LPI ® Direct Strike Products
GuardianTM System 5
22
LPI® Guardian System 5
Key Benefits
•
•
•
•
Blunt finial tip which minimizes corona effect.
4 electrically isolated panels.
High Voltage connection at the base.
Triggering procedure allows the initiation of an intercepting streamer.
Product Description
LPI® offers a family of air terminals and accessories. Our product design is based on the most recent
advances in lightning research whilst maintaining proven principles associated with the successes of the
past. LPI® Guardian System 5 provides a purpose-designed package for direct lightning protection. The
Guardian System 5 has been tested in compliance to IEC Test Standard: IEC 60-1:1989.
1.
2.
3.
4.
5.
A Family of LPI® CAT (Controlled Advanced Triggering) series air terminals.
A Fibreglass Reinforced Plastic (FRP) mast.
A purpose-designed High Voltage Shielded Cable (HVSC).
A lightning strike recorder (LSR).
An earthing system which consists of Earth rods, Clamps, Copper tapes and Ground resistance
improvement powder (GRIP).
CAT Principles
1.
A Guardian CAT terminal consists of a grounded blunt lightning rod surrounded by an electrically
floating medium. Rounded or blunt tips have proven to be more efficient than sharp points by
producing minimal corona effect. This has been clearly proven in tests conducted at South Baldy Peak
in the Magdalena Mountains of central New Mexico, USA. (Source: “The Measurement of Lightning
Rod Responses to Nearby Strikes” by C.B. Moore, G.D. Aulich, and W. Rison/ May 2001)
2.
During the static thunderstorm phase when the electric fields are steady at around 5-15 kV/m and
even in the very early stages of leader approach, the medium presents as a relatively low field
intensification surface due to the blunt configuration of the finial tip. This restricts the production of
“corona” or “point discharge” ions and is critical because excessive production of ions (corona) results
in a “space charge cloud” above the air terminal which masks the electric field at the tip of the terminal
when the leader eventually approaches within range.
3.
The Guardian CAT terminal is comprised of four separate electrically isolated panels arranged to allow
the section facing the step leader to rise in voltage due to a capacitive coupling effect. Because the
CAT terminal is essentially isolated from the ground potential, the electric field increases as the
discharge approaches closer to the panel facing the step leader. It then experiences repeated pulsing
until this section (panel) rises in voltage to the point when a triggering arc is generated at precisely the
right time, which in turn initiates the streamer, which connects with the approaching down leader.
4.
This triggering arc creates two key effects. First it produces a large number of ions which are needed
to initiate an upward leader. Secondly it causes a large snap change in the electric field immediately
above the air terminal which provides the necessary “kick” for the inception of an early, stable,
propagating upward leader. The initiation of such advanced triggering results in the approaching
leader being intercepted earlier, which ensures a larger protective area around the Guardian CAT
terminal.
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
2
3
CATCALC Software Design
LPI® uses a CAD based software design program “CATCALC” to customize a cost effective and safe
lightning protection solution for any structure.
The “CATCALC” program considers factors such as thunder days per year, height above sea level, level of
protection desired/recommended (Standard - High - Very High), Physical dimensions of the structure and
building materials used. Competing features (which have the ability to create streamer development) are
taken into consideration during the design process.
A customized “CATCALC” design will provide to the end customer a design report encompassing elevation,
plan and side views of the proposed lightning protection installation along with a detailed bill of materials for
all required accessories.
Risk Assessment
In accordance with Australian Standard (AS1768) all “CATCALC” designs are subjected to a site risk
assessment to determine the perceived risk from a lightning strike. The risk assessment considers the
following.
