Veeder-Root Mag-FLEX User manual

Manual No: 577014-038 Revision: C
Installation Manual - EU Version
Mag-FLEX Probe

Notice
This product is intended for use in conjunction with a Gilbarco Veeder-Root automatic tank gauge system for the
purpose of liquid fuel storage tank level measurement. Only Gilbarco Veeder-Root sensors may be connected to the
console. Connection of any sensor not supplied by Gilbarco Veeder-Root may result in damage to the console, impair
system performance and/or impair the system safety. Connection of any sensor not supplied by Gilbarco Veeder-
Root will void the product warranty.
Gilbarco Veeder-Root makes no warranty of any kind with regard to this publication, including, but not limited to, the
implied warranties of merchantability and fitness for a particular purpose.
Gilbarco Veeder-Root shall not be liable for errors contained herein or for incidental or consequential
damages in connection with furnishing, performance, or use of this publication.
Gilbarco Veeder-Root reserves the right to change system options or features, or the information contained in this
publication.
This publication contains proprietary information which is protected by copyright. All rights reserved. No part of this
publication may be photocopied, reproduced, or translated to another language without the prior written consent of
Gilbarco Veeder-Root.
For complete warranty, technical support and additional product information refer to your Gilbarco Veeder-Root
representative.
DAMAGE CLAIMS
Thoroughly examine all components and units as soon as they are received. Check the items supplied against the
delivery note for shortages and incorrect items. Immediately notify Gilbarco Veeder-Root of any damage, loss or
incorrect items.
RETURN SHIPPING
Before returning any Gilbarco Veeder-Root equipment please request a returned goods authorisation (RGA) from
Gilbarco Veeder-Root customer care. Instructions for the return of goods will be provided.
Please do not return any product without first obtaining authorisation.
© Gilbarco Veeder-Root 2021. All rights reserved.

Table of Contents
iii
Introduction
Tank Gauge Requirements ...............................................................................................1
Related Documents ..........................................................................................................1
Contractor Certification Requirements ..............................................................................1
Safety Symbols .................................................................................................................2
Safety Marking ..................................................................................................................2
EC-Type Certificates For An Intrinsically Safe System ............................................3
Before You Begin ..............................................................................................................4
Equipment Protection ...............................................................................................4
Equipotential Bonding...............................................................................................5
Minimization Of Electrostatic Hazards......................................................................5
Lightning And Surge Protection................................................................................5
Mag-FLEX Probe Overview
Product Description ..........................................................................................................6
Mag-FLEX Technical Data ................................................................................................7
Mag-FLEX Probes Part Number Specification ..................................................................8
Mag-FLEX Spare Parts And Accessories...............................................................10
Fafnir BA-350 Protection Device (Surge Protector) ........................................................10
Information On Safe Use........................................................................................10
Information On Safe Mounting Resp. Demounting.................................................10
Information On Safe Installation .............................................................................10
Information On Safe Adjustment ............................................................................11
Information On Safe Putting Into Service ...............................................................11
Information On Safe Maintenance And Repairing ..................................................11
Mag-FLEX Probe Length Calculation .............................................................................12
Probe Handling ...............................................................................................................12
System Safety Layout
Field Cable Ducting / Cable Trays ..................................................................................13
Cable Specifications For Intrinsically Safe Apparatus Cabling .......................................13
Mag-FLEX Installation And Handling Procedure
Probe Installation Requirements .....................................................................................14
Miscellaneous Requirements ..........................................................................................14
Tank Entry ..............................................................................................................14
Probe Assembly .....................................................................................................14
Tools And Materials................................................................................................14
Mag-FLEX Probe Installation ..........................................................................................15
Mag-FLEX Probe-To-Surge Protector Wiring Connections ............................................20
BA-350A Surge Protector - Wired Installations Only ..............................................20
Veeder-root Surge Protectors.................................................................................21
TLS Setup .......................................................................................................................24
Appendix A: Mag-FLEX Safety Information
Equipment Marking ....................................................................................................... A-1
Technical Data .............................................................................................................. A-1
Specific Conditions of Use ............................................................................................ A-2

