Veeder-Root TLS User manual

TLS Magnetostrictive Probes
Manual No: 577014-031 ●Revision: C
International Installation Instructions

Notice
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.
Veeder-Root shall not be liable for errors contained herein or for incidental or consequential
damages in connection with the furnishing, performance, or use of this publication.
The information contained in this publication may be subject to change without notice.
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 Veeder-Root.
Full GVR EMEA contact information contact information and product documentation is available
for viewing and download by distributors from the GVR Extranet: www.mygvr.com
Distributors requiring GVR Extranet login details should contact [email protected] to
obtain an ID and password.
©Veeder-Root 2014. All rights reserved.

Table of Contents
iii
Introduction
General .............................................................................................................................1
Product Description ..........................................................................................................1
Systems....................................................................................................................1
In–Tank Probes ........................................................................................................1
Surge Protectors.......................................................................................................1
Health And Safety .............................................................................................................2
Safety Symbols.........................................................................................................2
General.....................................................................................................................2
Equipment Protection ...............................................................................................2
Equipotential Grounding ...........................................................................................3
Minimization Of Electrostatic Hazards......................................................................3
Lightning And Surge Protection................................................................................3
EC-Type Certificates for an Intrinsically Safe System ..............................................3
These are the conditions for safe use when installing a Mag probe.........................4
Before You Begin ..............................................................................................................4
Procedures for Installing Mag Probes ...............................................................................5
Mag Plus Probe Installation Kits
The Mag Plus Probe Installation kit. .................................................................................7
Cable Seal Kit ...................................................................................................................7
Surge Protector Kits ..........................................................................................................8
Process Connections ........................................................................................................9
51MM Cap and Gland ..............................................................................................9
76MM Cap and Gland ............................................................................................10
Mag Probe Process Connection (Gland)................................................................10
Probe Installation
Access Chamber Installation ..........................................................................................11
General...................................................................................................................11
Provision for Probe Risers......................................................................................12
Probe and Riser Installation Criteria ...............................................................................13
Probe Installation Using Process Connection ........................................................14
Determining the Correct Probe Length...................................................................15
Determining the Minimum Access Chamber Depth................................................16
Probe Riser Pipe Installation ..........................................................................................17
Probe Spacer Assembly .........................................................................................18
Field Wiring .....................................................................................................................20
Probe to TLS console.............................................................................................20
Maximum Cable Lengths........................................................................................20
Splicing Probe Field Wiring ....................................................................................20
Surge Protector ...............................................................................................................23
Installation (If Required) .........................................................................................23
Appendix A - Surge Protection Risk Assessment
Figures
Figure 1. Procedures For Installing Mag Probes Using Wired Connections .............5
Figure 2. Procedures For Installing Mag Probes Using Wireless Connections .........6
Figure 3. Mag Plus Probe Installation Kit 846402 .....................................................7
Figure 4. Cable Seal Kit.............................................................................................7
Figure 5. Surge Protector Kit For Wired Installations -
Dual Channel Surge Protector BA-350 Or Equivalent................................8

Table of Contents
iv
Figure 6. Surge Protector Kit For Wireless Installations -
Single Channel P/N 848100-001................................................................9
Figure 7. 51mm Threaded Riser Cap Assembly P/N 705-100-2203 .........................9
Figure 8. 76mm Riser Cap Assembly......................................................................10
Figure 9. Mag Probe Process Connection (Gland) P/N 501-000-1206 ...................10
Figure 10. Typical Tank Lid Access Chamber Installation w/o Surge Protector........11
Figure 11. Typical Tank Lid Access Chamber Installation w/Surge Protector...........11
Figure 12. Tank Lid Access Chamber — Critical Dimensions (in mm)......................12
Figure 13. Typical Probe Installations In Riser Pipe..................................................13
Figure 14. Installation Of A Mag Probe With A Process Connection (Gland)............14
Figure 15. Dimensions Needed To Calculate Custom Probes And Risers ...............15
Figure 16. Veeder-Root Riser Cap Assemblies.........................................................17
Figure 17. Example Probe Canister Sleeve/Adapter Assembly ................................18
Figure 18. Connection Diagram For A Mag Probe In A Riser Pipe
With And Without Optional Surge Protection ...........................................19
Figure 19. Splice Length Dimensions........................................................................20
Figure 20. Splice Connections...................................................................................21
Figure 21. Removing Sealing Compound Clip ..........................................................22
Figure 22. Pouring Sealing Compound Into Sleeve ..................................................22
Figure 23. Securing Splice Enclosure With Cable Tie...............................................23
Figure 24. Example Wireless Installation With Process Connection
And Single Channel Surge Protector .......................................................24
Figure 25. Example Wireless Installation With Riser Pipe
And Single Channel Surge Protector .......................................................24
Tables
Table 1. Calculation sheet for determining the correct probe length .....................16
Table 2. Dimensions for Steel Riser Pipes and Mag Probe Floats .......................17

