The KDZD is used for spark gap discharge measurement and overvoltage protection in high-voltage tests. Connected in parallel with test samples, it provides reliable overvoltage protection during withstand tests, complying with GB311.6-83 and power industry preventive test standards.
The KDZD is used in high-voltage tests for spark gap discharge and overvoltage protection. Connected in parallel with test objects, it provides reliable overvoltage protection during withstand tests, complying with GB311.6-83 and power industry preventive test standards.
The KDFZC-10 is a portable tester for calibrating lightning arrester discharge counters. It replaces bulky traditional equipment, ideal for substation maintenance, power plant inspections, and field testing to verify counter functionality and ensure reliable lightning discharge recording.
Compliant with DL/T596-2021 and GB/T 11032-2020, the KDYZ-30kV tests ZnO (MOA) arresters (≤10kV) for DC 1mA voltage (U1mA) and 0.75U1mA leakage current, detecting internal defects. Used in power plants, substations, factories, and labs for preventive maintenance and quality inspection.
The MOA-Ⅱ is designed to measure the varistor voltage (U1mA) and leakage current (Id) at 0.75U1mA for zinc oxide varistors. It is ideal for R&D labs, quality control departments, and arrester manufacturers to evaluate the performance and quality of MOA components during production and acceptance testing.
Compliant with DL474.5-92, the KDYZ-301 analyzes ZnO (MOA) arrester leakage/resistive current and 3rd–7th harmonics to detect aging and moisture. Used in substations, power plants, and labs for live testing, factory commissioning, and acceptance inspections to ensure safe operation.
The KDFC-2G is designed for DC parameter testing of overvoltage protection components like ZnO varistors, metal ceramic tubes, and gas discharge tubes. It also serves as a stable voltage/constant current source, ideal for R&D labs, quality control, and surge protection device manufacturing.
Mainly used for testing live suspension insulators or laboratory testing of the distributed voltage of suspension insulators
Compliant with DL474.5-92, the KDYZ-301 is for live and lab testing of ZnO (MOA) arresters, measuring leakage/resistive current and 3rd–7th harmonics to detect aging and moisture. It is widely used in substations, power plants, and factories for commissioning, maintenance, and acceptance testing.
The KDYZ-205 type zinc oxide lightning arrester resistive current tester is a specialized instrument used to test the electrical performance of zinc oxide lightning arresters.
The KDYZ-301 is used for live or outage testing of ZnO lightning arresters at all voltage levels, detecting insulation moisture and valve plate aging. It is ideal for substation maintenance, field testing, and quality inspection in power systems.
The KDYZ-201 is used for live or outage testing of ZnO lightning arresters at all voltage levels, detecting insulation moisture and valve plate aging. It is ideal for substation maintenance, field testing, and quality inspection in power systems.
The KDFC-2G is designed for DC parameter testing of overvoltage protection components like ZnO varistors, metal ceramic tubes, and vacuum lightning arresters. It is also used as a stable voltage/constant current source in R&D labs, quality control, and surge protection device manufacturing.
The KDYZ-306 is used for on-site and laboratory testing of 3-phase zinc oxide (ZnO) lightning arresters. It measures total current, resistive current, and harmonics to detect insulation degradation and valve plate aging, making it essential for substation maintenance, power grid safety, and quality control in electrical equipment manufacturing.