Table of Contents
iv
Figures
Figure 1. View Into Open Enclosure Of A BA-350-2 ............................................11
Figure 2. BA-350 Surge Protector Installation Examples .....................................19
Figure 3. Veeder-Root Single- And Dual-Channel Surge Protector
Installation Examples ............................................................................19
Figure 4. Splice Length Dimensions ....................................................................21
Figure 5. Splice Connections ...............................................................................22
Figure 6. Removing Sealing Compound Clip .......................................................23
Figure 7. Pouring Sealing Compound Into Sleeve ...............................................23
Tables
Table 1. Temperature Class Ta Tf ..........................................................................3
Table 2. Dimensions for Mag-FLEX Probe Tank Opening ......................................6
Table 3. ATEX Version - For TLS4/4B pre-Version 6A or
TLS-450 pre-Version 4M or TLS-3xx & TLS 2 / 2P All Versions ...............8
Table 4. ATEX Version - For TLS4 & 4B from Version 6A or
TLS-450 from Version 4M .........................................................................9
Table A-1. Temperature Class Ta Tf ...................................................................... A-1

1
Introduction
This manual contains installation instructions for the Veeder-Root Mag-FLEX probe. Procedures contained within
this manual include:
• Site layout considerations
• Installing the Mag-FLEX
• Cabling between the Mag-FLEX and the TLS Console
• TLS Console used with the Mag-FLEX
Tank Gauge Requirements
The Mag-FLEX is a digital flexible probe designed to measure product temperature, product level and water level
in large storage tanks. The Mag-FLEX probes can measure liquid heights of up to 9.9 metres with TLS2 consoles
and up to 22 metres with TLS-3XX and TLS4/TLS-450 consoles (reference table below). For storage vessels with
maximum liquid levels up to 3.66 metres it is recommended that a Veeder-Root Mag Plus probe be used.
Related Documents
It is important that installers have knowledge of all relevant procedures before commencing work. Read and
understand all manuals thoroughly. Do not to undertake work without understanding safety and required
installation practices. For ATG installation and set-up refer to the appropriate TLS manual.
Contractor Certification Requirements
Service Technician Certification (Previously known as Level 2/3): Contractors holding valid Technician
Certifications are approved to perform installation checkout, startup, programming and operations training, system
tests, troubleshooting and servicing for all Veeder-Root Series Tank Monitoring Systems, including Line Leak
Detection.
TLS-3xx Technician Certification: Contractors holding valid TLS-350 Technician Certifications are approved to
perform installation checkout, startup, programming and operations training, troubleshooting and servicing for all
Veeder-Root TLS-300 or TLS-350 Series Tank Monitoring Systems, including Line Leak Detection and associated
accessories.
TLS-4xx Technician Certification: Contractors holding valid TLS-450 Technician Certifications are approved to
perform installation checkout, startup, programming and operations training, troubleshooting and servicing for all
Veeder-Root TLS-450 Series Tank Monitoring Systems, including Line Leak Detection and associated accessories.
All service personal on site must comply with all recommended safety practices identified by OSHA and your
employer.
Review and comply with all the safety warnings in this and any related documents, and any other Federal, State or
Local requirements.
Warranty Registrations may only be submitted by selected Distributors.
Console with Mag-FLEX
Max Height (metres) Max Volume (litres)
Front Panel Serial Line Front Panel Serial Line
TLS2 9.9 9.9 984,100 984,100
TLS-300 22.0 22.0 3,785,408 3,785,408
TLS-350 22.0 22.0 3,785,408 3,785,408
TLS-450 22.0 22.0 9,999,999 9,999,999

