The HI782 Checker is a simple, accurate, and cost-effective way to measure nitrate in your saltwater aquarium. Nitrate is a by-product of the Nitrogen cycle. Excessive amounts of nitrates in a reef and fish only aquariums can promote the growth of undesirable organisms including algae and dinoflagellates which can quickly choke out filtration, lighting, and sessile organisms. Specifications Range: 0.0 to 75.0 ppm (as NO3-) Resolution: 0.1 ppm Precision: ±2 ppm ±5% of reading @ 77°F (25°C) Light Source: LED @ 525 nm Light Detector: Silicon photocell Environment: 0 to 50°C (32 to 122°F); max 95% RH non-condensing Battery Type: (1) 1.5V AAA Auto-off: After 10 minutes of non-use Dimensions: 86 x 61 x 37.5 mm (3.4 x 2.4 x 1.5") Weight: 64 g (2.3 oz.) Method:Zinc reduction method. The reaction between nitrate and the reagent causes a pink tint in the sample. Interferences: Nitrite What’s Included? (1x) HI782 Checker HC (1x) Sample cuvette and (2x) caps (1x) Marine Nitrate High Range Starter Kit (reagents for 10 tests) (1x) 3mL Pasteur pipette (1x) 1.5V AAA Alkaline battery (1x) Instruction manual