Usage and contents of the structure(s)
Construction materials of the structure(s)
Height of the structure(s)
Situation at site - Flat ground or elevated above sea level
Average thunder days per annum
•
•
•
•
•
LPI® Product Range
SECTION
PAGE
A
9, 10
B
11
LPI® UPPER TERMINATION KIT
C
11
LPI® FRP SUPPORT MAST
D
12
LPI® INLINE COUPLING
E
12
LPI® GUY KIT
F
13
LPI® GUY RING
G
13
LPI® LOWER MAST ASSEMBLY
H
13
LPI® SADDLES FOR CANTILEVERING MAST
I
14
LPI® U-BOLT
J
14
LPI® HIGH VOLTAGE SHIELDED CABLE
K
14
LPI® CABLE TIES
L
15
LPI® SADDLES AND FIXINGS
M
15
LPI® BEAM CLAMP AND CABLE SUPPORT
N
15
LPI® LIGHTNING STRIKE RECORDER
O
16
LPI® LOWER TERMINATION KIT
P
16, 17
Q
17
LPI® INSPECTION PIT
R
18
LPI® GROUND RESISTANCE IMPROVEMENT POWDER
Commercial in Confidence
LPI PRODUCTS
LPI® GUARDIANTM TERMINAL
LPI® EARTHING SYSTEM
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
3
4
Installation Type 1
Installation type 1 illustrates a Guardian System 5 installed on a building roof top (flat roof).
Please refer to page 19 for recommended earthing installation
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
4
5
Installation Type 2
Installation type 2 illustrates a Guardian system 5 cantilevered to the side wall of a building.
Please refer to page 19 for recommended earthing installation
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
5
6
Installation Type 3
Installation type 3 illustrates a Guardian system 5 cantilevered to the top section of a tower.
Please refer to page 19 for recommended earthing installation
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
6
7
Installation Type 4
Installation type 4 illustrates a Guardian system 5 installed on a building roof top (flat roof) or at ground level.
Note: Multiple guying kits are utilized due to increased mast height.
Please refer to page 19 for recommended earthing installation
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
7
8
Installation Type 5
Installation type 5 illustrates typical mounting arrangement for cantilevered GI style CAT Terminal.
Please refer to page 19 for recommended earthing installation
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
8
9
Section A
LPI® Guardian CAT Terminals (Gold)
LPI®’s range of Guardian CAT Terminals are Controlled Advanced Triggering devices which intercept lightning
discharges and attaches them to a preferred point. The CAT Terminal has been designed to emit a “streamer”
of energy at precisely the right time so that an approaching “leader” is intercepted and brought under control.
All Guardian CAT Terminals have been tested in compliance to IEC test standard: IEC 60-1:1989.
Ordering Code
Description:
Sphere Dimensions:
Panel Material:
CAT I - G
CAT IGI - G
Guardian CAT Terminal, Gold, Model I
106mm (Diameter), 140mm (Height)
Anodised Aluminium
Terminal Colour:
Gold
Weight:
1.65kg
Operation:
Insulation Material:
Down Conductor Connection:
Spark Gap
UV Rated Evoprene
Lug connection
GI connector
Recommended for low risk structures which do not exceed 30 metres in height.
Ordering Code
Description:
Sphere Dimensions:
Panel Material:
CAT II - G
Guardian CAT Terminal, Gold, Model II
160mm (Diameter), 210mm (Height)
Anodised Aluminium
Terminal Colour:
Gold
Weight:
2.35kg
Operation:
Insulation Material:
Down Conductor Connection:
CAT IIGI - G
Spark Gap
UV Rated Evoprene
Lug connection
GI connector
Recommended for low to medium risk structures which do not exceed 100 metres in height.
Ordering Code
Description:
Sphere Dimensions:
Panel Material:
CAT III - G
CAT IIIGI - G
Guardian CAT Terminal, Gold, Model III
210mm (Diameter), 280mm (Height)
Anodised Aluminium
Terminal Colour:
Gold
Weight:
3.5kg
Operation:
Insulation Material:
Down Conductor Connection:
Spark Gap
UV Rated Evoprene
Lug connection
GI connector
Recommended for all high risk environments including structures exceeding 100 metres in height.
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
9
10
®
LPI Guardian CAT Terminals (Stainless Steel)
LPI®’s range of Guardian CAT Terminals are Controlled Advanced Triggering devices which intercept
lightning discharges and attaches them to a preferred point. The CAT Terminal has been designed to emit a
“streamer” of energy at precisely the right time so that an approaching “leader” is intercepted and brought
under control. All Guardian CAT Terminals have been tested in compliance to IEC test standard: IEC 601:1989.
