tds ( total dissolved solids ) meters.
yk series
| @ |
yk-22ct |
conductivity/tds meter, atc, rs-232, hold, record , yk series |
intelligent
| @ |
yk-2001ph |
intelligent ph meter, rs232, intelligent |
| @ |
yk-200pct |
conductivity/tds probe for yk-2001ph intelligent ph meter |