Examples from the Web for pyrometer
A somewhat similar instrument is the Gauntlett pyrometer, which is largely used in the north of England.
A pyrometer, or heat indicator, is attached externally, so that the attendant can regulate the heat with great facility.Cooley's Practical Receipts, Volume II|Arnold Cooley
The position that the pyrometer should occupy is subordinate to the construction of the furnace.
With the pyrometer at three hundred and fifty, it is hardly prudent to pass to thirty.The King of Schnorrers|Israel Zangwill
He was never tired regulating the tubes, trying the taps, and testing the heat of the gas by the pyrometer.All Around the Moon|Jules Verne