Catalog: Worms Way Catalog | |
| digital waterproof ph and tds test meters these waterproof testers use ... and even float hold the tip of the unit in the liquid push the on/off button and ... 2 features temperature compensation the tds tester measures from 0-1990 ppm with a ... require three 1.4-volt batteries not included ptw500 ptw510 ptw550 ptw560 ttw500 ... replacement electrode 59.95 waterproof tds tester 89.95 replacement electrode 56 ... osmosis water treatment system the in-line tds meter will give you accurate ... solids on the tap water coming in or the purified water going out of your ... 2 between 0 and 9990 ppm the in-line tds meter comes factory calibrated and ... with a mini-screwdriver if necessary in and out probes are housed in john guest ... 1/4 tfittings on 24.5 cables for easy installation and auto-off function will help to ... | |
