Hanna Instruments Nitrate Handheld Colorimeter
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Nitrate Handheld Colorimeter by Hanna Instruments - Saltwater Testing Made Simple
The Hanna Instruments Nitrate Handheld Colorimeter delivers accurate results without the hassle of color-matching charts. For aquarists who depend on trustworthy data, this compact digital tool provides peace of mind. Designed by Hanna Instruments, it fits perfectly into your daily aquarium care routine and makes a smart addition to any Maintenance and Accessories setup.
Why Choose the Hanna Instruments Nitrate Handheld Colorimeter for Saltwater Testing
Unlike chemical kits, this unit eliminates human error by giving a clear digital readout. It also requires only one reagent, making it easier and faster than most test methods. For those managing reef tanks with elevated nutrients, the colorimeter ensures nitrate levels remain under control. Within the Saltwater Test Kits section, this model stands out as a trusted option for tracking Nitrate in marine systems.
Key Features of the Hanna Instruments Nitrate Handheld Colorimeter
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Measures nitrate levels from 0.0 to 75.0 ppm (NO3–)
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Uses the Zinc Reduction method for accuracy
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Requires only a single reagent packet per test
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Provides digital results in four quick steps
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Compact design fits easily in any test kit box
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Dedicated solely to nitrate testing, avoiding cross-parameter confusion
Hanna Instruments Nitrate Handheld Colorimeter vs. Low Range Models
The HI782 High Range Colorimeter excels in aquariums with higher nutrient levels, such as fish-only tanks or mixed reefs. It can handle readings above 30 ppm with accuracy. By comparison, the HI781 Low Range Colorimeter specializes in systems that demand precise control at very low nitrate levels. Both serve different purposes, and many reef keepers use them together for full-spectrum testing.
Technical Specifications
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Measurement Range: 0.0 to 75.0 ppm nitrate (as NO3–)
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Accuracy: ±2.0 ppm plus 5% of reading
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Power: AAA batteries included
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Dimensions: 3.1" x 2.4" x 1.5"
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Weight: 2.5 oz (with batteries installed)
Frequently Asked Questions About the Hanna Instruments Nitrate Handheld Colorimeter
How accurate is the Hanna Instruments Nitrate Handheld Colorimeter?
It provides laboratory-grade precision with an accuracy margin of ±2.0 ppm plus 5% of the reading.
Does it require special reagents?
Yes, it uses a single reagent packet designed for saltwater testing, making the process simple.
Who should use the HI782 high range model?
It’s ideal for aquarists with nutrient-rich tanks, including fish-only systems or coral setups tolerant of higher nitrate.
Is this easier than using traditional chemical kits?
Absolutely. The digital readout removes guesswork and avoids the inconsistencies of color chart matching.
Can this be used with freshwater tanks?
The HI782 is designed for saltwater applications. For freshwater, Hanna offers dedicated models.
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