Ordering Code
Description:
Sphere Dimensions:
CAT I - SS
CAT I - SS - GI
Guardian CAT Terminal, Stainless Steel, Model I
106mm (Diameter), 140mm (Height)
Panel Material:
Stainless Steel
Terminal Colour:
Silver
Weight:
1.78kg
Operation:
Insulation Material:
Down Conductor Connection:
Spark Gap
UV Rated Evoprene
Lug connection
GI connector
Recommended for low risk structures which do not exceed 30 metres in height.
Ordering Code
Description:
Sphere Dimensions:
Panel Material:
CAT II - SS
CAT II - SS - GI
Guardian CAT Terminal, Stainless Steel, Model II
160mm (Diameter), 210mm (Height)
Stainless Steel
Terminal Colour:
Silver
Weight:
2.5kg
Operation:
Insulation Material:
Down Conductor Connection:
Spark Gap
UV Rated Evoprene
Lug connection
GI connector
Recommended for low to medium risk structures which do not exceed 100 metres in height.
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
10
11
Section B
®
LPI Upper Termination Kit
LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High Voltage
Shielded Cable is an insulated downconductor used to safely convey lightning currents from an air terminal
to a dedicated lightning earth termination, while avoiding galvanic conduction to the structure being
protected. The Upper Termination Kit provides all accessories for the High Voltage termination of the HVSC
downconductor to the Guardian CAT Terminal. The LPI® UTERMKIT-MK2 has been tested in compliance
with IEC 600601, 2nd Edition, 1989-11.
Ordering Code
Description:
Maximum Voltage:
Operating Temperatures:
Pack Dimensions:
UTERMKIT-MK2
Upper Termination Kit Mark 2
280kV 1.2/50µs impulse
- 20°C to + 85°C
70mm x 70mm x 1250mm
Weight:
0.75kg
Contents:
Instruction, Semi-conducting tape, Crimp Lug,
Heat Shrink Tube, Insulated Friction Cutting
Tool, Insulation Tape
Section C
LPI® FRP Support Mast
LPI®‘s Fibreglass reinforced pole (FRP) mast is an insulated and water resistant mounting pole which is
designed to provide the necessary electrical isolation and mounting strength at the position where the high
voltage upper termination between the High Voltage Shielded Cable (HVSC) downconductor and LPI CAT
terminal is completed.
Description
Fibreglass Reinforced Pole (FRP)
Colour:
Black
Material :
Fibreglass
Construction Type:
Pre-Impregnated Reinforced Epoxy Resin
Laminate (Flame Retardant)
Resin Tensile Strength:
70 MPa
Resin Tensile Modulus:
2.9 GPa
Resin Tensile Strain:
2.7%
Resin Poisson Ratio:
0.35
Ordering Code
Weight
Dimensions
FRP-2M
2.7kg
Length 2000mm, Outer diameter 68mm, Inner diameter 60mm
FRP-3M
4.0kg
Length 3000mm, Outer diameter 68mm, Inner diameter 60mm
FRP-4M
5.3kg
Length 4000mm, Outer diameter 68mm, Inner diameter 60mm
FRP-4.6M
6.2kg
Length 4600mm, Outer diameter 68mm, Inner diameter 60mm
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
11
12
Section D
LPI® Inline Coupling
LPI®’s Inline Coupling is a purpose designed coupling which allows for the clamping of the FRP mast to the
Aluminium lower mast. The inline coupling provides 3 Guy anchoring points and provides an exit point for the
HVSC.
Ordering code
ILCOUPLING
Description:
Inline Coupling
Material:
Cast Aluminium
Dimension:
550mm x 150mm x 120 mm
Weight:
2.5 kg
Anchoring Points:
3
Max. Clamping Torque:
55kg/cm
Section E
LPI® Guy Kit
LPI®‘s non conductive guy kits are provided in variable lengths to suit specific mast and terminal heights. The
purpose designed guying kits are designed for anchoring from a guy ring or an inline coupling.
