CT Ratio/Burden Tester (1047)
$7,299.99
TESCO’s Catalog No. 1047 CT Ratio/Burden Tester is a lightweight, portable and highly accurate in-service test set to assist in finding lost revenue by testing the accuracy of your meter circuits. The CT Ratio/Burden Tester can help determine if there are installations errors, loose connections, incorrect ratios, resistance buildup, open CT’s, or manufacturers defects. The CT Ratio/Burden Tester measures and displays the primary and secondary current of the CT under test and the ratio of the currents. All test data is stored in the internal memory and easily uploaded to a PC.
Description
This compact, rugged unit displays real-time values for both primary and secondary CT current, calculates the ratio, and stores results for later download. The built-in auto burden scan and Demag functions provide deeper insight into installation health, making this a must-have for accurate metering and diagnostics.
Key Features
- Lightweight, handheld, and easy to operate
- Works with any CT (up to 20A secondary current)
- Measures and displays CT primary/secondary current and ratio
- Auto burden scan to assess installation quality
- Built-in Demag feature
- Pass/Fail indication for fast field evaluation
- Internal memory stores up to 500 test results
- Rechargeable battery: up to 10 hours of operation
- PC app included for test result upload and review
Included Accessories
- Current Cable with Test Plug (Cat. J-1044-50T)
- Soft Carrying Case (Cat. 1046)
- Battery Charger
Specifications
| Parameter | Value |
|---|---|
| Current Range | CT Secondary input, 0.1–20A; 20A full-scale max reading, ±0.25% (±2 LSD) |
| Burden Values | 0.1, 0.2, 0.5, 1.0, 2.0, 4.0, 8.0 Ohms |
| Batteries | Internal, rechargeable; operates for up to 10 hours on a full charge |
| Operating Environment | 0–100°F |
| Dimensions | 7.5″ × 3.75″ × 4.25″ |
| Weight | 2.5 lbs. |
Product Documents
Product Videos
Perform a CT Burden Test with TESCO's Cat. 1047
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Disclaimer
TESCO Metering reserves the right to modify product designs, specifications, features, and documentation at any time as part of our continuous improvement process. All information is provided “as is” and may change without prior notice. While TESCO® strives for accuracy, completeness, and technical reliability, customers should verify the latest product details before making purchasing or engineering decisions. For confirmation of current specifications or application suitability, please contact TESCO® directly.