NRC-NIST comparison of power meter calibrations at 60 Hz and ranges up to 600 V, 100 A
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Bibliographic record
Abstract
A number of international comparisons of power meter calibrations at power frequencies were conducted in the past, all of them being done at 120 V and 5 A. This comparison of power meter calibrations between the National Research Council of Canada and the National Institute of Standards and Technology, USA, was done to include voltage ranges up to 600 V, current ranges up to 100 A, and at power factors of 1.0, 0.5 lead and lag, and 0.0 lead and lag. The comparison was implemented by a transfer standard consisting of a modified commercial time-division multiplier type wattmeter. The results indicate that there are no significant differences in the overall accuracy of AC power measurements in each laboratory up to 600 V, 100 A, at all power factors.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it