Ordering Code
GUYKIT-4M
Description:
Stainless Steel fittings and non conductive synthetic guy
wire kits
Material:
PVC coated, fibre glass core, non conductive, UV
stabilised, stretch proof, corrosion and ice proof synthetic
Application:
Designed to provide additional stabilizing/securing of
mast arrangement where deemed necessary
Diameter:
4mm
Tensile yield strength:
560kg
Weight:
Ordering Code
0.5kg
0.8kg
GUYKIT-4M-SS
GUYKIT-7M-SS
Description:
Stainless Steel guy wire kits
Material:
Stainless Steel, Grade 316
Application:
Designed to provide additional stabilizing/securing of
mast arrangement from the inline coupling only
Diameter:
3.2mm
Tensile yield strength:
450kg
Weight:
Commercial in Confidence
GUYKIT-7M
Document: 36 TD Guardian.pub
0.75kg
Version: 2.07 19/12/2008
1.2kg
Copyright 2008 LPI
12
13
Section F
Guy Ring
LPI®‘s Guy Ring provides 3 guy points for mounting between the top section of the FRP mast and the
Guardian CAT Terminal.
Ordering Code
Guy Ring
Ordering Code:
Guy Ring
Material:
Cast Aluminium
Dimension:
110mm x 110mm x 10 mm
Weight:
0.12kg
Guy Hole Diameter:
10mm
Section G
LPI® Lower Mast Assembly
LPI®’s uses Aluminium Mast as the lower mast assembly due to it’s high strength and light weight
characteristics.
Description
Aluminium Mast
Colour:
Silver
Material:
Aluminium
Inside Diameter:
61.9mm
Outside Diameter:
69.9mm
Length
3 Metre
4 Metre
5 Metre
6 Metre
Weight:
7kg,
8kg (with base)
9kg,
10kg (with base)
11.7kg,
12.7kg (with base)
14.4kg,
15.4kg (with base)
Normal:
ALUM-3M
ALUM-4M
ALUM-5M
ALUM-6M
With Base:
ALUMB-3M
ALUMB-4M
ALUMB-5M
ALUMB-6M
With GI Male Adaptor:
ALUM3M-MGI
ALUMB4M-MGI
ALUMB5M-MGI
ALUMB6M-MGI
Section H
LPI® Cantilevering Saddles
Purpose designed stainless steel saddles for cantilevering Aluminium mast of 69.9mm outer diameter to flat
vertical surface.
Ordering Code
Description:
CANTSAD
70mm Saddles for mounting of Aluminium Mast (3 per set)
Material:
Stainless Steel
Weight:
180g per saddle, 540g per set
Dimension:
Hole Fixing Diameter:
Commercial in Confidence
Document: 36 TD Guardian.pub
130mm (L) x 70mm (W) x1.2mm (D)
8mm
Version: 2.07 19/12/2008
Copyright 2008 LPI
13
14
Section I
LPI® U-Bolt
LPI®’s U-Bolt set is specifically designed to allow for the secure clamping of aluminium or FRP mast to tower
section or handle rail.
Ordering Code
U-Bolt
Description:
U-Bolt, 2 per set
Material:
U-bolt:Stainless Steel, Plate:Aluminium
Weight:
375g per U-bolt, 750g per set
Dimension:
80mm Diameter, 170mm Length
Section J
LPI® High Voltage Shielded Cable
LPI®‘s High Voltage Shielded Cable (HVSC) is a high integrity low impedance cable, which is designed to
convey lightning energy to ground with minimal risk of side flashing or structure electrification. The design of
the HVSC incorporates carefully selected dielectric components to ensure optimum performance under high
impulse conditions. This design provides a low inductance per unit length with low surge impedance. The
LPI®‘s HVSC has been tested in compliance to IEC test standard: IEC 60-1:1989 and IEC 600601, 2nd
Edition,1989-11.
Ordering Code
HVSC-PM or HVSC-500M
Description:
High Voltage Shielded Cable
Nominal cross sectional area 50mm2
Concentric conductor:
Sheath Thickness:
3.3mm +/-0.3mm
Overall Diameter:
37mm +/-0.8mm
Weight of Cable:
2.050 kg per metre
DC Resistance of conductor at 20ºC:
Max. 0.387 Ohm/km
DC Resistance of screen at 20ºC:
Max. 0.492 Ohm/km
Insulation resistance at 20ºC:
Min. 1,830 M Ohm-km
Maximum Voltage:
280kV 1.2/50µs impulse
Section K
LPI® Cable Ties
LPI®‘s Cable Ties are designed for securing the HVSC downconductor to structures and mast assembly.