1
Introduction
General
This document describes the procedures necessary to prepare a site for the installation of the Veeder-Root TLS
Series Underground Storage Tank Monitoring Systems in locations governed by the ATEX Directive 94/9/EC or
locations that recognize the IECEx scheme.
For installing UL/cUL approved Mag Probes use Manual No. 577013-744.
Veeder–Root maintains a continuous process of product development and therefore product specifications may
not be as described in this manual. Please contact the Veeder-Root office nearest you, or visit our website at
www.veeder.com for information on new or updated products. Changes affecting products or procedures
described in this manual will be reported in subsequent revisions. Veeder–Root has taken every care in the
compilation of this manual; however it is the installers' responsibility to take every precaution to safeguard
themselves and others.
Every person working with Veeder–Root equipment is expected to take every safety precaution possible and to
have read this manual, particularly the sections referring to health and safety.
Deviation from the specifications contained in this manual can result in rework, delays in system installation and
additional installation charges.
Contractors are advised to contact their nearest Veeder–Root office where local conditions may preclude using
the specifications contained in this manual.
Product Description
SYSTEMS
All Veeder–Root systems have been designed for ease of operation. System consoles have liquid crystal display
screens and one-touch function keys to guide the user through all operating functions. The status of all in-tank
probes and leak detection sensors is available immediately on the LCD screen, on the system's printer or, through
the system's communication facilities, on the point-of-sale terminal or back office computer.
IN–TANK PROBES
Magnetostrictive probes are ATEX certified as: eII 1/2 G Ex ia IIA T4, II 1 G Ex ia IIA T4, per CERTIFICATE
NO. 06 ATEX 0508841X
And, IECEx certified as: Ex ia IIA T4 Ga/Gb, Ex ia IIA T4 Ga, per Certificate No. IECEx
UL 06.0001X
Mag Probe ingress protection rating is IP 68 at a depth of 3 meters with a duration of 30 days as tested by the
notified body (ExNB) UL LLC.
Depending on probe type, canister material may be aluminum or black conductive polymer.
For further information on the performance and specification of in-tank probes, please contact your local Veeder-
Root representative.
SURGE PROTECTORS
In a Veeder-Root system, each Intrinsically Safe Device may use an optional surge protector in place of the
weatherproof junction box located in Zone 1. Surge protectors consist of a certified in-line device or a simple
apparatus conforming to the requirements of Standard No. IEC/EN 60079-14, Electrical installations design,
selections and erection.
Surge Protectors are either an ATEX Certified Device as eII 2 G Ex ia IIA Gb T4 per Certificate No. DEMKO
13 ATEX 13060507X or are Simple Apparatus. Surge Protectors can also be an IECEx certified device per
Certificate No. IECEx UL 13.0074X.

