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The lowest price for CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night right now is $190.92 at Amazon.com.au, compared across 4 retailers.
The all-time low was $184.72 on 22 Oct 2026 — today's price is 3% above the lowest ever. This is at or near its all-time low — a good time to buy.
Prices last updated 6 Nov 2026.
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night
Last updated at 06/11/2026 21:37:17
CO2 Controller Carbon Dioxide Monitor Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detector
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Digital Co2 Controller & Monitor Carbon Dioxide With Relay Function
Delivery $10.89
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detecto
Free delivery between 17–20 Nov
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detecto
Delivery between 13–16 Nov $29
| Measurement Range | 0~5000 ppm |
| Durability | Avoids damage by power overload |
| Top Use Cases | Environmental monitoring |
| Measurement Type | CO2 measurement |
| Units of Measurement | ppm |
CO2 Controller Carbon Dioxide Monitor Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detector
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Digital Co2 Controller & Monitor Carbon Dioxide With Relay Function
Delivery $10.89
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detecto
Free delivery between 17–20 Nov
CO2 Controller Carbon Dioxide Controller Air Quality Monitor CO2 Meter with Day and Night Control Relay Function, NDIR Sensor Probe Cable, CO2 Detecto
Delivery between 13–16 Nov $29
| Measurement Range | 0~5000 ppm |
| Durability | Avoids damage by power overload |
| Top Use Cases | Environmental monitoring |
| Measurement Type | CO2 measurement |
| Units of Measurement | ppm |
