Metal Zinc Oxide Lightening Arrester
- Wrindu
- RDYZ-302
1. RDYZ-302 Metal Oxide Surge Arrester Analyzer is a special instrument designed for live detection of metal oxide arresters in power systems.
2. Metal Zinc Oxide Lightening Arrester can measure the AC leakage parameters of the equipment while it is in operation, allowing for the timely detection of potential defects such as moisture in the internal insulation of the equipment or aging valve plates.
3. The instrument ensures accuracy and reliability by accurately sampling the voltage and current signals of the measured equipment and employing anti-interference methods such as Fourier transform technology, harmonic analysis, and digital filtering.
Features
Fully automatic instrument, one wiring can measure three-phase data at the same time, or single-phase data separately.
It has the function of HARMONIC ANALYSIS and can accurately analyze the content of fundamental wave and 3rd, 5th and 7th harmonics.
Anti-interference function to ensure accurate and reliable data.
Voltage phase selection function. The voltage signal can be connected to any phase A, B and C.
Angle compensation function (when the voltage signal is 220V).
8.0-inch color touch LCD screen can display three-phase data and waveform at the same time.
AC / DC dual-purpose, built-in high-capacity lithium-ion battery, one charge can work continuously for about 6 hours.
There are three measurement methods: wired, wireless and no Pt, which support the signal acquisition of 220V maintenance power supply.
RS232 serial communication; USB interface
Wireless data transmission eliminates the tedious work of long-distance wiring of voltage measurement lines and reduces labor intensity;
Humanized menu design, friendly man-machine interface, simple operation, and the switching function of Chinese and English interface;
Storage function: the instrument can save 200 groups of test data, and the saved data can be exported by USB flash disk;
Small size, light weight, easy to carry, suitable for field operation.
Parameters
1. Measuring range: 0 ~ 50 mA
2. Measurement accuracy
Wired mode: fundamental: ± (reading × 2% + 2 words), harmonic: ± (reading × 10% + 5 words)
Wireless mode: fundamental: ± (reading × 5% + 5 words), harmonic: ± (reading × 10% + 10 words)
3. Resolution: 0.001 mA
4. Measurement parameters:
Full current waveform and fundamental peak value of leakage current.
The fundamental peak value and the 3rd, 5th and 7th peak value of the resistive component of leakage current.
Capacitive current fundamental peak value, full voltage, full current phase angle difference.
Effective value of voltage.
Power consumption of lightning arrester.
5. Voltage signal input: 30 ~ 250V
6. Maximum wireless transmission distance: 400m (sight distance)
7. Ambient temperature: - 10 ℃ ~ 40 ℃
8. Ambient humidity: < 90% RH
