cable & circuit testers
industrial test systems 481108 test strips total hardness 0 425ppm pk30
test strips testing parameter total hardness range 0 40 80 120 180 250 425 1000 ppm number of tests 30 package quantity 30 br b features b ul li item test strips li li range 0 40 80 120 180 250 425 1000 ppm li li number of tests 30 li li testing parameter total hardness li ul