Twisted Pair
Co-ax
TDR500 User Guide
TIME DOMAIN
REFLECTOMETER
Main Type
Sub Type
Velocity Factor
Polyethylene
Jelly Filled Polyethylene
PTFE (Teflon)
Paper (Pulp 0.083uf/mile)
Paper (Pulp 0.072uf/mile)
Foam Polyethylene
Air Spaced Co-axial
Air
Solid Polyethylene
Megger Limited
Archcliffe Road, Dover
Kent CT17 9EN England
T +44 (0)1 304 502101
F +44 (0)1 304 207342
E [email protected]
TYPICAL CABLE VELOCITY FACTORS
0.67
0.64
0.71
0.72
0.88
0.82
0.94
0.98
0.67
TELECOMMUNICATIONS CABLES
Plc
Gel filled
19 AWG 0.72
22 AWG 0.67
24 AWG 0.66
26 AWG 0.65
19 AWG 0.68
22 AWG 0.62
24 AWG 0.60
26 AWG 0.58
Pulp
Service Wire
22 AWG 0.67/0.71
24 AWG 0.68
26 AWG 0.66
0.64
SAFETY WARNINGS
●
This instrument is not to be used on
energised cable.
●
The instrument should
not
be used if any part
of it is damaged.
●
Disconnect the test leads before accessing
the battery compartment.
●
Refer to operating instructions for further
explanation and precautions.
●
Safety Warnings
and
Precautions
must be read
and understood before the instrument is used.
They
must
be observed during use.
NOTE: THE INSTRUMENT MUST ONLY BE USED BY
SUITABLY TRAINED AND COMPETENT PERSONS
OPEN
CONDUCTOR
SHORTED
CONDUCTOR
SPLICE
BRIDGE TAP
SPLIT/
RESPLIT
WET SPLICE/
WATER
FRAYED
CABLE
WATER
INGRESS
TAP
SPLITTER
Mechanical
The instrument is designed for use indoors or outdoors and is
rated to IP54.
Case Dimensions
230mm long
(9 inches)
115mm wide
(4.5 inches)
48mm deep
(2 inches)
Instrument Weight
0.6kg (1.32lbs)
Case Material
ABS
Connectors
BNC Terminal
Test Lead
300mm long with croc clips.
Display
122 x 32 pixel Graphics LCD.
Environmental
Operational Temperature
-15
O
C to +50
O
C
(5
O
F to 122
O
F)
Storage Temperature
-20
O
C to 70
O
C
(-4
O
F to 158
O
F)
Ordering Information
TDR 500
Included Accessories
Test & Carry case with strap
6420-125
Lead Set
6231-694
User Guide
6172-726
This instrument is manufactured in the United Kingdom.
The company reserves the right to change the specification or design
without prior notice.
Megger is a registered trademark
Part No 6172-726 V02 Printed in England 1105
www.megger.com
Megger Limited
Archcliffe Road, Dover
Kent CT17 9EN England
T +44 (0)1 304 502101
F +44 (0)1 304 207342
E [email protected]
Megger
4271 Bronze Way, Dallas,
Texas 75237-1019 USA
T +1 800 723 2861 (USA ONLY)
T +1 214 333 3201
F +1 214 331 7399
E [email protected]
Megger
Z.A. Du Buisson de la Couldre
23 rue Eugène Henaff
78190 TRAPPES France
T +33 (0)1 30.16.08.90
F +33 (0)1 34.61.23.77
E [email protected]