CO Sensor SCO-B（PS-CO-5000)

We're testing a new sensor that detects CO levels. It seems quite accurate, with the manual stating a 10-year lifespan (we hope so). Based on initial tests, it responds quickly and uses fuel cell technology.

HA Interface

News

Title	Date
SCO-B First Batch Shipped, Documentation Updated.	Dec 16, 2025 12:53 PM
SCO-B progress: First batch of cases completed. Long debugging process, but the results are decent.	Dec 15, 2025 1:31 PM
🚆 SCREEK CO Sensor SCO-B is now open for pre-orders, with shipping expected within a week. Final casing optimizations are underway.	Dec 13, 2025 1:20 PM
💟 CO Sensor SCO-B: Insights from Testing	Dec 5, 2025 2:43 PM
💟 SCREEK CO Sensor, SCO-B, coming soon.	Dec 5, 2025 2:40 PM

Buy It

https://shop.screek.io/products/ths45

How To

To connect to Home Automation, simply power on the device, connect to its hotspot CO-SENSOR-SCO-B, then join the network (if the prompt does not appear, navigate to http://192.168.4.1). The device will then be automatically detected by Home Automation.

Specifications

Item	Specification
Sensor Model	PS-CO-5000
Detection Principle	Fuel Cell
Detectable Gas	CO
Detection Range	0–5000 ppm
Overload	10000 ppm
Response Time (T90)	< 30 s
Accuracy	±3% FS (25 ± 3 °C)
Detection Limit	5 ppm
Repeatability	3%
Linearity	Linearity
Operating Temperature Range	−40 °C ~ 70 °C
Operating Pressure Range	1 atm ±10%
Operating Humidity Range	10%–90% RH (non-condensing)
Lifetime	10 years
Weight	4 g
Poisoned by Silicone	None
Sensor Size	60.1 x 34.6 x 21.3mm
Power supply method	Type-C USB Cable

Documents

FC-CO-5000 Long-life carbon monoxide sensor.pdf1.1 MiB

PS-CO-5000 CO Module.pdf463.3 KiB

FC-CO-5000 Tech Date B en-US.pdf2.8 MiB

UL-US-2557598-0.pdf375.6 KiB