Product overview:DC resistance of transformer is the essential item
to be tested in semi-finished product, finished product delivery
test, installation, handover test and preventive test by electric
power department, and is effective to help find manufacturing
defects such as materials selection for transformer coil, welding,
looseness on connection, strand breaking, wire breaking and so on,
as well as hidden dangers after operation. To satisfy the
requirement for quick measurement of DC resistance of transformer,
our Company has developed Three-channel, DC resistance tester
aiming at connection winding. The tester can fulfill functions such
as simultaneous energization on three phases, independent current
sampling, voltage sampling, as well as simultaneous measurement and
display of three-phase resistance value and three-phase unbalance
rate, thus can significantly reduce test time for DC resistance of
transformer, solve the problem of long test duration for DC
resistance of each tapped winding of electric power transformer. It
requires only 1/3 of the time required by traditional method.
Feature and Functions:1. One wiring can complete the measurement of
three channels 2. The instrument provides 6-gear output current
selection and an automatic gear. The maximum output current is 10A
3. It is applicable to inductive test objects such as transformer,
mutual inductor, reactor, generator, motor, etc., and can also be
used to measure test objects such as switches, copper bars,
contactors, relay contacts, metal wires, cable accessories, etc 4.
With perpetual calendar, 99 groups of data storage, automatic
temperature conversion and other functions, no data loss after
shutdown 5. A printer can output and print test data Technical
parameters:1. Working power supply: built-in 12.6V/7.8AH lithium
battery 2. Output current: 5mA, 100mA, 300mA, 1A, 5A, 10A,
automatic 3. Measuring range: 0-20k Ω 4. Accuracy: soil (0.2%
RD+0.05% FS) 5. Minimum resolution: 1u Ω 6. Display: large screen
color LCD ModelJH2530Working power supply220V (AC)Output
current5mA, 100mA, 300mA, 1A, 5A, 10A, automaticMeasuring
range0-20k ΩMinimum resolution1u ΩWeight5kgAccuracy ±(0.2%
RD+0.05% FS)DisplayLarge screen color LCDFeature3 Channels DC
Resistance TesterFAQ1. Is your company a sales company or a
manufacturer?Our company is an industrial and trade enterprise,
with our own factory and lab, self-produced and self-sold. We were
founded in 2013 and have 12 years of production experience, which
has reliable production lines, test rooms and R&D centers.2.
Whether the goods are in stock, whether they can be customized, and
how long the delivery time?After the goods have been ordered, it
takes about 7 working days for production if there are no
accidents.3. Is the quality guaranteed?In order to ensure quality,
we use imported components in large quantities. After three times
of quality inspection, the goods can be sent out, and the export is
in well package with fast shipping.4. What are the after-sales
terms?We offer free consulting service, 1 year warranty, and adopt
various methods such as email communication, video calls,
technology door-to-door, aiming to solve any after-sales problems
in a timely manner.5. What are the cooperative countries or
regions?Products have been successfully exported to the United
States, Brazil, Australia, Russia, the Netherlands, Indonesia,
Bangladesh, Iran, India, Saudi Arabia, Mongolia, Japan and other
countries and regions. In the United States, India, Vietnam and
other regions have cooperative distributors, can provide thoughtful
services.6.Is customization supported?We support customization in
language use according to your requirement if the quantity ordered
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