Hanna Checker Marine Ammonia Colorimeter HI784

Ammonia is a by-product of the Nitrogen cycle. Ammonia is normally removed by nitrifying bacteria, but ammonia levels can rise if there is an imbalance in the tank water chemistry. Excessive ammonia in a marine aquarium increases the risk of inhabitant illness or death.

Range: 0.00 to 2.50 ppm (mg/L) NH3
Resolution: 0.01 ppm (mg/L)
Accuracy: 0.05 ppm 5% of reading @ 25 C (77F)
Light source: Light Emitting Diode @ 610 nm
Light detector: Silicon photocell
Method: Adaptation of the Salicylate Method. The reaction between Ammonia and Ammonium and the reagent causes a blue-green tint in the sample.
Environment:0 to 50 C (32 to 122 F); max. 95% RH non-condensing Prepared sample cuvette (sample plus reagents) must be 18 to 29 C (65 to 85 F).
Battery type: 1.5V AAA Alkaline
Auto shut-off: After 10 minutes of non-use
Dimensions:86.0 x 61.0 x 37.5 mm (3.4 x 2.4 x 1.5)
Weight: 64 g (2.3 oz)
Ordering Information: HI784 Checker HC is supplied with sample cuvette and cap (2 pcs.), Marine Ammonia reagent starter kit (reagents for 10 tests), plastic refilling pipette (1 pc.), 1.5V AAA alkaline battery (1 pc.), instruction manual, and quick-reference guide.