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Counted, not guessed: Every number is of independent stores we crawled that day — not sales, not ad spend, not a forecast. A product we could not measure is left out rather than estimated at.

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In-Circuit Electromagnetic Inductance Tester — Product Intelligence
This product is the #5 best-seller at copenrain (~2666 products), has stayed in the top 10 for 1 day, and shows up on ~54 other stores under the same title. Winner score 53/100 — moderate.
- Winner score
- 53/100
- Price
- $16.99
- Best-seller rank
- #5
- Stores selling this
- ~54
- Advertising
- Seen before
Moderate
Price last seen on the store's page
of the ~2,666 products this store sells
Tracked stores listing this same title — not a live crawl of every shop
Longest ad run we saw: about 4 months
How this product scores 53 out of 100
Built from three things we can see. It estimates how strongly a product is performing — it is never sales, revenue or ad spend.
Ranked #5 of the ~2666 products this store sells. A high rank in a big store counts for more than one in a small store.
How many days it has stayed in this store’s top 10 over the last 30 days. A rank that holds is harder to fake than one good day.
No live ad match is backing this product up right now. About 54 tracked stores already list the same title, which is too crowded to count as an edge — it adds no points here.
Google ads we found
Public Google ad records for the advertiser behind this store. They show that ads ran and for how long — never how much was spent.
Where else this product is sold
This product on Google Shopping
The same product on other stores
The store selling this product
How busy the store looks, and how many products it sells.
More products from this store
Listing details
Reference data taken from the store's own public product listing.
CHARACTERISTICS ELECTROMAGNETIC INDUCTION TESTING - Enables non-contact in-circuit diagnostics without desoldering components. This innovative method significantly speeds up the troubleshooting process and preserves the integrity of the circuit board, saving valuable time and effort. QUICK FAULT FINDING - Quickly identify faulty inductors with a clear visual indicator. This immediate feedback allows technicians to precisely pinpoint the source of the problem, streamlining repair workflow and mi…

























