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Megger DLRO10HD Manual

Megger DLRO10HD Manual

10 a digital low resistance ohmmeter
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DLRO10HD
10 Amp Digital Low Resistance
DESCRIPTION
Augmenting Megger's DLRO10 and 10X range the DLRO10HD
combines ultimate simplicity of operation with a rugged IP65
case designed for stable ground and bench operation.
The unit is powered from either its rechargeable battery or line
power making it suitable for continuous testing in production
line/repetitive use environments.
Rotary switch controls are simple and easy to operate in all
weather conditions and with gloved hands. A large, clear,
backlit LCD display is easy to read from a distance. The
DLRO10HD provides significantly enhanced compliance and
is capable of delivering 10 A into measurements up to 250
mΩ and 1 A into measurements up to 2.5 Ω. The duration of
each test may be up to 60 seconds.
The DLRO10HD is rated CATIII 300 V provided the optional
terminal cover is fitted to the instrument. Details of which can
be found in the ordering information panel of this data sheet.
The DLRO10HD provides five test modes each of which is
selected through a simple rotary control.
History of 'Ducter' testing
For over 100 years the 'Ducter test' has been used to describe
a simple test for measuring very low contact resistances
and "Ducter", which is still used as a trade mark, was the
name originally given to the low resistance ohmmeter
manufactured by Megger. The name Ducter was registered
by Megger in June 1908 and 'Ducter' has since become the
industry standard.
10 A Digital Low Resistance Ohmmeter
■ NEW
interchangeable test lead terminations
High or low output power selection for
condition diagnosis
Rechargeable battery or line power supply,
continuous operation, even with dead
battery
10 A for 60 seconds, less time waiting to
cool
Protected to 600 V without blowing a fuse,
test lead live voltage warning light
Heavy duty case: IP 65 lid closed, IP54
battery operation
Simple rotary switch selection of five test
modes, including auto start on connection
ADDITONAL FEATURES AND BENEFITS
n
Rugged case well suited to transportation with shoulder
strap and lead set pouch
n
Removable lid facilitates easy test lead connection
n
Operational ingress protection is IP 54 (battery power
only) ensuring protection from the elements
n
7Ah lead acid battery provides extended operation and
can be charged whilst operating from line power
Rotary mode switch with bidirectional (current reversal
n
with averaging cancels thermal EMFs), unidirectional,
automatic, continuous and inductive modes
n
Large, clear LCD display with backlight and contrast
adjustment
Auto power off function conserves battery
n
APPLICATIONS
The DLRO10HD measures low resistance values in applications
ranging from railways and aircraft to resistance of components
in industry.
Any metallic joint can be measured but users must be aware
of measurement limitations depending on application. For
example, if a cable manufacturer plans to make resistive
measurements on a thin wire, a low test current should be
selected to prevent heating the wire thereby changing its
resistance
DLRO10HD

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Summary of Contents for Megger DLRO10HD

  • Page 1 Large, clear LCD display with backlight and contrast each test may be up to 60 seconds. adjustment The DLRO10HD is rated CATIII 300 V provided the optional Auto power off function conserves battery terminal cover is fitted to the instrument. Details of which can be found in the ordering information panel of this data sheet.
  • Page 2 The green resistance ranges on the keypad indicate low The DLRO10HD is well suited to measuring thick conductors, output power (<0.25 W) outputs. Red ranges indicate higher bonds and quality of welding because of its 10 A range for 2.5 W (1 A) and 25 W (10 A) power outputs.
  • Page 3 DH4C lead set terminal cover may be used IP rating IP65 case closed, with any test leads, only the Megger DH4, DH5 and DP1-C IP54 battery duplex handspikes, and KC2-C insulated kelvin clips have operation suitable probe insulation to comply with the requirements of IEC61010-1 and the CATIII 300 V rating.
  • Page 4 Test leads supplied with instruments Needle Points 2m/7ft 242003-7 1006-603 DLRO10HD = DH4-C probe 1,5m leads 1006-444 1006-604 DLRO10HD = KC1 kelvin clip 3m leads 1006-462 Duplex 1.27 cm (1/2 “) Kelvin Clips. (2) 1006-657 DLRO10HD = No test leads supplied 1006-657...