thermograph

[ thur-muh-graf, -grahf ]

/ ˈθɜr məˌgræf, -ˌgrɑf /

a thermometer that records the temperatures it measures.

Origin of thermograph

First recorded in 1830–40; thermo- + -graph

McLean attended to the thermograph which Bage and I had installed in the autumn.

The Home of the Blizzard |Douglas Mawson
Still another intricate instrument is in use, the thermograph, that utilizes the heat rays from the sun, instead of the light.

Scientific American Supplement, No. 288 |Various
During my absence Robert occupied my tent, where the barograph and the thermograph ticked on my boxes.

Trans-Himalaya, Vol. 1 (of 2) |Sven Hedin
The watchmaker, Mogstad, would have a thermograph to examine and clean, or a new spring to put into a watch.

Farthest North |Fridtjof Nansen

Barograph records are fully as interesting as those made by the thermograph.

Practical Exercises in Elementary Meteorology |Robert DeCourcy Ward

thermograph

/ (ˈθɜːməʊˌɡrɑːf, -ˌɡræf) /

a type of thermometer that produces a continuous record of a fluctuating temperature

thermograph

[ thûr′mə-grăf′ ]

A thermometer that records the temperature it indicates.

The apparatus used in diagnostic thermography.