TLS Magnetostrictive Probes International Installation Guide Health And Safety
2
Health And Safety
SAFETY SYMBOLS
The following safety symbols are used throughout this manual to alert you to important safety hazards and
precautions.
GENERAL
Ensure that all local council, E.C. laws and regulations are complied with. Also ensure that all recognised safety
codes are followed.
Every person working with Veeder–Root equipment is expected to take every safety precaution possible in the
installation of TLS Systems.
Contractors must ensure that supervisory personnel on the installation site are aware of their presence and
requirements, especially the provision of safe working areas and isolation from AC electrical power.
Leaking underground tanks can create serious environmental and health hazards. It is the contractor's
responsibility to comply with the instructions and warnings found in this manual.
Substitution of specified components may impair intrinsic safety.
EQUIPMENT PROTECTION
TLS monitoring equipment, including the Magnetostrictive 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.
Explosive
Fuels and their vapors are extremely
explosive if ignited.
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
WARNING
Heed the adjacent instructions to avoid
equipment damage or personal injury.
INJURY
Careless or improper handling of epoxy sealant
materials can result in bodily injury.
GLOVES
Wear gloves to protect hands from irrita-
tion or injury.
WEAR EYE PROTECTION
Epoxy sealant in contact with eyes can cause
serious injury. Always wear eye protection when
sealing wire splices.
WARNING
Explosion could occur if other wires share ducts with intrinsically safe probe or
sensor wiring. Ducting for probes and sensors must not contain any other wiring
circuits except where permitted by local wiring codes and regulations.
FAILURE TO COMPLY WITH THE FOLLOWING WARNINGS AND SAFETY
PRECAUTIONS COULD CAUSE DAMAGE TO PROPERTY, ENVIRONMENT,
RESULTING IN SERIOUS INJURY OR DEATH.

TLS Magnetostrictive Probes International Installation Guide Health And Safety
3
The Magnetostrictive Probe that is part of the TLS Monitoring System is equipment Category 1 intended to be
installed 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. Procedures for installing either in a process
connection or riser pipe are detailed beginning on page 13. At least the following items must be considered and will
aid in the determination if a probe is to be installed in a process connection or riser pipe:
1. Equipotential grounding 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 GROUNDING
Consult any local regulations prior to installing a Magnetostrictive 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 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.
MINIMIZATION OF ELECTROSTATIC HAZARDS
Consult any local regulations prior to installing a Magnetostrictive 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 magnetostrictive probe housing complies with the 500 volt electrical strength requirements in IEC/EN 60079-
11. In addition, the probe housing provides an electrostatic dissipative path to the zener diode barrier earth ground
that must be referenced to the common grounding system. The electrostatic resistive path is less than 1 megohm.
All TLS Consoles provide an alarm if either of the two wires to the magnetostrictive 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 14 and Figure 15 for mounting
locations for a surge protector.
When they are deemed necessary, Veeder-Root requires the installation of external surge protection devices that are
classified as simple apparatus only. 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.
The Surge Risk Protection Assessment checklist (SRPA) is available on the Veeder-Root Tech Docs CD and on our
website at http://www.veeder.com/page/Probe_Manuals.An example of the SRPA appears in Appendix A of this
manual.
EC-TYPE CERTIFICATES FOR AN INTRINSICALLY SAFE SYSTEM
TLS Monitoring Systems are installed according to the conditions specified in the applicable Certificates. ATEX
Certificate Number DEMKO 06 ATEX 137480X and IECEx ULD 08.0002X are referred to as the system certificate
or parent certificate for all of the equipment in a TLS Monitoring System.

