Step 4 of about 6
Give the numbers for one site. You'll say how many sites later.
Your answers so far
Electricity: question 1 of 4
The terminals tell you: S0 or +/− is pulse, A/B is RS-485, M-Bus is M-Bus.
Natural gas: question 1 of 4
The site's hazardous-area classification drawing says, and a meter inside a zone is usually marked Ex. No EpiSensor product is Ex rated, so nothing of ours goes inside one.
Devices appear here as you answer.