The Hanna Instruments Marine Nitrate High Range Checker HI782 provides a simple, accurate, and economical way to determine high range nitrates in your saltwater aquarium.

The Marine Nitrate High Range Checker HI782 is specially designed to quickly and accurately determine high nitrate levels for saltwater aquariums and marine applications.

• Simple, digital operation
• Measurements up to 75.0 ppm
• Less complicated laboratory-grade accuracy – Requires only 1 reagent
• With a digital reading, there is no more difficulty or ambiguity in visually determining colors.

Instructions for use available via video.

Technical Specifications:

• Code: HI782
• Range: From 0.0 to 75.0 ppm (NO3–)
• Resolution: 0.1 ppm
• Accuracy @ 25°C: ±2.0 ppm ±5% of reading @ 25 °C
• Light source: LED @ 525 nm
• Sensor: silicon photocell
• Method: Zinc reduction method. The reaction between nitrates and the reagent produces a pink hue in the sample. This photometer has been developed to work with saltwater samples.
• Battery type: (1) 1.5V AAA
• Automatic shut-off: after 10 minutes of non-use
• Operating temperature: 0 to 50°C; RH max 95% non-condensing
• Dimensions: 86.0 x 61.0 x 37.5 mm
• Weight: 64 g
• Package contents: Each HI782 photometer is delivered in a special case, with 2 cuvettes, 10 reagents, pipette, battery, and user manual.
• Reagents (code): HI782-25 (25 tests)
• Calibration (code): HI782-11