TLS Magnetostrictive Probes International Installation Guide Before You Begin
4
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 (Ex ia) required to install a TLS
Monitoring System. Cables used to connect intrinsically safe apparatus must be considered in determining
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.
For European Community (EC) installations, additional equipment compliance information is available on the EC
Declaration of Conformity including reference to the technical standards applied by the Notified Body in creating
the respective ATEX Certificates.
THESE ARE THE CONDITIONS FOR SAFE USE WHEN INSTALLING A MAG PROBE
1. The devices have been evaluated in conjunction with the intrinsic safety system defined in DEMKO 06 ATEX
137480X. The descriptive system documents and manuals included with the aforementioned certificate must
be followed during installation and the appropriate Veeder Root accessories must be used. Manual 577014-
031 details applicable process connections in accordance with EN 60079-26.
2. The following condition of safe use applies to the Mag Sump Sensor: Before installing or taking into a
hazardous area, earth the unit in a Safe Area to remove any static charge. Then immediately transport the unit
to the installation site; do not rub or clean the unit prior to installation. Cleaning is not required under normal
service conditions; do not rub or clean the device after installation. If the unit is not fixed to a known earth
point when installed, ensure that a separate earth connection is made to prevent the potential of static
discharge. When fitting or removing the unit, use of anti-static footwear & clothing is required.
3. The enclosure contains aluminum. Care must be taken to avoid ignition hazards due to impact of friction.
ATTENTION!
Important Considerations - Read Prior to Installation - Metallic/Steel Tanks
Process Connection (gland): Must be used in locations where it is mandatory that the Mag Probe be
equipotentially bonded to the tank structure.
Riser Pipe: May be used in locations that do not require bonding between the Mag Probe and the tank structure.
Reference European Norm IEC/EN 60079-14: Explosive atmospheres - Part 14: Electrical installations design,
selection and erection.
Cathodically Protected Tanks: Installation selection is dependent on the considerations listed above for the
Process Connection and the Riser Pipe.
Only install TLS Magnetostrictive Probes according to one of the four procedures listed below:
Wired Connections – Mag Probe to ATG Console wiring - see Figures 1 and 18.
1. Process Connection (gland) – Zone 1 installation, Surge Protector not required
2. Riser Pipe – Zone 0 installation, Surge Risk Protection Assessment (SRPA) required
Wireless Communication – Mag Probe with RF hardware - see Figures 2, 24 and 25
3. Process Connection (gland) – Zone 1 installation, surge protector not required
4. Riser Pipe – Zone 0 installation, Surge Protector required
Before You Begin
1. Consult any local regulations prior to proceeding to determine the best installation method. The instructions
below detail how to safely install probes with process connections or in a riser pipe and will also help in
determining when surge protection is required or may be necessary.
2. Depending on the considerations above, perform a Surge Risk Protection Assessment (SRPA) of equipment
in the site. A (SRPA) checklist is available on our website at http://www.veeder.com/page/Probe_Manuals.
3. Verify the equipment needed to complete the installation as described in this manual, and, if necessary, any
equipment required following completion of the site Surge Risk Protection Assessment (SRPA).

TLS Magnetostrictive Probes International Installation Guide Procedures for Installing Mag Probes
5
Procedures for Installing Mag Probes
Figure 1. Procedures For Installing Mag Probes Using Wired Connections
Mag Probe
Installation Complete
Perform a surge risk protection
assessment (SRPA), located on
appendix page A-1 of this manual
to determine the possible use of a
dual channel surge protector for
the Mag Probe.
Install a dual channel surge
protector, part number BA-350 or
848100-002, according to Figure
11 of this manual.
Procedure for installing Mag
Probes into storage tanks
using a tube gland.
NOTE: Use a tube gland in
locations where it is
mandatory that the Mag Probe
be equipotentially bonded to
the tank structure.
Install the Mag Probe with a
process connection according to
the instructions on Figure 14 of
this manual.
Riser PipeProcess Connection
Mag Probe
Installation Complete
Is a
surge protector
required ?
No
Yes
Install either a sleeve or an
adapter as shown on Figure 17,
then install the Mag Probe in a
riser pipe according to the
instructions on Figure 13 of this
manual.
Procedure for installing Mag
Probes into storage tanks
using a riser pipe.
NOTE: Use a riser pipe in
locations that do not require
bonding between the Mag
Probe and the tank structure.

TLS Magnetostrictive Probes International Installation Guide Procedures for Installing Mag Probes
6
Figure 2. Procedures For Installing Mag Probes Using Wireless Connections
Mag Probe
Installation Complete
Install either a sleeve or an
adapter as shown on Figure 17,
then install the Mag Probe in a
riser pipe according to the
instructions on Figure 13 of this
manual.
Install a single channel surge
protector, part number 848100-
001, according to Figure 25 of
this manual.
Install the Mag Probe with a
process connection according to
the instructions on Figures 14 and
24 of this manual.
Riser PipeProcess Connection
Mag Probe
Installation Complete
Procedure for installing Mag
Probes into storage tanks
using a riser pipe.
NOTE: Use a riser pipe in
locations that do not require
bonding between the Mag
Probe and the tank structure.
Procedure for installing Mag
Probes into storage tanks
using a tube gland.
NOTE: Use a tube gland in
locations where it is
mandatory that the Mag Probe
be equipotentially bonded to
the tank structure.