Introduction Safety Symbols
2
Safety Symbols
The following safety symbols may be used throughout this manual to alert you to important safety hazards and
precautions.
Safety Marking
The Mag-FLEX Probe is an intrinsically safe apparatus designed to be installed in Zone 0 and on the boundary of
hazardous areas between Zone 1 and Zone 0, i.e., the wall of a fuel tank. Associated apparatus connected to this
product must have a compatible barrier and/or shall have suitable entity parameters.
EXPLOSIVE
Fuels and their vapors are extremely explo-
sive if ignited.
FLAMMABLE
Fuels and their vapors are extremely flammable.
SLIPPERY
Curved metal tank surfaces can be extremely
slippery. Wear approved boots with slip
resistant soles.
FALLING OBJECTS
Being struck by even small objects falling from tall struc-
tures can result in severe injury or death. Wear your hard
hat at all times when working alongside tall structures.
POWER
To prevent ignition of flammable or combusti-
ble atmospheres, disconnect battery before
servicing.
NOTICE is used to address practices not related to
physical injury.
WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
CAUTION indicates a hazardous situation which, if
not avoided, could result in minor or moderate
injury.
SAFETY HARNESS
Injury or death resulting from falls while work-
ing on tall structures can be prevented by
wearing a 5-point harness that is tethered
securely by a shock absorbing lanyard to the
structure.
SAFETY BARRICADES
Unauthorized people or vehicles in the work area are dan-
gerous. Always use safety cones or barricades, safety
tape, and your vehicle to block the work area.
READ ALL RELATED MANUALS
Knowledge of all related procedures before
you begin work is important. Read and
understand all manuals thoroughly. If you do
not understand a procedure, ask someone
who does.
Device suitable for potentially explosive areas
II
Group II: for installations in areas other than mines and related
surface equipment
1
Category 1: to be installed in Zone 0, Zone 1 or Zone 2 hazard-
ous areas
1/2
Category 1/2: to be installed on the boundary of Zones 0 and
Zone 1 hazardous areas
2Category 2: to be installed in Zone 1 or Zone 2 hazardous areas
G
For potentially dangerous areas characterized by the presence
of gases, vapours or mists
OFF
NOTICE
WARNING
CAUTION

Introduction Safety Marking
3
This apparatus is an intrinsically safe device suitable that is intended to be installed in hazardous areas
characterized by the presence of gases, vapours or mists formed by groups IIA or IIB dangerous substances. The
Mag-FLEX is in compliance with the Directive 94/9/EC (ATEX). The sample of the type has been tested by TÜV
NORD CERT GmbH, ID 0044, Langemarckstraße 20, 45141 Essen, Germany, and approved by the issue of the
EC type certificate, where the complete name Mag Plus 1 Flex is used.
TÜV 12 ATEX 105828
The manufacturing process has been approved by BASEEFA which has authorized the use of its ID 1180 after the
symbol of the CE marking.
When used in potentially explosive atmospheres, the maximum service temperature depending on the temperature
class and category is shown below:
EC-TYPE CERTIFICATES FOR AN INTRINSICALLY SAFE SYSTEM
TLS Monitoring Systems are installed according to the conditions specified in the applicable ATEX Certificates.
ATEX Certificate Number DEMKO 06 ATEX 137480X is the system certificate that details all of the equipment
that is approved for use in a TLS Monitoring System. Except for the cables used to connect intrinsically safe
apparatus, information contained on the system certificate and each of the device certificates, provide the safety
related information (i.e., Ex ia) required to install a TLS Monitoring System. Cables used to connect intrinsically
safe apparatus must be considered in determining ATEX compliance and are limited to the maximum allowable
cable parameters listed in this manual. For assistance in calculating the required (Ex ia) safety parameters, contact
GVR as described on the inside cover of this manual. Additional equipment compliance information is available on
the EC Declaration of Conformity including the technical standards applied by the Notified Body in creating the
respective ATEX Certificates.
Table 1. Temperature Class Ta Tf
Temperature
Class Ambient Temperature Range Medium Temperature
Category 1 and EPL Ga
(Filling level sensor entirely erected in Zone 0)
T4, T3, T2, T1 -20°C to +60°C -20°C to +60°C
Category 1/2 and EPL Ga/Gb
(Sensor pipe erected in Zone 0, Sensor head erected in Zone 1)
T4, T3, T2, T1 -40°C to +75°C -20°C to +60°C
Category 2 and EPL Gb
(Filling level sensor entirely erected in Zone 1)
T4 -40°C to +75°C -40°C to +135°C
T3 -40°C to +75°C -40°C to +200°C
T1 -40°C to +75°C -40°C to +300°C
T1 -40°C to +75°C -40°C to +450°C

