Surge Arrester Monitor Calibrator
Model: XHJS401A | For 1000kV-Class DC Arrester Monitors
Product Overview
The XHJS401A surge arrester monitor calibrator is an independently developed precision test instrument designed to meet the calibration needs of DC surge arrester monitors used in power systems, such as Model JCQ(WZ)-16. It is mainly used for the calibration of 1000kV-class arrester monitors, delivering stable measured values, strong anti-interference heterodyne output in online state, standard sine wave output and a built-in battery for convenient on-site measurement. It provides a complete solution for verifying the operating status of surge arrester leakage current monitors, action counters and their associated alarm circuits.
Applications & Target Audience: Engineered for UHV/EHV transmission line operation and maintenance units, electric power research institutes and metrology & testing organizations, surge arrester and insulator manufacturer quality control departments, substation automation system integrators and power transmission & transformation commissioning companies that need to calibrate 1000kV-class DC surge arrester monitors and verify their action counters and leakage current readings.
Key Specifications
| Parameter |
Specification |
| Model |
XHJS401A |
| Power Supply |
Built-in 10.4Ah 12V battery |
| Output Frequency |
55Hz |
| Output Current |
0-5mA / 10mA / 30mA (customizable) |
| Resolution |
0.001mA |
| Current Accuracy |
0.5% ± 3 digits |
| Inrush Current |
50A ∼ 100A (instantaneous) |
| Inrush Voltage |
DC 1500V / 1800V |
| Action Count |
1 ∼ 2s/time |
| Number of Actions |
Cyclic measurement |
| Output Waveform |
Standard sine wave |
| Applicable Monitors |
DC arrester monitors, e.g. JCQ(WZ)-16, up to 1000kV class |
| Certification |
ISO / CE |
Performance Features
- Stable Measured Values: Excellent output stability ensures repeatable and trustworthy calibration results for leakage current and action counter verification.
- Strong Anti-Interference in Online State: Heterodyne output design maintains high accuracy even when the monitor remains connected in the live power system.
- Standard Sine Wave Output: 55Hz standard sine wave simulates the real operating signal of arrester monitors for realistic verification.
- High Resolution: 0.001mA resolution with 0.5%±3 digits accuracy meets the strict requirements of 1000kV-class monitor calibration.
- Built-in Battery: 10.4Ah 12V battery supports convenient on-site measurement without external power supply.
- Cyclic Action Counting: 1-2s per action with cyclic measurement enables reliable verification of monitor action counters.
Calibration Application Scenarios
- Preventive Maintenance Tests: Periodic calibration of arrester monitors during routine substation preventive tests to ensure accurate leakage current indication.
- UHV/EHV Line Maintenance: On-site verification of 1000kV-class line arrester monitors during transmission line overhaul and maintenance windows.
- Factory Acceptance Testing: Outgoing quality control for arrester monitor manufacturers and incoming inspection for power utilities.
- Commissioning and Handover: Calibration of newly installed monitors during substation commissioning and project acceptance to establish baseline data.
- Metrology and Research: Laboratory verification for power research institutes and metrology organizations supporting calibration traceability.
FAQ
Q1: What is the XHJS401A surge arrester monitor calibrator used for?
It is used to calibrate DC surge arrester monitors in power systems, such as Model JCQ(WZ)-16, mainly for the calibration of 1000kV-class arrester monitors, verifying leakage current readings and action counter operation.
Q2: What output current ranges does it support?
It supports output current ranges of 0-5mA, 10mA and 30mA with customizable options, a resolution of 0.001mA and current accuracy of 0.5% ± 3 digits.
Q3: Can the calibrator be used for on-site testing?
Yes, it is powered by a built-in 10.4Ah 12V battery and features strong anti-interference heterodyne output in online state, making it convenient for field calibration without external power supply.
Q4: What is the inrush capability of this calibrator?
It provides instantaneous inrush current of 50A to 100A and inrush voltage of DC 1500V/1800V to verify the action counter and trip characteristics of arrester monitors.
Q5: Is the output waveform standard?
Yes, the calibrator outputs a standard 55Hz sine wave with stable measured values, ensuring realistic and repeatable calibration of surge arrester monitors.