Introduction - UNI-T UT2658 Operating Manual

I. Introduction
UT265 intelligent double clamp phase digital voltammeter (also known as
Automatic dual-clamp digital phase voltampere meter) comes out from
tremendous efforts of our company and is a totally automatic, multi-functional,
digital and intelligent tool especially designed for on-site measurement. It is
an update version of machinery knob-type voltampere meter, easier to
operate and less likely to make errors and therefore stands out with following
advantages: high accuracy, high stability, low power consumption and
convenient handling. With the loop kept connected, the meter can measure
two-way AC voltage, current, phase angles between voltages, currents or
both, frequency, phase sequence, active, reactive and apparent powers,
power factor; differentiate wiring groups of transformers, inductive and
capacitive circuits; test secondary loop and bus differential protection system;
read out differential protection phase between CT units; check and ensure
6
correct wiring of kilowatt-hour meter and good conditions of wiring equipment,
which all together turn the meter into a safe, accurate, convenient new model
of instrument for electrical inspection.
The meter, designed with molded housing made in latest materials and anti-
vibration, anti-skidding, high-insulation protection jacket, can offer 240dots
160dots and dynamic display together with vector diagram indication, thus
presenting users luxurious and elegant exterior structure. It is equipped with
RS232 and available for data storage of 1500 sets which can be transferred
into PC through system software for further online real-time monitoring,
history lookup, dynamic display, data readout, save, report and printing, ect.
It is also called automatic dual-clamp digital phase voltampere meter, multi-
purpose dual-clamp digital phase voltampere meter, automatic phase
voltampere meter, or digital phase voltampere meter. The meter integrates
functions from general machinery dual-clamp digital phase voltampere meter
and can be applied in electric power, petrochemical, metallurgy, railway,
7