The two parameters of inbound and out water can be measured by connecting to a piped or potable water machine, and the TDS value of the two liquids can also be changed, either walled or embedded, for ease of installation and operation, as well as being an auxiliary instrument for a large number of drinking water planters.

Key technical indicators:
:0~19毫克/里(下午)
准确度：±2% F. S
2:1-3/Re( X)