Ordering Code
SS-CABTIE-STD
Description:
Cable Ties
Material:
Commercial in Confidence
SS-CABTIES-L
Stainless Steel
Length:
360mm
520mm
Width:
7.9mm
7.9mm
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
14
15
Section L
LPI® Saddles and Fixings
LPI®‘s Saddles and fixings are specifically designed for securing of HVSC downconductor to structures.
Ordering Code
SAD FIX
Description:
Saddles and Fixings
Material:
Stainless Steel, Grade 304
Dimension:
90mm Length, 1.2mm Thickness
Fixing hole diameter:
7mm
Weight:
25g
Section M
LPI® Beam Clamp and Cable Support
LPI® Beam Clamp and Cable Support are specifically designed for the securing of the HVSC downconductor
to tower legs.
Ordering Code
BEAM CLAMP / CABLE SUPPORT - HVSC
Description:
Beam Clamp and Cable Support
Material:
Stainless steel, Polymer
Dimension:
60mm x 60mm x 50mm
Fixing hole diameter:
38mm
Weight:
180g
Section N
LPI® Lightning Strike Recorder
LPI®‘s Lightning Strike Recorder (LSR1) is a lightning strike counter. The LSR1 is simply mounted at any
location along the downconductor route. It’s purpose is to record the number of strikes captured by the
lightning terminal and conveyed by the downconductor.
Ordering Code
LSR1
Description:
Lightning Strike Recorder
Current sensitivity:
1500A 8/20µs impulse
Operating range:
Min. 1500A and Max. 220kA 8/20µs
Mechanical 6 digits display (not re-settable).
Display:
Dimension:
80mm (B) x 82mm (H) x 65mm (D)
Weight:
Mounting:
0.4 kg
Adjustable stainless steel cable ties to accommodate a
cable up to 40 mm dia. cable or 50mm x 5mm flat tape
Construction:
Colour:
Environment:
Operating Temperature:
Commercial in Confidence
Document: 36 TD Guardian.pub
Polycarbonate enclosure
Light Grey
IP 67 (IEC 529)
-15C to 65C
Version: 2.07 19/12/2008
Copyright 2008 LPI
15
16
Section O
LPI® Lower Termination Kit
LPI®‘s Lower Termination Kit provides accessories and tools for the termination of the HVSC lower end to
the dedicated lightning earth.
Ordering Code
Description:
Pack Dimensions:
Weight:
Contents:
LTERMKIT
Lower Termination Kit
270mm (B) x 100mm (H) x 40mm (D)
585g
1 x 95mm crimp lug
1 x waterproofing tape
1 x earth rod clamp
2 x warning labels
1 x insulation friction cutting tool
Section P
LPI® Threaded Copper bonded Earth Rods
LPI® ’s Copper bonded earth rods are made from high tensile low carbon steel and each rod is manufactured
by molecularly bonding 99.9% pure electrolytic copper to the low carbon steel core in accordance with
national and international standards such as BS6651, BS7430 and UL467. Threads are rolled onto the rod
ensuring an even copper covering which eliminates the risk of chipping whilst driving.
Ordering Code
Description:
CBER458
Threaded Copper bonded Earth Rod
Material:
Carbon steel bonded with Copper
Length:
1.219m
Rod Diameter (Actual):
14.3mm
Threaded Diameter:
Weight:
5/8”
1.54kg
LPI® Coupling for threaded earth rod
Whether connecting rod to rod or driving stud to rod the high strength copper alloy coupling is counter bored
to protect the earth threads from damage and subsequent corrosion.
Ordering Code
Description:
Material:
Commercial in Confidence
LEH-58R
Coupling for Threaded Earth Rod 5/8”
High strength copper alloy
Thread type:
5/8”
Weight:
130g
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
16
17
LPI® Copper Tape
LPI®‘s 25mm x 3mm soft drawn copper tape is manufactured using the latest European developed extrusion
technologies. LPI’s CT253 is a high quality tape which provides our customers with a guaranteed copper
purity of 99.95%.Flat copper tape in comparison to stranded copper cable is considered as the most efficient
conductor for the transfer of lightning energy to the ground mass. Flat tape provides greater surface contact
with the surrounding soil which assists greatly in the dissipation of the lightning energy.
