Metrohm F0357A High Voltage Potential Kit
Safe work on high voltage equipment begins with reliable voltage detection. The Metrohm F0357A High Voltage Potential Kit provides a practical solution for confirming the presence of AC or DC voltage before maintenance or installation tasks begin. Engineers can quickly verify whether a system is energised, helping reduce risk during electrical work.
Compact construction makes the unit easy to handle in confined areas such as switchgear panels and busbar compartments. In addition, the Metrohm F0357A provides clear visual indication using flashing neon lights. As voltage increases, the flashing rate becomes faster until a steady state appears, clearly indicating higher voltage levels.
Reliable High Voltage Detection
Accurate voltage indication is essential when working around high voltage installations. The Metrohm F0357A uses a proven resistor chain measurement method that allows reliable detection from as low as 200V up to 15kV AC or DC. This design ensures consistent results even when testing inside complex electrical environments.
Furthermore, the device is resistant to electrical interference commonly found within switchgear assemblies. This ensures the tester remains dependable when used around high voltage equipment. Safety markings and a protective hand guard help guide correct operation during testing.
Designed for Practical Field Use
Field engineers require equipment that is simple and quick to deploy. The Metrohm F0357A High Voltage Potential Kit includes a dedicated proving unit so the indicator can be checked before and after testing. This ensures the tester operates correctly each time it is used.
Key Features
- Detects the presence of AC and DC voltage in high voltage systems
- Voltage indication through flashing neon light display
- Flashing rate increases as voltage level rises
- Capable of detecting voltage levels up to 15kV
- Detects voltages starting from approximately 200V
- Compact construction suitable for confined switchgear spaces
- High immunity to electrical interference fields
- Resistor chain measurement system provides reliable indication
- Clearly marked safety limits support correct operation
- Hand guard with viewing window improves operator safety
- Supplied proving unit allows verification before testing
- Suitable for checking both AC and DC electrical systems
Technical Specifications
| Manufacturer | Metrohm |
| Product name | Metrohm F0357A High Voltage Potential Kit |
| Manufacturer part code | F0357A |
| Voltage detection range | 0.2kV to 15kV AC and DC |
| Operating frequency | 50Hz to 60Hz for AC detection |
| Circuit current | 0.4mA nominal at 15kV and 0.293mA nominal at 11kV |
| Dielectric test rating | 20kV for one minute |
| Indicator length | 485 mm |
| Indicator diameter | 32 mm |
| Indicator weight | 0.6 kg |
| Proving unit output | 300V DC nominal output |
| Proving unit battery type | Two C type batteries IEC R14 or LR14 |
| Proving unit battery threshold | Low battery indication at 2V DC nominal |
| Proving unit length | 255 mm |
| Proving unit diameter | 37 mm |
| Proving unit weight | 0.4 kg |
Comparison Table
| Component | Voltage capability | Power source | Weight |
| High voltage indicator | 0.2kV to 15kV AC DC detection | Passive resistor chain system | 0.6 kg |
| Proving unit | 300V DC output for verification | Two C type batteries | 0.4 kg |
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