4CH -40~300 Celsius PT100 RTD Temperature Sensor Collector Module RS485 Analog Read Modbus RTU PLC Expanding Board
Quick answer
Is $20.75 a good price for 4CH -40~300 Celsius PT100 RTD Temperature Sensor Collector Module…?
It is the usual price, not a deal: $20.75 is in line with the typical price of $20.75 that DipScout measured over the last 5 days. Tracked since Oct 22, 2026, the price hasn't changed.
$20.75
Today it costs $20.75 on AliExpress. Since Oct 22, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 5 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$20.75on Oct 23
The price hasn't changed once since Oct 22, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | Shop1103724922 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/22/2026 |
| Last reading | 10/23/2026, 4:09:12 PM UTC |