comparing watchとは 意味・読み方・使い方

To watch the temperatures of two portions to be measured by comparing, at a place which a measuring person can easily see, to perform measurement even in the case of low power and low luminance without being affected by the length of wiring, and to dispense with battery exchange.例文帳に追加

測定者が見やすい場所で２つの被測定部の温度を比較して見ることができ、配線の長さの影響を受けず、低電力、低照度であっても測定が可能であり、電池の交換を不要にする。 - 特許庁