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Office & Industrial

Extech MA640-K Phase Rotation/Clamp Meter Test Kit

Office & Industrial3.6· 957 Amazon ratings

Bias-adjusted across 957 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Office & Industrial.

3.6%
Percentile · Global
2.5%
Percentile · Cohort
Office & Industrial
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Extech MA640-K Phase Rotation/Clamp Meter Test Kit

How the score was built

Amazon ratings
957

used for the Bayesian percentile

Raw star average
3.6 / 5

unadjusted Amazon mean

Bayesian avg
3.67

raw rating shrunk to the category prior

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Same category · Office & Industrial

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