HI721 – Iron Checker® HC

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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 precisely determine ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Iron Checker^® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

Compact, Portable Design
Built-in Timer
One-Button Operation

Iron Range	0.00 to 5.00 ppm
Iron Resolution	0.01 ppm
Iron Accuracy	±0.04 ppm ±2% of reading
Iron Method	Adaptation of Standard Methods for the Examination of Water and Wastewater, 3500-Fe B., Phenanthroline Method
Photometer/Colorimeter Light Source	LED @ 525 nm
Photometer/Colorimeter Light Detector	silicon photocell
Battery Type/Life	(1) 1.5V AAA
Automatic Shut-Off	after three minutes of non-use and two minutes after reading
Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
Weight	64 g (2.25 oz.)
Dimensions	81.5mm x 61mm x 37.5mm (3.2″ x 2.4″ x 1.5”)
Ordering Information	HI721 Checker® is supplied with (2) sample cuvettes with caps, iron reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.