HI-721 High-Range Iron Checker Handheld Colorimeter - Checker®HC. Approximately 6.3% of the Earth's crust is composed of iron, with 43% of this amount found in the soil. As a result, iron is naturally present in most water supplies. \n \nLeft in the water, iron will not only stain pipework and swimming pool surfaces, poison aquatic life, but also affect the water taste and cause problems with animal feed lines. \n \nTesting should therefore form an important part of any water monitoring process - particularly if you are checking your pool, watching the quality of water in your fish tank, or needing to monitor water run-off. \n

Key features of Iron Checker HI-721

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• Accurate and easy to use
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• Phenanthroline method
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• Accuracy ±0.04 mg/L (ppm)
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• 0.01 mg/L (ppm) resolution
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• Designed to work with Hanna reagents
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• Large, easy-to-read digits
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• Auto shut-off
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• Fits into the palm of your hand
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Specifications

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Range		0.00 to 5.00 ppm (mg/L)
Resolution		0.01 ppm (mg/L)
Precision		2% of reading ±0.04 ppm (mg/L) @ 25°C
Light Source		LED @ 525 nm
Light Detector		Silicon photocell
Environment		0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type		(1) 1.5V AAA
Auto-off		After 2 minutes of non-use and after reading
Dimensions		81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight		64 g (2.25 oz.)
Method		Adaptation of the EPA Phenantroline method 315B, for natural and treated waters.

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• HI-721 High Range Iron Handheld Colorimeter
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• Water Iron Checker
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• Brand: Hanna
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• Made in Romania
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