Introduction Before You Begin
4
Before You Begin
Before you begin installation, please read the following guidelines:
Mag-FLEX probes are intended for installation and operation in the highly combustible environment of a petroleum
fuel storage tank. It is essential that you carefully read and follow the warnings and instructions in this manual to
protect yourself and others from serious injury, explosion, or electrical shock.
For safety reasons, we have taken particular care in the design of this product to limit the power in the wiring to the
fuel tanks and to keep that wiring physically separated from any other wiring. It is your responsibility to maintain the
effectiveness of these safety features by installing this product in accordance with the following instructions and
warnings. Failure to do so could create danger to life and property.
Failure to install this product in accordance with its instructions and warnings will result in voiding of all product
warranties.
EQUIPMENT PROTECTION
TLS monitoring equipment, including the Mag-FLEX Probe, is designed and certified to comply with the Directive
94/9/EC (ATEX) and the IECEx scheme. The installer must consider any local regulations, which may differ or be
more stringent, prior to installing any equipment. The suitability/safety of any installation is ultimately determined by
the local authority having jurisdiction.
The Mag-FLEX Probe is part of the TLS Monitoring System and can be installed in equipment Category 1 and is
suitable for use in a Zone 0 hazardous location. Extreme care must be taken when determining the suitability of the
installation conditions and operation of the TLS Monitoring System. The Mag-FLEX probe is provided with a
standard process connection suitable for the boundary between zone 0 and zone 1 locations. In addition to the
mounting location and method, at least the following items must be considered and will aid in the determination if a
probe is to be installed in the boundary between Zone 0 and Zone 1 or if it will be installed directly in a Zone 0
hazardous location:
WARNING
The Mag-FLEX is installed and operated in the highly combustible environment of a petroleum
storage tank,
FAILURE TO COMPLY WITH THE FOLLOWING WARNINGS AND SAFETY PRECAUTIONS
COULD CAUSE DAMAGE TO PROPERTY, ENVIRONMENT, RESULTING IN SERIOUS INJURY OR
DEATH.
1. It is essential that you carefully read and follow the warnings and instructions in this
manual to protect yourself and others from serious injury due to fire or explosion. Failure
to do so could result in undetected potential environmental and health hazards.
2. Comply with all local regulations, codes of practice, and other applicable safety codes. All
wiring must comply with relevant local electrical regulations and codes.
3. Confirm that the site maintains current storage tank certification prior to commencing
work.
4. Installation must only be carried out by personnel trained and competent in petroleum fuel
storage tank work.
5. Perform appropriate safety checks prior to commencing any work.
6. Failure to comply with these requirements could result in death, serious personal injury,
property loss, or equipment damage.
7. Substitution of components may impair intrinsic safety.
8. Circuitry within the Mag-FLEX is intrinsically safe only when connected to the appropriate
barrier.

Introduction Before You Begin
5
1. Equipotential bonding of the installation site,
2. Minimizing static hazards associated with the underground storage of flammable liquids, and
3. Protection of the system against lightning strikes and any other source of possible electrical surges caused by
electrical railway systems, high voltage direct current facilities and the like.
EQUIPOTENTIAL BONDING
Consult any local regulations prior to installing a Mag-FLEX Probe into any tank. The Mag-FLEX is supplied with an
approved process connection.
The intrinsically safe circuit in the TLS Monitoring System is derived from a fuse protected zener diode intrinsic
safety barrier. This type of explosion protection requires that the intrinsically safe electric circuit is referenced to the
safety ground associated to the mains circuit. If the site has a submersible pump (DIN/EN 15268) connected to
the same mains safety ground as the TLS Monitoring System Console and it is installed in a metallic riser of a
metallic storage tank, the zener diode barrier must be referenced to the same earth (safety) ground.
The body of the probe can be directly bonded to the tank structure via a 4mm2 cable (not supplied) using the
grounding screw and saddle clamp on the probe housing.
MINIMIZATION OF ELECTROSTATIC HAZARDS
Consult any local regulations prior to installing a Mag-FLEX probe into any tank. Veeder-Root supplies approved
process connections for installations where direct connection between the probe body and tank structure is
required (see Probe Installation Using Process Connection instructions below).
The Mag-FLEX probe housing complies with the 500 volt electrical strength requirements in IEC/EN 60079-11. In
addition, the probe housing should be equipotentially bonded to the tank structure via a 4mm2 wire (not provided)
and the saddle clamp and grounding screw on the probe housing.
All TLS Consoles provide an alarm if either of the two wires to the Mag-FLEX probe is disconnected or short
circuited due to a malfunction.
If a probe must be serviced or replaced, observe any required relaxation time prior to opening any covers and
removing the probe.
LIGHTNING AND SURGE PROTECTION
Consult any local regulations prior to installing a Magnetostrictive Probe into any tank. Local rules or regulations
may require surge arrestors when installing equipment that crosses from a less restrictive zone, e.g., zone1 to zone
0 independent of the risk assessment. When required Veeder-Root can supply appropriate surge protection
devices.
In locations where the intrinsically safe cables or circuits are considered to be at risk of developing hazardous
potential differences within Zone 0, an external surge protection device may be needed. Perform the lightning risk
analysis to determine if surge protection is required, and if necessary, the surge protector shall be installed in
accordance with IEC/EN 60079-25 and IEC/EN 60079-14. Reference Figure 2 and Figure 3 for mounting
locations for a surge protector.
When they are deemed necessary, the surge arrestor shall either be a certified in-line device or a simple apparatus
conforming to the requirements of EN 60079-14: Electrical installations design, selection and erection. Only gas-
discharge type surge protectors that comply with Clause 12 of IEC/EN 60079-25 are acceptable. Additional
installation requirements for surge protection devices are defined in Clause 12.3 of standard IEC/EN 60079-14.

