Product Introduction
Wuhan UHV Power Technology Co.,Ltd., is a professional manufacturer and supplier of high-voltage power testing equipment in China.The arrester discharge counter tester is a professional testing device used to inspect and verify the performance of discharge counters on metal oxide surge arresters (MOA). By simulating the operating signals that the arrester discharge counter would receive during actual operation, the instrument verifies the counter's operational reliability, counting accuracy, and related electrical performance, thereby ensuring that the discharge counter can properly record the number of arrester discharge events.
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Product functions
Discharge counter testing: Simulates the discharge signal of the arrester to test whether the counter can operate correctly and accurately record the number of discharges.
Impulse current testing: Outputs a high-amplitude impulse current to simulate actual lightning impulse conditions, verifying the operational reliability of the discharge counter.
Ammeter calibration: Provides calibrated current output for checking the measurement accuracy of arrester leakage current meters and related monitoring devices.
Test parameter adjustment: Output parameters can be adjusted according to the test requirements of different types of arrester discharge counters, meeting different testing scenarios.
Repeated operation testing: Supports multiple consecutive tests, effectively checking the stability and reliability of the counter during repeated operations.
Portable on-site testing: Compact structure and easy operation, suitable for on-site testing at substations, as well as for laboratory and production inspection applications.
Product Characteristics
1、Dual-Valve Structure: Employs a double-valve design for reliable measurement performance.
2、Compact and Lightweight: Small footprint and light weight for easy portability and handling.
3、Safe, Fast, and Accurate: Ensures safe operation throughout the measurement process while delivering rapid and precise results.
Parâmetros técnicos
| Tensão de entrada | AC220V±10% 50Hz; DC12V |
| Impulse voltage | 0-1600V Precision: 2%±5V （Customized higher voltages as required） |
| Corrente de impulso | >100A (8/20μS square wave） |
| Calibration current | 0-10mA, ±2%±3 words |
| Consumo de energia do instrumento | <30VA |
| Dimensão | 320×240×150mm3 |
Application Scenarios
Substation on-site testing: Periodically verifies arrester discharge counters to confirm whether their operation and counting are normal.
Power equipment maintenance: Used for routine maintenance and preventive testing of arresters and their monitoring devices, promptly identifying abnormalities.
Arrester production and factory inspection: Used for performance testing of discharge counters during the manufacturing process and before product delivery.
Power testing organizations: Used for testing and calibration of discharge counters, ammeters, and related monitoring equipment.
Equipment installation acceptance: Before newly installed arresters and discharge counters are put into operation, verification can be performed to confirm that the equipment functions properly.
Laboratory testing: Used for operational performance, counting accuracy, and stability testing of different types of discharge counters.
On-site fault diagnosis: When abnormal counter readings or abnormal leakage current display are observed, the tester can be used for rapid detection and assessment.
FAQ about Arrester Discharge Counter Calibrator
Q: Why is it necessary to verify the arrester discharge counter?
A: The discharge counter is used to record the number of discharges the arrester has experienced during operation, and its working condition directly affects the reliability of arrester operating data. Regular verification can promptly identify issues such as counter failure to operate, false operation, or counting abnormalities, ensuring accurate monitoring data and providing a basis for equipment operation, maintenance, and condition assessment.
Q: What functions can the Arrester Discharge Counter Calibrator test?
A: The equipment is mainly used for operation testing and counting accuracy verification of discharge counters. Some models also feature current calibration functionality, which can test arrester leakage current meters and related monitoring devices, thereby enabling comprehensive testing of both discharge counting and current monitoring functions.
Q: What key parameters should be considered during testing?
A: The main parameters to focus on are impulse current, impulse voltage, output waveform, number of test cycles, and current calibration range, depending on the type of counter under test and its technical requirements. Selecting appropriate test conditions can improve the accuracy and repeatability of test results.
