Total Hardness Low Range Checker The HI-735 Total Hardness Low Range handheld checker is designed to determine total hardness (as CaCO3) in drinking and process water, heating and cooling systems, swimming pools and spas. Also suitable to be used in agriculture, food and beverage industries. HI-735 features a single-button operation system and is easy to use. The large LCD is easy to read and the auto shut-off feature assures... more info

Ammonia High Range Checker (0.0-99.9 ppm) The Hanna Ammonia High-Range (0 to 99.9 ppm) Checker®  bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light... more info

Fluoride LR Checker HC®, 0.00 to 2.00 ppm With the low-range fluoride colorimeter you achieve more precise technology than your standard chemical test kit. You won’t have to struggle to determine colors visually, our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct digital fluoride result. The HI-729 Checker®  HC (Handheld Colorimeter) provides a simple, accurate and... more info

Color of Water Checker HC®, 0 to 500 PCU The Hanna Color of Water Checker®  is an affordable alternative to professional instrumentation for measuring the color of drinking water. The Hanna Color of Water Checker®  uses a fixed wavelength LED and silicon photo detector to provide similar accuracy of professional instrumentation. Compact, Portable Design One-Button Operation The HI-727 Checker®HC (Handheld... more info

Nickel HR Checker HC®, 0.00 to 7.00 g/L The Hanna Nickel High-Range Checker®  bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to... more info

Chromium VI High Range Checker HC®, 0 to 999 ppb The Hanna Chromium VI High-Range Checker®  bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing... more info

Pool Line Iron Checker HC® colorimeter: Range 0.00 to 5.00 ppm (mg/L) HI-7214 Iron Checker Handheld High Range Colorimeter (HC) bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source at a specific wavelength and a... more info

Iron Checker HC® colorimeter: Range 0.00 to 5.00 ppm (mg/L) The Hanna Iron Checker®  bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to... more info

Keck™ Clip for Spherical Joints, Violet, S 13 Manufactured from POM Excellent dimensional stability and good spring properties No damage to the glass surface during attachment unlike conventional wire clamps Easy, safe and quick to put on and take off Colour coding per size Cost-effective alternative to conventional spherical ground joint clips made of metal KECK™ spherical ground joint clamps represent a favourable alternative to... more info