twinno INSTRUMENTS
provide for you the most suitable pH/ORP sensors
based on
Innovation on the sensitive film;
Improvement on reference system performance;
Mature glass craftwork and rigorous sealing procedure;
Abundant electrochemical knowledge and application experience.
The pH/ORP sensors we manufactured are beyond your expectations.

RM405手持拉曼分析儀 — 鑽石鑑定 應用 拉曼光譜是分子晶體的指紋：
即便是相同成分, 不同的晶體結構必定產生不同的拉曼光譜。
拉曼光譜可以用來鑑別鑽石或其他寶石。
鑽石的結構在405nm波長的鐳射照射下， 會產生1332cm^-1的拉曼位移特徵峰： 這是鑽石成分顯示的指紋，是鑽石最準確的識別依據。