目錄:上海鉑勒機電設備有限公司>>水質分析儀器>>其他水質分析儀及配件>> ORP110-GS
For precise electrode standardization, one or two buffers are required to check that the electrode is operating properly.
No calibration required. Standardization used with a pH 7 and pH 4 buffer.
Connects to meters with a BNC connection.
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