6
Mag-FLEX Probe Overview
Product Description
The Mag-FLEX is digital flexible probe is able to read temperature, product level and water level in the tank.
The Mag-FLEX Probe is a corrugated flexible probe designed to be used with any TLS console wherever there is a
requirement to monitor liquid levels higher than the current maximum height of Veeder-Root Mag probes (3.66m).
The following table details Mag-FLEX maximum measuring heights:
Mag-FLEX Probe Limitations
Any combination of Mag and Mag-FLEX probes can be connected to a TLS console, up to the maximum number
of inputs available on the channel.
The Mag-FLEX Probe has a weight and magnet at the base of the probe to give stability, suitable for use in a wide
range of products and available with or without water detection. The Mag-FLEX Probe with standard water float
uses a process connection requiring a 1-½” tank entry point with a BSP thread. Table 2 lists minimum tank
opening required for the Veeder-Root Mag-FLEX probe with the standard water float and with the optional low
level water float.
Maximum Limits
Console Series
TLS-450/TLS-XB TLS4/8601 TLS-350 TLS-300 TLS2
Probe Length in Centimeters 2,200 2,200 2,200 2,200 975
Tank Volume in Litres 9,999,999 9,999,999 3,785,408 3,785,408 984,207
Maximum Number of Mag-
FLEX Probes per Console 32 12 16 2 or 4 6
Table 2. Dimensions for Mag-FLEX Probe Tank Opening
V-R Water Float
V-R Water Float OD
inch (mm)
Recommended Tank Opening Size
inch mm
Standard 1.7 (43) 2 50
Low Level 3.8 (96.52) 4 100

Mag-FLEX Probe Overview Mag-FLEX Technical Data
7
Mag-FLEX Technical Data
• Level accuracy:
- Precision: +/- 2mm
- Repeatability: +/- 0.5mm
- Resolution: 0.001 mm
• Digital communication
• Temperature sensing
• Water detection (optional)
• Max liquid height: 15.0m
• Top mounted
• Process connection: for height adjustable
installation R 1½” stainless steel, WAF 55
• Electrical connection: M12 connector
• Housing index of protection: IP68
• Sensor materials:
- Housing in stainless steel: 303
- Tube: 316Ti
- Corrugated hose: 316L
• Weight: stainless steel: 316L.
Encapsulation of retaining magnet:
conductive plastic (PTFE with graphite)
• Ex approvals: TÜV 12 ATEX 105828, IECEx
TUN 12.0027
• Operating temperature range: -20 °C to +60
°C when fully installed in Zone 0, from -40
°C to +75 °C in all other locations
Ø 43mm
Ø 47,2mm
Ø 34mm
M12 coupling (Probe connector)
Earth Connector
Probe canister
M6 x 10mm socket cap screw
(5mm Hex drive)
Screw-in process connection
1-1/2” BSP, 55mm, stainless steel
Probe shaft Ø 12mm, stainless steel
(adjustment range)
Corrugated shaft Ø 12mm,
stainless steel
Probe shaft Ø 12mm, stainless steel
Water float Ø 43mm
Weight, stainless steel
Magnetic base
Product float Ø 43mm x 43mm high
500 mm
120 mm 500 mm
123 mm
Probe Length

