noun
A scientific instrument used to measure the sugar concentration in a solution, typically by optical rotation.
検糖計を使って果汁の糖度を測定した。
We measured the sugar content of the fruit juice using a saccharimeter.
Compound of 検 (inspect, examine), 糖 (sugar), and 計 (meter, gauge). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning.