GDZL-306 zinc oxide lightning arrester live tester
The GDZL-306 zinc oxide lightning arrester live tester is suitable for live or power-off detection of zinc oxide lightning arresters of various voltage levels. It can detect dangerous defects such as internal insulation moisture and valve plate aging.
This instrument is easy to operate and use. The entire measurement process is controlled by a human-machine interface, and the large screen can display the true waveforms of voltage and current. This instrument adopts digital waveform analysis technology to obtain accurate and stable measurement results, and can accurately analyze the content of fundamental waves and 3rd to 9th harmonics.
Technical indicators
Power supply: powered by internal lithium battery or DC8.4V adapter
Measurement range:
Leakage current: 0-20mA;
Voltage: 30-250V;
Angle: 0-360 º
Resistive current: 0-20mA;
Capacitive current: 0-20mA;
3.Measurement accuracy:
Current: When the full current is greater than 100 μ A: ± 5% reading ± 1 word;
Voltage: When the reference voltage signal is greater than 30V: ± 5% reading ± 1 word.
4. Measurement parameters:
Leakage current: full current waveform, fundamental effective value, peak value.
Leakage current resistive component: waveform
1. 3, 5, 7, and 9 valid values.
Positive peak Ir+negative peak Ir -.
Fundamental wave of capacitive current.
Voltage: voltage waveform, effective value of voltage.
Phase angle difference and power consumption.
5. Sampling method for voltage reference signal:
Wired synchronization: 40 meters
Wireless synchronization:>1500 meters
6. Lithium battery parameters:
Charging time>2.5 hours
Continuous working time>7 hours
Intermittent working time>7 × 24 hours
7. Full box size: Host 42cm × 34cm × 18cm
8. Full box weight: Main unit 7.5kg
Equipment Introduction
Color touch screen: 800 × 480 7-inch high-definition color touch screen, human-machine dialogue.
Large wireless distance: compatible with wireless synchronization, wireless transmission signal exceeds 1500 meters, optional up to 5000 meters.
Multiple synchronization methods: Supports 485 wired synchronization and wireless synchronization; The voltage free mode uses software to set angles or current analysis methods to calculate and find four synchronization modes for voltage reference.
Large range acquisition: voltage acquisition range 0-250V, current acquisition range 0-20mA.
Three phase simultaneous testing: truly achieving simultaneous testing of three-phase current and three-phase voltage, improving work efficiency; Supports both single-phase and two-phase testing, making it easy to choose.
Voltage options: Supports taking three-phase or B-phase voltage reference as voltage reference; Support the use of induction plates to take the B-phase electric field strength as a voltage reference (optional), which facilitates voltage sampling; Support maintenance of power terminal box voltage.
Bluetooth control and data upload: Standard Bluetooth function, equipped with Android Bluetooth APP, can be installed on mobile phones or tablets to control, upload, and generate Word files.
It has optional functions, but the standard version does not have optional functions. Customers can customize according to their needs.
The host and unit are composed of two parts, plus a dust-proof and anti-corrosion integrated chassis, which is small in size, light in weight, and easy to carry.
Suitable for the following scenarios：
Regular online inspection of the power grid: daily live preventive testing of lightning arresters in substations and transmission lines.
Emergency defect troubleshooting: high-risk equipment troubleshooting after thunderstorm season or system overvoltage faults.
Laboratory factory acceptance: equipment power-off maintenance and performance quality inspection of the factory or handover laboratory.
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