Lightning Arrester Monitor Calibrator | XHJS401A
Lightning arrester monitors are widely used in substations, where their operational status directly impacts power system safety. These monitors track lightning arrester actions and leakage current. However, poor sealing can allow moisture ingress, leading to component rust and inaccurate readings. Annual inspections are mandated by regulations, making this calibrator an essential tool for maintenance teams to verify monitor action counts and ammeter accuracy quickly and reliably.
Applications & Target Audience: Engineered for power system metering and calibration laboratories, third-party electrical testing and certification institutions, lightning protection device testing service providers, preventive maintenance teams of substations and power plants, and electrical test crews in railway, petrochemical and mining industries that perform annual verification of lightning arrester monitors.
Key Specifications
| Parameter |
Specification |
| Power Supply |
Built-in battery 4Ah 12V |
| Output Frequency |
55Hz |
| Output Current |
5mA / 10mA (customizable) |
| Resolution |
0.001mA |
| Current Accuracy |
0.5% ± 3 words |
| Inrush Current |
50A ~ 100A (instant) |
| Impact Voltage |
DC 1000V |
| Action Count |
1 ~ 2s / times |
| Action Number |
Cyclical measurement |
Key Features
- Monitor count verification both on-power and off-power
- Ammeter accuracy verification both on-power and off-power
- True RMS measurement with excellent stability
- Strong anti-interference capability during online operation
- Standard sine wave output for consistent verification results
- Built-in battery for convenient field use
This calibrator provides electrical test engineers with a reliable, portable solution for the mandatory annual verification of lightning arrester monitors, helping prevent inaccurate leakage current readings that could mask insulation degradation of arresters.
FAQ
Q1: Who is this lightning arrester monitor calibrator designed for?
It is designed for power system metering and calibration laboratories, third-party electrical testing and certification institutions, lightning protection device testing service providers, preventive maintenance teams of substations and power plants, and electrical test crews in railway, petrochemical and mining industries.
Q2: Why is annual calibration of lightning arrester monitors necessary?
Lightning arrester monitors track arrester actions and leakage current, and their readings directly reflect arrester insulation conditions. Poor sealing can cause moisture ingress, component rust and inaccurate readings. Annual inspections are mandated by regulations, and this calibrator verifies that monitors display correct values.
Q3: Can it verify monitors both online and offline?
Yes. It supports monitor count verification and ammeter accuracy verification in both on-power and off-power states, with strong anti-interference capability during online operation for safe in-service testing.
Q4: What output parameters does it provide?
It provides standard sine wave output at 55Hz with 5mA / 10mA output current (customizable), 0.001mA resolution, 0.5% ± 3 words current accuracy, 50A ~ 100A instant inrush current and DC 1000V impact voltage for action count verification.
Q5: What power supply, safety and delivery terms apply?
The calibrator is powered by a built-in 4Ah 12V battery for convenient field use. It is delivered in wooden packaging within 5-8 working days, with T/T payment and 1 unit MOQ.
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