Log a reading

Change my PIN Help

Demo site: use username sam and PIN 1111. Data resets every night.

Can't reach the server right now. You can still log: your reading is saved on this phone and sent automatically when the connection is back.

Which unit are you checking?

Tip: scanning the QR label on the unit skips this step.

📷 Take a photo of the display Saved with your reading as proof. Then type the numbers below.

Photo of the display

Current temperature (°C)

Min since reset

Max since reset

Copy the MIN and MAX from the display (required), then press its reset button after saving.

CO₂ (%)

⚠ Out of range

What did you do? (pick all that apply)

Details

Add a note (optional)

Username PIN or password

Remember my username on this phone

Change my PIN

Username Current PIN or password New PIN (4–6 digits) New PIN again

Forgot your PIN? Ask an admin to set a new one.

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Saved

Log another unit Back to dashboard