If you have a dial gas meter, the steps are the same as those with a dial electricity meter, but you don't need to underline any numbers where the pointer has landed directly on it.

Source: https://www.mirror.co.uk/money/millions-people-energy-bill-warned-31020524

“It’s where you go up to the gas meter in the house and you, you sniff natural gas and compare it to a machine.”

Source: https://saskatoon.ctvnews.ca/former-sask-energy-worker-believes-cancer-is-linked-to-gas-exposure-on-the-job-1.6257918

Maxine also admits that she 'doesn't even look' at her gas meter after being told about the top-up energy cards Nicky and Danny use.

Source: https://www.dailymail.co.uk/femail/article-12654017/Mother-five-sleeps-sofa-children-beds-breaks-tears-millionaire-gives-10-000-help-start-business-Rich-House-Poor-House.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

The fire appeared to originate at the corner of the house, at or near its gas meter.

Source: https://www.kingstonist.com/news/alleged-arsonist-in-portsmouth-avenue-fire-arrested/

“They observed Mr Sloey bent over the gas meter outside his door.

Source: https://www.ayradvertiser.com/news/23393364.man-found-lurking-maybole-garden-gets-chance-keep-nose-clean/?ref=rss