Checker Colorimeters

Item #: HNHI767

Marine Nitrite low range Checker HC: Range 0 to 999 ppb

Item #: HNHI755

Marine Alkalinity (CaCO3) Checker® HC

Item #: HNHI759

Maple Syrup color grading Checker HC® colorimeter

Item #: HNHI711

Total chlorine Checker HC® colorimeter: Range 0.00 to 3.50 ppm (mg/L)

Item #: HNHI713

Phosphate low range Checker HC® colorimeter: Range 0.00 to 2.50 ppm (mg/L)

Item #: HNHI7134

Pool Line Phosphate low range Checker HC® colorimeter: Range 0.00 to 2.50 ppm (mg/L)

Item #: HNHI761

Total Chlorine Checker Ultra Low Range (0 to 500 ppb)

Item #: HNHI762

Free Chlorine Ultra Low Range Checker® HC

Item #: HNHI715

Ammonia Medium Range, Checker (0.00 to 9.99 ppm)

Item #: HNHI716

Bromine Checker (0.0 to 9.99 ppm)

Item #: HNHI717

Phosphate HR Checker HC®, 0.0 to 30.0 ppm (mg/L)

Item #: HNHI718

Iodine Checker HC® colorimeter: Range 00.0 to 12.5 ppm (mg/L)

Item #: HNHI719

Magnesium Hardness Checker

Item #: HNHI770

Silica HR Checker HC®, 0 to 200 ppm

Item #: HNHI771

Chlorine Checker, Ultra High Range (0-500 ppm)

Item #: HNHI720

Calcium Hardness Checker

Item #: HNHI721

Iron Checker HC® colorimeter: Range 0.00 to 5.00 ppm (mg/L)

Item #: HNHI772

Marine Alkalinity (dKH) Checker® HC

Item #: HNHI7214

Pool Line Iron Checker HC® colorimeter: Range 0.00 to 5.00 ppm (mg/L)

Item #: HNHI723

Chromium VI High Range Checker HC®, 0 to 999 ppb

Item #: HNHI774

Marine phosphate - ultra low range Checker HC® colorimeter: Range 0.00 to 0.60 ppm

Item #: HNHI775

Alkalinity Checker for drinking water

Item #: HNHI726

Nickel HR Checker HC®, 0.00 to 7.00 g/L

Item #: HNHI727

Color of Water Checker HC®, 0 to 500 PCU

Item #: HNHI7754

Pool Line Alkalinity Checker for drinking water

Item #: HNHI729

Fluoride LR Checker HC®, 0.00 to 2.00 ppm

Item #: HNHI779

Pool Line pH Handheld Colorimeter®

Item #: HNHI705

Silica Checker

Item #: HNHI700

Ammonia Low Range Checker® HC

Item #: HNHI780

Marine pH Checker

Item #: HNHI781

Marine nitrate low range Checker

Item #: HNHI764

Nitrite ultra low range Checker HC®: Range 0 to 200 ppb

Item #: HNHI706

Phosphorous HR Checker HC®

Item #: HNHI782

Marine Nitrate High Range

Item #: HNHI783

Marine Magnesium Checker

Item #: HNHI784

Marine Ammonia Checker

Item #: HNHI733

Ammonia High Range Checker (0.0-99.9 ppm)

Item #: HNHI735

Total Hardness Low Range Checker

Item #: HNHI736

Phosphorus ultra low range Checker HC® colorimeter: Range 0 to 200 ppb

Item #: HNHI707

Nitrite LR Checker (0-999 ppb)

Item #: HNHI739

Fluoride HR Checker HC®, 0.0 to 20.0 ppm

Item #: HNHI746

Iron Low Range Checker HC® colorimeter: Range 0 to 999 ppb (ug/l)

Item #: HNHI701

Free Chlorine Checker® HC

Item #: HNHI747

Copper Low Range Checker

Item #: HNHI7014

Pool Line Free Chlorine Checker® HC

Item #: HNHI749

Chromium Low Range Checker (0-300 ppb)

Item #: HNHI702

Copper High Range Checker

Item #: HNHI708

Nitrite HR Checker (0-150 ppm)

Item #: HNHI753

Chloride Checker (0.0 to 20.0 ppm)

Item #: HNHI7024

Pool Line Copper High Range Checker

Item #: HNHI709

Manganese High Range Checker