Can the Wintact WT8812 be run continuously while plugged into the charger?
No, the Wintact WT8812 should not be used for gas measurement while it is plugged in and charging. According to the manual's Functions section…
Manuals+ Q&A
wintact WT8812 Compound Gas Monitor Instruction Manual — questions & answers
Read product questions and troubleshooting answers linked to wintact WT8812 Compound Gas Monitor Instruction Manual.