The AEMC Instruments Model 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential, and current transformers. It’s used to measure the turns ratio of these transformers, which is a crucial parameter for assessing their condition and performance.
The 8510 uses an advanced, low-voltage, step-down measurement technique to measure the turns ratio of transformers. This technique is safer than traditional methods, and it allows the 8510 to test a wider range of transformer types and sizes.
Key Features:
Benefits:
Specifications:
Applications:
Resources:
Key Features:
Here’s a breakdown of its key features and functions:
- Accurate Turns Ratio Measurement: The Model 8510 precisely measures the ratio of primary to secondary turns in transformers. This is done by applying a test voltage to the primary winding and measuring the voltage induced in the secondary winding.
- Simultaneous Display of Polarity and Excitation Current: Along with the turns ratio, the device also displays the polarity of the transformer windings and the excitation current. This provides a more comprehensive understanding of the transformer’s behavior.
- Automatic Operation: The Model 8510 is fully automatic, eliminating the need for manual adjustments and calculations. This simplifies the testing process and reduces the risk of errors.
- ANSI/IEEE Compliant: The device uses an ANSI/IEEE compliant test method, ensuring accurate and reliable results.
- Portable and Rugged: Designed for field use, the Model 8510 is portable and built to withstand harsh environments.
- Data Storage and Analysis: The device can store test results for later analysis and reporting. This is helpful for tracking transformer performance over time and identifying potential issues.
Benefits:
Benefits of using the AEMC Model 8510:
- Improved Safety: The device uses a low-voltage measurement technique, which enhances operator safety.
- Reduced Testing Time: The automatic operation and fast measurement speed minimize testing time.
- Increased Accuracy: The use of an ANSI/IEEE compliant test method and automatic calibration ensures accurate results.
- Enhanced Reliability: The rugged design and data storage capabilities contribute to the reliability of the testing process.
Specifications:
| VT/PT Ratio Range | Auto-Ranging: 0.8000:1 to 8000.0:1 |
| VT/PT Accuracy | 0.8000 to 9.9999: ±0.2% of Reading 10.000 to 999.99: ±0.1% of Reading 1000.0 to 4999.9: ±0.2% of Reading 5000.0 to 8000.0: ±0.25% of Reading |
| CT Ratio Range | Auto-Ranging: 0.8000 to 1000.0 |
| CT Accuracy | ±0.5% of Reading |
| Excitation Signal | VT/PT Mode: 32Vrms max CT Mode: Auto Level 0 to 1A, 0.1 to 4.5Vrms |
| Excitation Current Display | Range: 0 to 1000mA Accuracy: ±(2% of Reading +2mA) |
| Excitation Frequency | 70Hz |
| Display | LCD 16 character, 2 line, large format, LED backlight, day/night visible |
| Languages Supported | English, Spanish, French, Italian, German, Portuguese |
| Communication | Optically isolated USB 2.0 |
| Data Storage | Up to 10,000 complete measurements |
| Power Source | Two rechargeable 12V NiMH batteries (included) |
| Battery Life | Up to 10 hours of continuous operation |
| Low Battery Indication | LED and LCD |
| External Charger | 90 to 240V, 50/60Hz (smart charger) |
| Charging Time | <4 hours |
| Measurement Method | In accordance with ANSI/IEEE Std. C57.12.90-2006 |
| Software | DataView analysis software included |
| Dimensions | 10.70 x 9.76 x 5.12” (272 x 248 x 130mm) |
| Weight | 8.1 lbs (3.7kg) |
| Operation Temperature | 14° to 122°F (-10° to 50°C) |
| Storage Temperature | -4° to 140°F (-20° to 60°C) |
| Index of Protection | IP40 (lid open), IP53 (lid closed) |
| Double Insulated | Yes |
| CE Approved | Yes |
| Safety Compliance | IEC 61010-1 (1995-A2) 50V CAT IV Pollution 2 |
Applications:
The AEMC Model 8510 is used in various applications, including:
- Testing power transformers in substations and power plants
- Evaluating potential transformers (PTs) and current transformers (CTs) in metering and protection systems
- Commissioning new transformers
- Performing routine maintenance on existing transformers
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