TS85-B 3 in 1 CO2 Transmitter CO2 Temperature Humidity Transmitter RS485 Modbus-RTU Air Quality Sensor
Quick answer
Is $35.09 a good price for TS85-B 3 in 1 CO2 Transmitter CO2 Temperature Humidity Transmitter…?
Too early to tell: DipScout has tracked this price for 6 days, and comparing it with a typical price takes at least 7 days. Tracked since Oct 22, 2026, it ranged from $34.99 to $35.09.
$35.09
Today it costs $35.09 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $34.99 to $35.09. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 6 days; confirming a drop takes at least 7 days. The store advertises "was $48.74", 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$35.09highest ever seen
Lowest$34.99Oct 22 to Oct 28
Highest$35.09since Oct 28
Tracked since Oct 22 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 28, 12:11 UTC | $35.09 | +0.3% |
| Oct 22, 20:38 UTC | $34.99 | start |
| Store | Wei Ru Tools And Instruments Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 2 |
| First seen | 10/22/2026 |
| Last reading | 10/28/2026, 8:17:20 PM UTC |
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.
| Wei Ru Tools And Instruments Store · Ships from US | $35.09 · 21 sold |
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