Review on 🔍 Coreel Portable 4-Gas Detector: Sound Light Vibration Multi-Gas Monitor Meter with Rechargeable LCD Screen Backlight - Ready to Use… by Brian Manfre

Name: 🔍 Coreel Portable 4-Gas Detector: Sound Light Vibration Multi-Gas Monitor Meter with Rechargeable LCD Screen Backlight - Ready to Use…
Item: 🔍 Coreel Portable 4-Gas Detector: Sound Light Vibration Multi-Gas Monitor Meter with Rechargeable LCD Screen Backlight - Ready to Use…
Rating: 1

September 28, 2022

O2 sensor not calibrated

20.3% O2 saturation returned from box, outdoors with a breeze. Fresh air 20.8 - 20.9 depending on humidity. The photo is shown next to an oxygen-only device calibrated in the USA. DO NOT BUY.

Pros

Pleasing

Cons

Almost never

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