Mag-FLEX Probe Overview Mag-FLEX Probes Part Number Specification
8
Mag-FLEX Probes Part Number Specification
Table 3 and Table 4 contain part numbers for ATEX version Mag-FLEX probes.
Table 3. ATEX Version - For TLS4/4B pre-Version 6A or TLS-450 pre-Version 4M or TLS-3xx & TLS 2 / 2P All Versions
Part Numbers* – ATEX Version English - Feet Metric - mm
88956Y-1XX (Petroleum up to E10)
88956Y-2XX (Diesel)
88956Y-3XX (No Water Detect)
(Where Y = 0 or 1 depending on factory
build date; and XX = numbers selected
in the column below) Min. length Max. Length Min. length Max. Length
00 6.56 2000
01 6.59 9.84 2010 3000
02 9.88 13.12 3010 4000
03 13.16 16.40 4010 5000
04 16.44 19.69 5010 6000
05 19.72 22.97 6010 7000
06 23.00 26.25 7010 8000
07 26.28 29.53 8010 9000
08 29.56 32.81 9010 10000
09 32.84 36.09 10010 11000
10 36.12 39.37 11010 12000
11 39.40 42.65 12010 13000
12 42.68 45.93 13010 14000
13 45.96 49.21 14010 15000
14 49.25 52.50 15010 16000
15 52.52 55.77 16010 17000
16 55.81 59.06 17010 18000
17 59.08 62.33 18010 19000
18 62.36 65.61 19010 20000
19 65.64 68.89 20010 21000
20 68.93 72.18 21010 22000
*For example, to order a Mag-FLEX Probe for Diesel, min./max. length 42.68 – 45.93 feet
(in green), order P/N 889561-212.

Mag-FLEX Probe Overview Mag-FLEX Probes Part Number Specification
9
Table 4. ATEX Version - For TLS4 & 4B from Version 6A or TLS-450 from Version 4M
Part Numbers – ATEX Version English - Feet Metric - mm
88956Y-4XX (Petroleum up to E10)
88956Y-5XX (Diesel)
88956Y-6XX (No Water Detect)
(Where Y = 0 or 1 depending on factory
build date; and XX = numbers selected
in the column below) Min. length Max. Length Min. length Max. Length
00 6.56 2000
01 6.59 9.84 2010 3000
02 9.88 13.12 3010 4000
03 13.16 16.40 4010 5000
04 16.44 19.69 5010 6000
05 19.72 22.97 6010 7000
06 23.00 26.25 7010 8000
07 26.28 29.53 8010 9000
08 29.56 32.81 9010 10000
09 32.84 36.09 10010 11000
10 36.12 39.37 11010 12000
11 39.40 42.65 12010 13000
12 42.68 45.93 13010 14000
13 45.96 49.21 14010 15000
14 49.25 52.50 15010 16000
15 52.52 55.77 16010 17000
16 55.81 59.06 17010 18000
17 59.08 62.33 18010 19000
18 62.36 65.61 19010 20000
19 65.64 68.89 20010 21000
20 68.93 72.18 21010 22000
*For example, to order a Mag-FLEX Probe with No Water Detect, min./max. length 49.25 –
52.50 feet (in orange), order P/N 889561-614.

Mag-FLEX Probe Overview Fafnir BA-350 Protection Device (Surge Protector)
10
MAG-FLEX SPARE PARTS AND ACCESSORIES
Item Part Number
Single-Channel Surge Protector (Wireless Install) 848100-001
Dual-Channel Surge Protector (Wired Install) 848100-002
Overvoltage Protection Device Type BA 350, 2-wire 903313
Leader Cable with M12 Connector 908704 (Spare part only, supplied with all new probes)
FAFNIR USB Adapter [Mag-Flex] 900180
Water Float for Biodiesel 908546
Connecting cable with M12 connector 908704
Fafnir BA-350 Protection Device (Surge Protector)
This section details safety information that is pertinent to the Fafnir Surge Protector only. The Veeder-Root Surge
Protector is certified by UL/DEMKO.
The overvoltage protection device is intended to protect intrinsic safety sensor apparatus from overvoltage
eventually caused by atmospheric static electricity and conveyed by the connecting cables.
INFORMATION ON SAFE USE
The equipment is for use of discharge overvoltage and is designed as a simple apparatus according to EN/IEC
60079-11, clause 5.7. Therefore, it can be used without a type examination certificate inside potentially explosive
atmospheres (zone 1 and zone 2). The overvoltage protection is for use of all gas groups (IIA, IIB, and IIC) and its
temperature class is T6.
The overvoltage protection is enclosed by a metal enclosure. The material composition of the enclosure includes
according to EN/IEC 60079-0, clause 8.1.2 for an EPL Gb less than 7,5% magnesium and titan, such as AlSi12.
This instruction manual is valid of types BA 350-X.
INFORMATION ON SAFE MOUNTING RESP. DEMOUNTING
The overvoltage protection is built-on a metal enclosure with a degree of protection IP66. For the installation the
housing cover has to be removed (four screws) and it has to be put in place and tight again by the screws after the
connection of the wirings. Cable glands have to be tight as appropriate to maintain the IP 66 grade of protection.
INFORMATION ON SAFE INSTALLATION
The wiring may only take place de-energized. Special regulations, among other things, EN/IEC 60079-14 resp.
EN/IEC 60079-25 resp. the local installation regulations should be noted. Wall mounting of the overvoltage
protection is possible.
General remark (see also EN/IEC 60079-25, clause 12 resp. EN/IEC 60079-14, clause 12.3): The overvoltage
protection device must be installed outside zone 0 but as near as technical possible to the boundary of zone 0,
preferable in a distance of maximum 1m.
Both terminal blocks can be used either as an input or output. Polarity must be observed.
For the connection to the potential equalisation (PA) a terminal on the outside of the enclosure is provided.