7
Mag Plus Probe Installation Kits
The Mag Plus Probe Installation kit.
Figure 3. Mag Plus Probe Installation Kit 846402
Cable Seal Kit
Figure 4. Cable Seal Kit
031-11
Cable
Probe cable connector
(attachesto threaded connector
on the top of probe canister)
These two wiresconnect in the J-box or splice kit
to the two field wiresfrom the console.
Product float
Product float
Water float (optional)
Sleeves
2-Inch Floats
Water float (optional)
1-Inch Floats
Adapters
Water float (optional)
Product float
3- or 4-Inch Floats
Note: your Mag Probe installation kit will contain
1-inch, 2-inch, 3-inch or 4-inch floatsand either
adaptersor sleevesas per your order.
Boot
Cable tie
Encapsulant pack
Wire Nuts
Barrel, sleeve & end caps
031-15

TLS Magnetostrictive Probes International Installation Guide Surge Protector Kits
8
Surge Protector Kits
When required, a surge arrestor must conform to Clause 12 of IEC/EN 60079-25 and must be installed in
accordance with the requirements for surge protection devices defined in Clause 12.3 of standard IEC/EN
60079-14 as follows:
1. Surge protection is required between each conductor of the cable including the screen and the structure
where the conductor is not already bonded to the structure.
2. The surge protection device shall be capable of diverting a minimum peak discharge current of 10 kA (8/20 us
impulse according to IEC 60060-1 for 10 operations).
3. The connection between the protection device and the local structure shall have a minimum cross-sectional
area equivalent to 4mm2copper.
4. The cable between the intrinsically safe apparatus in Zone 0 and the surge protection device shall be installed
in such a way that it is protected from lightning.
5. Any surge protection device introduced into an intrinsically safe circuit shall be suitably explosion protected for
its intended location.
6. The use of surge protection devices which interconnect the circuit and the structure via nonlinear devices
such as gas discharge tubes and semiconductors is not considered to adversely affect the intrinsic safety of a
circuit, provided that in normal operation the current through the device is less than 10 uA.
For example, the two surge arrestors below, supplied by Gilbarco/Veeder-Root, are examples that comply with the
above requirements per the manufacturers declaration of conformity.
Figure 5. Surge Protector Kit For Wired Installations - Dual Channel Surge Protector BA-350 Or Equivalent
Overvoltage arrestor
Terminal blocks
External connection (PA)
Ground wire
connection clamp
031-12

TLS Magnetostrictive Probes International Installation Guide Process Connections
9
Figure 6. Surge Protector Kit For Wireless Installations - Single Channel P/N 848100-001
Process Connections
A suitable process connection, IP67 minimum, is required for sealing a tank riser pipe or for forming an appropriate
boundary wall. The two riser caps/glands and process connection gland detailed below can be supplied by
Gilbarco Veeder-Root and are included on the manufactures type approval certificates DEMKO 06 ATEX
0508841X and IECEx UL 06.0001X and provide IP67 zone isolation and have been additionally subjected to a
10 bar pressure test.
51MM CAP AND GLAND
Figure 7. 51mm Threaded Riser Cap Assembly P/N 705-100-2203
Cable tie
Encapsulant pack
Wire Nuts
Surge Protector
031-26
Probe leader cable gland*
50.8mm (2”)
galvanised steel
riser cap
031-13
*Hummel probe leader cable gland
P/N: HSK-M-Ex, Size: M16X1,5 (IP68)
Ratings: II 2 G Ex e II
II 1 D Ex tD A20 IP6X
Cert No. KEMA 99ATEX6971X

