Electronics › Smartwatches & smart devices
High Precision Gauss Meter Hall Sensor Magnetic Flux Density Detector RS485 Modbus RTU Magnetic Pole Tester Magnetometer Module
Quick answer
Is $18.21 a good price for High Precision Gauss Meter Hall Sensor Magnetic Flux Density…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Nov 9, 2026, it ranged from $18.21 to $18.22.
$18.21
Today it costs $18.21 on AliExpress. Since Nov 9, 2026, when we started tracking it, it ranged from $18.21 to $18.22. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 7 days. The store advertises "was $22.08", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$18.21lowest ever seen
Lowest$18.21since Nov 10
Highest$18.22Nov 9 to Nov 10
Tracked since Nov 9 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 10, 21:04 UTC | $18.21 | −0.1% |
| Nov 9, 01:48 UTC | $18.22 | start |
| Store | ElecDemo Official Store |
|---|---|
| Positive feedback (AliExpress) | 100% |
| AliExpress category | Consumer Electronics › Smart Electronics |
| Recorded readings | 2 |
| First seen | |
| Last reading |
Also sold by 1 other store
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| ElecDemo Official Store | $18.21 · 20 sold |
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