Mag-FLEX Probe Overview Fafnir BA-350 Protection Device (Surge Protector)
11
Figure 1. View Into Open Enclosure Of A BA-350-2
INFORMATION ON SAFE ADJUSTMENT
There are no required safety adjustments.
INFORMATION ON SAFE PUTTING INTO SERVICE
Before putting the Mag-FLEX probe into service, double check connections and mounting.
INFORMATION ON SAFE MAINTENANCE AND REPAIRING
In general, the equipment is maintenance free. Defective equipment must be returned to the manufacturer or one
it’s representatives. If a test is required, it must be conducted under well-controlled conditions (an explosive
atmosphere shall not be present). It is also necessary to disconnect the overvoltage discharge device, according
to EN/IEC 60079-25, clause 12, because of a non-conformance with EN/IEC 60079-11, clause 6.3.13.
Surge Arrestors
Outside Terminal Terminal Blocks

Mag-FLEX Probe Overview Mag-FLEX Probe Length Calculation
12
Mag-FLEX Probe Length Calculation
Before ordering the Mag-FLEX Probe, an accurate dimension for “A” must be obtained. Measure internally the
Insertion Length ‘A’ from the 1½” entry point to the bottom of the tank (see diagram below). Probe length for
ordering purposes = A + 250 mm.
Probe Handling
It is important to handle the Mag-FLEX probe with care at all times during the installation. Avoid excessive bending
of the probe especially at the points the ridged sections meet with the flexible shaft. Below you can see examples
of mishandling that would cause irreversible damage to the probe and invalidate the terms of warranty.


13
System Safety Layout
Conduit/ducting requirements are dependent on local electrical regulations.
Substitution of components may impair intrinsic safety. Probe, probe wiring and con-
sole wiring are intrinsically safe only when connected via this barrier.
Field Cable Ducting / Cable Trays
Explosion could occur if other wires share ducts with intrinsically safe cir-
cuits. Ducting from probes or sensors must not contain any other wiring.
FAILURE TO COMPLY WITH THE FOLLOWING WARNINGS AND SAFETY PRECAU-
TIONS COULD CAUSE DAMAGE TO PROPERTY, ENVIRONMENT, RESULTING IN SE-
RIOUS INJURY OR DEATH.
Minimum diameters for underground probe ducting are:
• Up to 20 cables -100 mm diameter
• Up to 50 cables -150 mm diameter
Run suitable diameter cable ducting and / or cable trays from the TLS Console to each Mag-FLEX probe location.
For underground tanks, all cable duct entry points must be sealed to prevent the escape of hydrocarbon vapour
and liquid and the ingress of water. Cable duct & cable tray plans must be designed to suit local site requirements
and must conform to local/national regulations and industry standards.
For multiple TLS installations, the Mag probe and Mag-FLEX cabling for one TLS system must be contained in
separate cable duct or tray to those cables belonging to another TLS system. Combining cables from different TLS
systems will be in violation of the intrinsically safe approval for this system and is not permitted. Combining cables
from different systems may also result in improper system operation.
Unless specified otherwise, any draw pits should be sited at 10 metre intervals or where acute cable duct angles
are unavoidable.
Ensure that all ducting is equipped with cable pull through ropes and that all visible cable ducts are properly fixed
and finished off in a neat and tidy manner.
All above ground cable runs should be properly secured and adequately protected from accidental damage.
Cable Specifications For Intrinsically Safe Apparatus Cabling
Cable must be installed to comply with local and national regulations in force at the time of installation. It is the
Installer’s responsibility to ensure that the installation complies with all relevant local and national legislation and
codes of practice.
Do not run the Mag-FLEX probe cable from the tank to the TLS Console in the same cable duct as non-intrinsically
safe wiring.
Gilbarco Veeder-Root requires the use of shielded cable for Mag-FLEX cabling. The cable must have a minimum
conductor CSA of 0.75 mm² and must meet with intrinsically safe system installation requirements. The cable
capacitance, inductance and L/R ratio must conform to the intrinsically safe output characteristics of the TLS
Console and the intrinsically safe input characteristics of the Mag-FLEX probe.
Field Cable, ATG to Probe 2 x 0.75 mm² shielded: i.e. Gilbarco Veeder-Root cable p.n. 222-001-0029.
The TLS Console to Mag-FLEX probe cable length must not exceed 300 meters.
NOTICE
WARNING
WARNING
WARNING
NOTICE

