Product overview

YD zinc oxide arrester Tester is used for field and laboratory testing surge arresters the relevant electrical parameters of the instrument, widely used in live, online monitoring of MOA (live test) and laboratory (power outage maintenance) testing. Meet the People's Republic of China power industry DL474.5-92 of field implementation guidelines-surge arrester insulation test test to the number. This instrument adopts microcomputer sampling, control and other advanced technology capable of measuring zinc oxide arrester full current at power frequency voltage, the third harmonic, resistive current, resistive current peak, the capacitive current, active power, and so on. And displays the voltage, the current waveform and print output. Use of large-screen LCD display, Chinese menu prompts, make exchange more powerful. And provide on-site wiring display. The instrument has a simple wiring, high measurement accuracy, reliability and so on.

Characteristics of the instrument

1) the use of large-screen LCD display, Chinese menu, easy to use.

2) high precision sampling circuit the Fourier harmonics analysis of advanced technologies, ensuring that data are more reliable.

3) instrument using a unique high speed digital sensor gathering input voltage and current signals, ensuring the reliability and security of data.

4) wireless transmission of PT secondary voltage signals.

5) with resistive current base peak output, phase correction and so on.

6) instrument is equipped with rechargeable battery, calendar clock, mini printer can store 120 groups of data.

Instrument panel structure

1. current signal input terminal 6. Large screen LCD

2. the voltage signal input terminal 7. Power switch

3. safety Earth Terminal 8. Micro printers

4. menu key

5. power outlet

Three main technical index:

• Measurement parameters and ranges

Test voltage: KV

Third harmonic voltage KV

Current (peak value): 0-10 mA

Third harmonic current: 0-10 mA

The resistive current (peak value): 0-10 mA

Peak of resistive current: 0-10 mA

The capacitive current (peak value): 0-10 mA

Surge arrester power consumption: 0-8W

In addition to the above measurement values, can also display voltage and current waveforms.

• Measurement error:

Test voltage: ± 2%

Current: ± 2%

The resistive current: ± 5%

The capacitive current: ± 5%

Surge arrester power consumption: ± 5%

• Input signal:
• Voltage signals (PT lowside): AC 5-200V
• Current: AC 0-10mA
• Power supply: AC 220V ± 50Hz