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Always get accurate results for your...
HI758
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Always get accurate results for your saltwater aquarium with our handheld colorimeter.
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Saltwater Aquarium Calcium Colorimeter - Checker® HC
Always get accurate results for your saltwater aquarium with our handheld colorimeter.
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Our saltwater calcium colorimeter fills the gap between calcium test kits and advanced instrumentation. Standard test kits have limited accuracy as they depend on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct saltwater calcium result in ppm Ca2+.
Accuracy ± 0.04 ppm ± 2% of reading at 25 ° C
Typical EMC Dev. ± 0.01 ppm
Light source Light-emitting diode at 525 nm
Light detector Silicon photocell
Method Adaptation of the EPA method Phenantroline 315B, for natural and treated water. The reaction between the iron and the reagent causes an orange color in the sample. Environment 0 to 50 ° C (32 to 122 ° F) max. 95% RH non-condensing
Battery type 1 x 1.5 V AAA
Automatic shutdown After 3 minutes of non-use and 2 minutes 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)