Ordering Code
Description:
CT253
Copper Tape 25mm x 3mm (Soft Drawn)
Material:
Dimension:
99.95% Copper
25.00mm (Width) x 3.00mm (Thickness)
Weight:
Electrical Conductivity:
0.67kg per metre
Minimum 100% I.A.C.S
Standard:
BS1432
Tensile Strength:
Package:
210 - 250 N/mm²
Supplied in pancake coil form (50m per coil)
LPI® Rod to Tape Clamp Type A
LPI®‘s Rod to Tape Clamp provides a conductive and mechanically secure connection when installing a
lightning protection earth encompassing flat copper tape and copperbonded earth rods.
RTC1625A
Ordering Code
Description:
Material:
Rod to Tape Clamp “Type A”
to suit 5/8”mm Dia rod & 25 x 3mm tape
Gun Metal/ High strength copper alloy
Rod Diameter:
5/8” or 16mm
Conductor size:
25 x 3mm
Weight:
150g
Section Q
LPI® Inspection Pits
LPI®‘s Inspection Pits provide a secure and user friendly access point for maintenance purposes and the
periodical measuring of electrical resistance of a buried earthing system. In order to complete routine
measurements of electrical resistance simply remove the lid from the installed earth pit and connect a lead
from the resistance meter to the earthing conductor.
Ordering Code
Description:
Material:
Dimension:
Weight:
Strength:
Commercial in Confidence
Document: 36 TD Guardian.pub
EPIT-P
EPIT-C
Polymer Earth Pit
Concrete Earth Pit
Polymer
Concrete
250mm (top) x 180mm
(base) x 210mm (deep)
320mm (length) x 320mm
(width) x 200mm (deep)
1.9kg
32kg
Withstand up to 5
tonnes
Withstand 4.5
tonnes
Version: 2.07 19/12/2008
Copyright 2008 LPI
17
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Section R
LPI® Ground Resistance Improvement Powder
LPI®’s Ground Resistance Improvement Powder (GRIP) is a premium product designed to dramatically
reduce soil resistivity in the poorest soil conditions. When GRIP is mixed with water and poured onto the
earthing system and surrounding soil, the powder and water react to form a gelatinous mass which will not
reduce, contract or separate from the surrounding earthing system.
Ordering Code
GRIP-10
Description:
Ground Resistance Improvement Powder
Application:
To assist in achieving a DC ground resistance of less than
10 Ohm and impedance of less than 30 Ohms.
Weight:
GRIP-40
Part A = 5kg
Part B = 5kg
Part A = 20kg
Part B = 20kg
LPI® Chemical Ground Rod
LPI’s Chemical Ground Rod provides a low impedance earth to effectively dissipate lightning and electrical
fault currents. The Chemical ground rod is ideal in situations where space is restricted and normal lightning
earths such as radial and grid type systems cannot be installed.
Ordering Code
Length:
CHEMROD-2M
CHEMROD-3M
2m
3m
Diameter:
63.5mm
Copper Composition:
99.9% minimum
Standard:
Australian Standard AS1432
Melting Point:
1083ºC
Specific Heat Capacity:
0.385kJ (kg.K)
Electrical Conductivity
(Annealed):
75-90% I.A.C.S.
Wall Thickness:
1.6mm
Copper:
Hard-drawn
Cap:
Drainage Holes:
Mineral Salts:
Pigtail:
Commercial in Confidence
Removable type with air breather holes
4.5mm Diameter, provided every 40cm for the length of the
rod
Pre-filled from factory with non-hazardous natural electrolytic
salts
70mm Stranded Copper Cable, Pre-welded from factory to
allow for connection to earthing system
Weight:
12kg (CHEMROD)
40kg (RESLO)
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
17kg (CHEMROD)
60kg (RESLO)
Copyright 2008 LPI
18
Recommended Earthing Installation
This type of radial earth is recommended for installation as a lightning protection earth.
ISO 9001 Certificate
Lightning
Protection
International
Pty
Ltd
operates
a
certified
management system that complies with the requirements of AS/NZS
ISO9001:2000. The scope of certification encompasses the design,
manufacture, assembly, sales, installation and commissioning of
lightning and surge protection equipment and earthing material.
Commercial in Confidence
Document: 36 TD Guardian.pub
Version: 2.07 19/12/2008
Copyright 2008 LPI
19