Hanna Marine Nitrate High Range Checker HC HI782 HR

The HI782 Marine Nitrate High Range (HR) Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. Measurements with a range up to 75.0ppm Less complex laboratory grade accuracy - Requires only 1 reagent Simple, intuitive digital operation Compact and precise whether at home, at work, or on-the-go Specs Range: 0.0 to 75.0 ppm (as NO3-) Resolution: 0.01 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 and after read Dimensions: 81.5 x 61 x 37.5 mm (3.4 x 2.4 x 1.5") Weight: 64 g (2.25 oz.) Method: Colorimetric method Interferences: Nitrite In the box: (1x) HI782 Checker HC  (1x) 1.5V AAA alkaline