Product introduction The high-voltage dielectric loss test device
is used for on-site anti-interference dielectric loss measurement,
or precision dielectric loss measurement in the laboratory. The
instrument is an integrated structure with built-in dielectric loss
bridge, variable frequency power supply, test transformer and
standard capacitors. Using frequency conversion anti-interference
and Fourier transform digital filtering technology, automatic and
intelligent measurement, the measurement data is very stable under
strong interference. The measurement result is displayed by a
large-screen LCD, and the built-in micro-printer can be printed
out.Product Features1 Frequency conversion anti-interferenceUsing
frequency conversion anti-interference technology, it can still
measure accurately under 200% interference, and the test data is
stable, which is suitable for on-site anti-interference dielectric
loss test.2 High-precision measurementUsing techniques such as
frequency floating, digital waveform analysis, and bridge
self-calibration, combined with high-precision three-terminal
standard capacitors, high-precision dielectric loss measurement is
achieved, and the accuracy and stability of the positive/reverse
wiring measurement are consistent.The input resistance of all
ranges of the instrument is lower than 2Ω, which eliminates the
influence of the additional capacitance of the test line.It can be
connected to an oil cup for precision dielectric loss test of
insulating oil, and can be connected to a solid material measuring
electrode for precision dielectric loss test of insulating
material.3 Good compatibilityAutomatic identification of 50Hz /
60Hz system power supply, support generator power supply, even if
the frequency fluctuates greatly, it can be measured normally.The
built-in series and parallel dielectric loss measurement models are
fully compatible with the calibration table and dielectric loss
standard, which is convenient for instrument verification.4
Multi-level safety protection to ensure personal and equipment
safetyHigh-voltage protection: short-circuit, breakdown or
high-voltage current fluctuations of the test product can cut off
the output at a high speed in a short-circuit mode.Low voltage
protection: wrong connection of 380V, power supply fluctuation or
sudden power failure, start protection, will not cause
overvoltage.Grounding protection: When the instrument's poor
grounding causes the enclosure to carry dangerous voltage, the
grounding protection is activated.C V T: Four protection limits of
high voltage and current, low voltage and current, will not damage
the equipment; wrong selection of the menu will not output
excitation voltage. There is no 10kV high voltage output during CVT
measurement.Misoperation prevention: two-level power switch;
real-time monitoring of voltage and current; multiple keystrokes to
confirm; terminal high/low voltage is clearly defined; slow
boosting, rapid decompression, sound and light alarm.Anti-
"capacity rise": When measuring large-capacity samples, there will
be a "capacity rise" effect of increased voltage. The instrument
can automatically track the output voltage and keep the test
voltage constant.Anti-seismic performance: The instrument adopts a
unique anti-seismic design, which can withstand strong
long-distance transportation vibration and bumps without being
damaged.High-voltage cable: It is a high-voltage resistant
insulated wire that can be used for mopping the ground.5
Technological breakthroughs, powerful functions(1) With an external
standard capacitor interface, it can automatically track the
frequency of the external test power supply from 45Hz to 65Hz, and
support industrial frequency power supply and series resonance
power supply for large-capacity high-voltage dielectric loss
test. 6 It has the function of discharging prompt for poor
circuit contact to facilitate the judgment of whether the wiring is
reliable. 7 With CVT self-excitation method measurement
function, C1/C2 can be measured at the same time during one
connection, automatically compensate for the effect of bus
grounding and the partial voltage of standard capacitors, without
changing wires and connecting any external accessories, and
high-voltage connecting wires can be grounded. 8 With reverse
wiring low-voltage shielding function, when the 220kVCVT bus is
grounded, the C11 can be measured without disconnecting the 10kV
reverse wiring dielectric loss, and the master and slave capacitors
can be measured at the same time for one wiring. 9 Chinese
graphic menu, large backlit LCD display. 10 Equipped with
thermal printer, printing data is clear and fast, without
noise 11 With calendar clock, 100 sets of measurement data
can be stored. 12 With computer interface (optional). Through
this interface, the measurement, data processing and report output
can be realized, and the internal measurement software of the
instrument can also be upgraded. A computer can control 32 instr
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