire NAMUR
Option Approval
E2 ATEX/IEC II 1/2G, 2G Ex ia IIC T6 Ga/Gb
Optional specifications
Option Accessory enclosed
WP 3Weather protection cover, plastic
3 Only in connection with feature Housing, material, option A
3. Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation,
maintenance, and dismounting lies with the plant operator.
The personnel must be appropriately trained and qualified in order to carry
out mounting, installation, commissioning, operation, maintenance, and
dismounting of the device. The trained and qualified personnel must have
read and understood the instruction manual.
Prior to using the product make yourself familiar with it. Read the
instruction manual carefully.
4. Reference to Further Documentation
Observe directives, standards, and national laws applicable to the
intended use and the operating location.
The corresponding datasheets, manuals, declarations of conformity, EU-
type examination certificates, certificates, control drawings, and
temperature tables if applicable are an integral part of this document. You
can find this information under www.pepperl-fuchs.com.
For specific device information such as the year of construction,
scan the QR code on the device. As an alternative, enter the serial number
in the serial number search at www.pepperl-fuchs.com.
Refer to the relevant EU-type examination certificate to see the
relationship between the connected circuit type, the maximum permitted
ambient temperature, the temperature class, and the effective inner
reactances.
5. Intended Use
The device is only approved for appropriate and intended use.
Ignoring these instructions will void any warranty and absolve
the manufacturer from any liability.
The device is a vibration limit switch for minimum or maximum detection in
tanks, containers and piping with all types of liquids
Use the device only within the specified ambient and operating conditions.
Only use the device in media to which the process-contacting materials
of the device are sufficiently resistant.
The EU-type examination certificate in accordance with ATEX Directive
applies only to the use of apparatus under atmospheric conditions.
The device is an intrinsically safe apparatus according to
IEC/EN 60079-11.
The device can be used in hazardous areas containing gas, vapor, and
mist.
6. Improper Use
Protection of the personnel and the plant is not ensured if the device
is not used according to its intended use.
7. Mounting and Installation
Use appropriate protection measures in order to protect persons that have
contact with hazardous or toxic substances.
Do not mount a damaged or polluted device.
Mount the device in a way that the device is protected against mechanical
hazard.
If you expect dynamic loads, support the extension tube of the device.
Only use accessories specified by the manufacturer.
Include the device into the equipotential bonding.
Avoid inadmissibly high electrostatic charge plastic surfaces.
Avoid inadmissibly high electrostatic charge of insulated capacities or
insulated metal parts.
Requirements for Cables and Connection Lines
Only use cables and connection lines with a temperature range
appropriate to the application.
Install cables and cable glands in a way that they are not exposed to
mechanical hazards.
Observe the minimum bending radius of the conductors.
Observe the permissible core cross section of the conductor.
Crimp wire end ferrules on the conductor ends.
When installing the conductors the insulation must reach
up to the terminal.
Close all unused cable glands with the appropriate sealing plugs.
Requirements for Hazardous Area
Observe the installation instructions according to IEC/EN 60079-14.
Refer to the temperature tables for the relationship between permitted
ambient temperature, range of application and temperature class.
The device may be installed in Zone 1.
The measuring equipment of the device may be installed in Zone 0.
If circuits with type of protection Ex i are operated with non-intrinsically
safe circuits, they must no longer be used as circuits with type of
protection Ex i.
Observe the respective peak values of the field device and the associated
apparatus with regard to explosion protection when connecting intrinsically
safe field devices with intrinsically safe circuits of associated apparatus
(verification of intrinsic safety). Also observe IEC/EN 60079-14 and
IEC/EN 60079-25.
Keep the separation distances between all non-intrinsically safe circuits
and intrinsically safe circuits according to IEC/EN 60079-14.
Basic specification, feature Housing, Material, option A
Avoid impact effect or friction during mounting.
DOCT-8291 / 2023-08 1 / 2
