photoglow tube

A phototube in which an electric current flows when a certain illumination is reached; used as a relay

Japanese Meaning

一定の光量に達すると電流が流れる光電管。リレーとして使用される。

The photoglow tube in the sensor array began conducting only after the illumination exceeded the preset threshold.

センサーアレイ内の光電管は、照度が所定の閾値を超えたときにのみ導通し始めた。

Sense（1）

A phototube in which an electric current flows when a certain illumination is reached; used as a relay

photoglow tubes

（ plural ）