TLS Magnetostrictive Probes International Installation Guide Process Connections
10
76MM CAP AND GLAND
Figure 8. 76mm Riser Cap Assembly
MAG PROBE PROCESS CONNECTION (GLAND)
Figure 9. Mag Probe Process Connection (Gland) P/N 501-000-1206
Shield (if required)
Use fitting tool 705-100-3033
to install or remove the cap
3-inch (76mm) BSP riser cap
Probe leader cable gland*
Label
*Hummel probe leader cable gland
P/N: HSK-M-Ex, Size: M16X1,5 (IP68)
Ratings: II 2 G Ex e II
II 1 D Ex tD A20 IP6X
Cert No. KEMA 99ATEX6971X
1-inch BSP - 3/4” Coupling
Olive
Locknut
031--23

11
Probe Installation
Access Chamber Installation
GENERAL
The installation of the tank access chamber is the responsibility of the customer or their local site contractor and
not that of Gilbarco S.r.l. / Gilbarco UK. However, there are certain requirements which need to be met to allow
the correct installation of Veeder-Root in–tank monitoring probes. Typical installations are shown in Figure 10 and
Figure 11.
Figure 10. Typical Tank Lid Access Chamber Installation w/o Surge Protector
Figure 11. Typical Tank Lid Access Chamber Installation w/Surge Protector
To allow adequate space for probe installation and servicing, it is recommended that the access chamber is a
minimum 750mm deep and 600mm wide at the base. See Figure 12.
031-1
Riser Assembly
Magnetostrictive
Probe Field Cables
to Console
031-22a
Riser Assembly
Magnetostrictive
Probe
Dual Channel
Surge Protector
Field Cables
to Console
Tie Surge Protector (PA)
wire to the tank structure;
e.g., using a customer
supplied terminal lug.
Depending
on probe type,
canister material
may be aluminum
or black conductive
polymer.
Depending
on probe type,
canister material
may be aluminum
or black conductive
polymer.

TLS Magnetostrictive Probes International Installation Guide Access Chamber Installation
12
PROVISION FOR PROBE RISERS
A dedicated probe tapping of either 2-inch BSP (preferred), 3-inch BSP, or 4-inch BSP must be provided.
For maximum height–to–volume accuracy, the probe socket must be as close as possible to the longitudinal axis of
the tank.
The probe entry must not be obstructed by other pipe work. A free area above the probe socket of at least
100mm radius from its center must be provided. See Figure 12.
WARNING! The probe riser probe riser shall comply with IEC/EN 60079-26 and form a suitable process
connection across the boundary between zone 0 and zone 1 subject to the approval of the local authority.
Figure 12. Tank Lid Access Chamber — Critical Dimensions (in mm)
Where mechanical overfill prevention devices are installed, contractors must ensure that no part of these devices
will be obstructed when the probe and riser assembly are installed.
Failure to comply with this warning may result in the overfill prevention device not operating correctly.
031-5a
1
1
1
Dual Channel
Surge
Protector

TLS Magnetostrictive Probes International Installation Guide Probe and Riser Installation Criteria
13
Probe and Riser Installation Criteria
Mag probe installations require a 2-inch or 3-inch (51 or 76mm) riser, regardless of tank entry size. Entry sizes of 1
inch, or entries larger than 3 inches must be with the suitable fittings.
The canister of the probe must be completely contained within the riser. In all cases, the probe must rest on the
bottom of the tank (see Figure 13). Risers, when fitted, should be a minimum of 100mm above the probe canister.
Figure 13. Typical Probe Installations In Riser Pipe
51mm Riser
Riser must be
51mm ID and free
of burrs.
76mm Riser
76mm Entry51mm Entry
Boot
031-10
View 1 View 2
Installing with a
76mm or102mm RiserPipe
Installing with a
51mm RiserPipe
Note: The riserpipe cap forms a suitable
process connectionat the boundary wall.

