cable & circuit testers
industrial test systems 480602 test strips free chlorine 0 25ppm pk 50
test strips testing parameter sensafe free chlorine range 0 25ppm package quantity 50 br b features b ul li item test strips li li range 0.0 0.05 0.1 0.2 0.4 0.8 1.0 1.2 1.6 2.0 3.0 4.0 5.0 6 7 8 9 11 15 20 25 ppm li li number of tests 50 li li testing parameter sensafe free chlorine li ul