■ functional characteristics of resistive current tester for zinc oxide arrester

▲ the instrument adopts wireless vector synchronous measurement system.

▲ 800 × 480 dot matrix 65K true color large screen LCD, full Chinese menu operation.

▲ the instrument adopts a unique high-precision sensor to directly collect the input voltage and current signals.

▲ it has the function of harmonic content test, and can measure single-phase or three-phase at the same time.

▲ it has the function of resistive current fundamental wave peak output.

▲ built in nonvolatile memory can store a large amount of recorded information such as test data, waveform and harmonic.

▲ 30 groups of measurement records can be saved in the mode of cyclic update.

▲ the instrument is equipped with U-disk interface, which can store any group of test records.

▲ the instrument is equipped with wireless transmitting module, which can carry out wireless voltage acquisition and cooperate with the host for wireless measurement.

▲ the instrument has a built-in high-precision real-time clock, which can calibrate the date and time.

▲ the instrument has a built-in lithium battery and can work continuously for 6 hours. It has the functions of calendar clock, power down storage, USB flash disk storage, micro printer and so on.

▲ among them, vs-400a has wireless transmission function.

■ technical parameters