Product Description
DC resistance measurement of transformer winding is an essential
test project during transformer transfer, repair and changing
tapping switch. Measuring DC resistance of transformer winding, you
can check out weld or connection quality of down-lead, the winding
inter-turn short circuit or open circuit, and whether tap-changer
is well contacted. In the previous it is generally to use QJ44
double bridge to measure DC resistance, but the measuring current
for this type of bridge is mA level current. So measurement will
take a long time, and accuracy is lower. In order to change the
above situation, our company has developed RSZZ-2A DC Resistance
Rapid Tester.
This instrument is a high-precision regeneration product used to
replace DC single/double bridge. Equipped with advanced switch
power supply technology, the measurement speed of the instrument is
faster a hundred times than that of the bridge. Using four and half
bits LCD to display the measurement results and three and half bits
LCD to display ambient temperature or test current value, it
overcomes the shortcoming of other similar products that it is
difficult to read value from the LED display in the sun and
possesses automatic arc suppression function. The instrument is
characterized by fast test speed, high precision, intuitive
display, strong anti-interference ability, small size, low power
consumption, stable and reliable test data. Built-in rechargeable
battery pack (12V) and AC/DC dual-use, the instrument is very
convenient for on-site and field test.
Product Features
1. Fast test and high accuracy.
2. Wide measurement range: resistance measurement range 1μΩ ~ 2KΩ,
wide range.
3. AC and DC power supply: Attached rechargeable battery, the
instrument can use AC and DC power supply. Portable design, it is
easy to carry and use.
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