TLS Magnetostrictive Probes International Installation Guide Probe and Riser Installation Criteria
14
PROBE INSTALLATION USING PROCESS CONNECTION
Certain installations may require a modified probe mounting arrangement consisting of a process connection
(gland) mounted directly to the tank lid as shown in Figure 14. Either a dedicated tapping or a suitable flange,
tapped G2 inch 11 tpi to DIN 2999 (BS2779) must be provided.
1. Prior to installing or servicing the Magnetostrictive Probe, remove the AC input power going to the TLS
Console and verify that the console power is off. During servicing, disconnect the probe cable and remove the
probe from the tank.
2. Reference Figure 14 to identify the hardware required to complete this installation.
3. Install the flange onto the tank lid then install the gland adapter. For 3-inch and 4-inch float sizes, install the
tube gland and the associated reducer onto the gland adapter prior to performing Step 4.
4. Prior to inserting the Mag Probe, install the tube gland on the probe shaft near the probe canister. Care must
be taken to ensure that the probe shaft is not harmed in any way.
5. Add the fuel float and the water float then install the plastic boot on the very bottom of the probe.
6. Insert the probe assembly into the tank and tighten the tube gland to the gland adapter.
7. Slide the Mag probe downward until the boot makes contact with the tank bottom. Lift the probe at least 10
mm (0.4 inch) from the bottom of the tank to account for thermal expansion of the probe. Tighten the tube
gland once the probe is at the appropriate height.
8. Connect the probe leader cable to the field wiring using the encapsulated splice kit shown in Figure 4.
9. Restore power to the TLS Console and verify that the system is operating properly.
Figure 14. Installation Of A Mag Probe With A Process Connection (Gland)
Probe leader cable
Probe canister
Encapsulated connection
Field cables to console
Flange Tank lid
10mm (0.4”)
Minimum gap
1-inch BSPto 2-inch BSP reducer
included with 501-000-1207 kit
031-8
Boot
Zone 1 Installation
with Process Connection (Gland)
Process Connection (gland)
adapter P/N 501-000-1206
inlcluded with 501-000-1207 kit

TLS Magnetostrictive Probes International Installation Guide Probe and Riser Installation Criteria
15
DETERMINING THE CORRECT PROBE LENGTH
Refer to Figure 15 and carry out the following procedure.
1. Enter dimensions A, B, C, and E in Table 1.
2. Add dimensions B + C and enter this in column “F”.
3. Select a standard probe length that is equal to or greater than the dimension in column “F”.
Enter the standard probe Length in column “G”.
Figure 15. Dimensions Needed To Calculate Custom Probes And Risers
"B"
"E"
"A"
"D"
"C"
A - Tank diameter (internal)
B - Tank bottom to top of tank lid
C - Height of probe entry
D - Probe entry size
E - Vertical clearance for riser assy, above tank lid at probe entry
Dimensions
031-6

TLS Magnetostrictive Probes International Installation Guide Probe and Riser Installation Criteria
16
DETERMINING THE MINIMUM ACCESS CHAMBER DEPTH
The minimum access chamber depth, is calculated as follows:
1. To the chosen standard probe Length (“G”), add 290mm, this is the overall probe length; enter this in column
“H”.
2. From the overall probe Length subtract dimension “B + C” (bottom of tank to top of probe flange); the result is
the minimum access chamber depth. Enter in column “I”.
3. Calculate the actual access chamber depth, dimension “E” minus dimension “C” and enter in column “J”
4. Calculate the probe clearance (“J” – “I”) and enter in column “K”.
Column “K” must be zero or a positive number. If the result is a negative number there is insufficient clearance
for the probe and riser assembly. In this case please contact Veeder-Root Technical Support or your local
Representative for details on custom length Mag Probes and special skirted risers, having available the
dimensions A - E shown in Figure 15.
Table 1. Calculation sheet for determining the correct probe length
TANK
No.
A B C E
F
Bottom of
Tank to Top
of Probe
Entry
“B”+“C”
G
Standard
Probe
Length
H
Overall
Probe
Length
“G”+290mm
I
Minimum
Access
Chamber
Depth
“H”-”F”
J
Actual
Access
Chamber
Depth
“E”-”C”
K
Probe
Clearance
“J”-”I”
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16