14
Mag-FLEX Installation And Handling Procedure
Probe Installation Requirements
The instructions herein are intended as reference material only, the Gilbarco Veeder-Root
training modules contain comprehensive information and must be completed before any
installation work is attempted - contact Gilbarco Veeder-Root for details.
Installation requires a minimum of two people to allow correct handling of the probe. Please note that the flexible
and therefore fragile nature of the Mag-FLEX probe makes it more prone to mechanical shock. The probe must not
be unpacked until it has been brought to its place of installation and where possible unpacked at the Tank top. The
probe corrugated shaft is supplied in a 1 meter diameter coil this coil MUST not be reduced in size. The packaged
curve is the maximum bend possible to prevent damage.
Miscellaneous Requirements
TANK ENTRY
The tank entry point provided must have an internal thread of 1½” BSP - or 4” BSP when installing a low level
water float.
PROBE ASSEMBLY
The process connection, water float, product float, weight and magnet are shipped pre-assembled on the probe.
TOOLS AND MATERIALS
Before starting the installation you should have the following tools & materials:
• Mag-FLEX probe suitable for the tank height. See Mag-FLEX Probe Length Calculation on page 12.
• 2-Core probe cable run from TLS location to tank top. See Cable Specifications For I.S. Apparatus Cabling on
page 13.
• Surge protector BA-350 Part number 903313 (wired install only), or V-R P/N 848100-002 for wired install or
V-R P/N 848100-001 for wireless install
• Non-sparking 55 mm Spanner for the process connection 55mm WAF (Width across Flat)
• Liquid sealing material for process connection, compatible with the tank material & product to be monitored
• Non-sparking Hexagon key (5mm) for the locking screw
• Non-sparking 30mm Spanner for the gland 30mm WAF (Width across Flat)
• Measuring tape to establish the correct position to lock the probe shaft into place
NOTICE

Mag-FLEX Installation And Handling Procedure Mag-FLEX Probe Installation
15
Mag-FLEX Probe Installation
1. Unpacking the probe
2. Removal of the packaging
The probe shipping box is 1.1m square
and12cm deep. The probe is coiled to a
diameter of approximately 1m. The probe
should not be unpacked until the tank is
ready to accept it. Where possible, the
probe should be transported to the top of
the tank in its packaging.
Two people are required to remove the
probe from its packaging to prevent any
kinking or distortion of the flexible probe
shaft.
Damage caused by mishan-
dling will not be covered
under warranty.
• If there is deformation at the transition
points between probe shaft and
corrugated sections extreme care must
be taken to straighten them before
installation in to the tank.
• Always keep the probe coils parallel. Do
not lift one coil separately from the
others. Never twist one coil 90º from the
others.
• Do not twist the probe during
installation. Always keep the coils of the
probe parallel. “Unroll” it progressively
into the tank.
• Do not let the coil become less than 1m
in diameter whilst uncoiling.
NOTICE
1m

Mag-FLEX Installation And Handling Procedure Mag-FLEX Probe Installation
16
3. Probe held ready for installation
4. Process Connection
5. Lowering the probe into the tank
The coil should be held as shown maintain-
ing the coiled shape to prevent kinking.
With the 5mm hex key, loosen the socket
cap screw and gland. Slide the process
connection towards the probe head and
temporarily secure.
Feed the lower end of the probe (magnetic
base) into the tank as shown.
1m
M6 x 10 socket
cap screw