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Many water sources can contain iron. The exact concentration will depend on geographic region and whether the water is from a lake, river, or groundwater. Groundwater will typically have the highest since minerals are picked up as rain percolates through the soil to the aquifers below. Iron in swimming pools, spas, and hot tubs present different problems. One problem is staining. Iron will be introduced in a reduced state and as it is exposed to air or other oxidizers, such has chlorine or bromine, the iron will be oxidized causing rust stains. The reaction of iron with oxidizers will create an increase demand for the oxidizers required to maintain a consistent disinfection level. A high demand in chorine could indicate an iron issue in which the water should either be pre-treated before adding to the body of water or treated by filtering it out.
HI7214 Pool Line Checker Handheld Colorimeter is designed for the measurement of iron in swimming pools, hot tubs, and spas within a 0.00 to 5.00 ppm (mg/L) range. The contoured style of these Checkers fit in your palm and pocket perfectly and the large LCD is easy to read. The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.
To perform a measurement the instrument a water sample is placed into a cuvette and the meter is zeroed. Next, a reagent is added that will react with iron to produce an orange color. Last, place the vial into the Checker, press the button and read the results. It’s that easy.
|Iron Range||0.00 to 5.00 ppm (as Fe)|
|Iron Resolution||0.01 ppm|
|Iron Accuracy||±0.04 ppm ±2% of reading|
|Iron Method||adaptation of the Standard Methods for the Examination of Water and Wastewater, 23rd Edition, 3500-Fe B, Phenanthroline Method. The reaction between iron and reagent causes an orange tint in the sample.|
|Photometer/Colorimeter Light Source||LED @ 525 nm|
|Photometer/Colorimeter Light Detector||silicon photocell|
|Battery Type/Life||1.5V AAA|
|Automatic Shut-Off||After 10 minutes of non-use and 2 minutes after reading|
|Environment||0 to 50°C (32 to 122°F); RH max 95% non-condensing|
|Weight||64 g (2.3 oz.)|
|Dimensions||86.0 mm x 61.0 mm x 37.5mm (3.2 x 2.4 x 1.5”)|
|Ordering Information||HI7214 Checker HC is supplied with sample cuvettes with caps (2pcs. each), iron high range starter reagent kit (6 tests), 1.5VAAA battery (1), and instructions packaged into a carrying case.|
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