Hanna HI784 Marine Ammonia Checker
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Hanna HI784 Marine Ammonia Checker HC
The Hanna HI784 Marine Ammonia Checker HC is a high-accuracy, digital colorimeter designed specifically for saltwater aquariums. Ammonia is highly toxic to marine life—even at low levels—so continuous and precise monitoring is essential for maintaining a healthy aquatic environment. This Checker HC offers a reliable and user-friendly solution to track ammonia levels, replacing subjective color-matching test kits with exact digital readouts.
Key Features
Precision for Reef Environments: Measures ammonia levels from 0.00 to 2.50 ppm (NH₃), ideal for saltwater and reef aquariums.
Colorimetric Salicylate Method: Uses an adaptation of the Salicylate Method, where the reaction between ammonia/ammonium and the reagent results in a blue-green tint measurable with high sensitivity.
Digital Simplicity: Compact, palm-sized device with one-button operation and large LCD display ensures easy and consistent readings.
Accurate and Reliable: Provides laboratory-grade results with ±0.05 ppm ±5% of reading accuracy at 25°C.
Temperature-Conscious Design: Requires sample preparation within a strict range of 18–29 °C for optimal results—reflecting the precision needed in marine systems.
Applications
Marine aquariums and reef tanks
Coral propagation systems
Public aquaria
Marine aquaculture facilities
Technical Specifications
| Parameter | Specification |
|---|---|
| Range | 0.00 to 2.50 ppm (mg/L) NH₃ |
| Resolution | 0.01 ppm (mg/L) |
| Accuracy @ 25°C | ±0.05 ppm ±5% of reading |
| Method | Adaptation of the Salicylate Method (blue-green color development) |
| Light Source | LED @ 610 nm |
| Light Detector | Silicon photocell |
| Operating Environment | 0 to 50 °C (32 to 122 °F); RH max 95% non-condensing |
| Sample Temp Range | 18 to 29 °C (65 to 85 °F) |
| Battery Type | 1 x 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) |
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