The AEMC Instruments 6470-B is a versatile, multi-function ground resistance tester used to evaluate grounding systems and soil resistivity. It’s a popular tool for electricians, contractors, and engineers who need to ensure the safety and reliability of electrical installations.
Here’s a breakdown of its key features and functions:
What it does:
Key Features:
Benefits:
Applications:
Troubleshooting:
Resources:
What it does:
- Measures Ground Resistance: Determines the resistance of grounding electrodes and systems using various methods.
- Measures Soil Resistivity: Calculates the resistivity of soil, which is crucial for designing effective grounding systems.
- Performs Bonding Tests: Checks the continuity and resistance of bonding connections in grounding systems.
- Earth Coupling Measurement: Estimates the influence of two earth resistance systems that are not connected.
Key Features:
- Multiple Measurement Methods: Offers 2-pole, 3-pole (Fall-of-Potential), and 4-pole testing methods for comprehensive ground resistance measurements.
- Automatic Frequency Selection: Automatically selects the optimal test frequency to minimize the impact of noise and interference.
- Wide Measurement Range: Covers a broad range of resistance values, from very low to very high.
- High Accuracy: Provides precise and reliable measurements.
- Data Storage: Stores test results for later analysis and reporting.
- Computer Interface: Allows for data transfer and remote control via USB.
- Rugged and Portable: Designed for field use with a durable, weatherproof case.
Benefits:
- Versatile: Can perform a variety of grounding tests with one instrument.
- Easy to Use: Simple interface and automated features make it easy to operate.
- Accurate: Provides reliable measurements for assessing grounding system performance.
- Efficient: Saves time and effort with automated testing and data storage.
- Safe: Helps ensure the safety of electrical systems by identifying potential grounding issues.
Applications:
The AEMC 6470-B is used in various applications, including:
- Testing grounding systems in power substations, industrial plants, and commercial buildings.
- Designing and installing new grounding systems.
- Evaluating the condition of existing grounding systems.
- Performing soil resistivity surveys for grounding system design.
- Troubleshooting grounding problems.
Troubleshooting:
Resources:
