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Hanna Marine Low Range Nitrate Checker HC - HI781
Specifications
| Country of Origin | India |
|---|---|
| Display | Digital |
| Brand | Hanna |
| Power | Battery operated |
| Dimensions | 86.0 x 61.0 x 37.5 mm |
| Product Type | Marine Low Range Nitrate Checker HC |
| Battery Type/Life | 1.5V AAA Alkaline |
| Automatic Shut-Off | After 10 minutes of non-use |
| Model | HI781 |
| Photometer/Colorimeter Light Source | Light Emitting Diode (LED) @ 525 nm |
| Photometer/Colorimeter Light Detector | Silicon Photocell |
| Weight | 64 g |
| Timer | Built-in |
| Operating environment | 0 to 50°C, Max 95% RH non-condensing |
| Nitrate Range | 0.00 to 5.00 ppm (as NO3–) |
| Product Condition | New |
| MPN | HI781 |
| Nitrate Method | Colorimetric method; reaction between nitrate and reagent causes pink/violet tint; intended for seawater. |
| Nitrate Resolution | 0.01 ppm |
| Nitrate Accuracy | ±0.25 ppm ±2% of reading @ 25°C (77°F) |
Key Features
Hanna HI781 Marine Low Range Nitrate Checker HC provides accurate nitrate readings in seawater from 0.00 to 5.00 ppm using advanced colorimetric analysis.
- Offers measurement accuracy of ±0.25 ppm and high resolution at 0.01 ppm.
- Features a compact, portable photometer design for convenient marine water testing.
- Utilizes a fixed-wavelength LED and a silicon photo detector for reliable results.
- Equipped with an automatic shut-off to conserve battery life when not in use.
- Suitable for saltwater samples and designed to work with colorimetric reagent method.
- Powered by a single 1.5V AAA alkaline battery for field or lab operation.
- Displays results on a clear digital interface with built-in timer and auto-off.
Product Description
The Hanna Marine Low Range Nitrate Checker HC HI781 delivers precision nitrate measurement in marine and saltwater aquariums, research, and water quality laboratories. This pocket-sized colorimetric photometer bridges the gap between simple chemical test kits and costly professional instrumentation by utilizing a fixed wavelength LED light source and silicon photo detector for accurate results in the low range of 0.00–5.00 ppm (as NO3–).
- Resolution of 0.01 ppm ensures precise monitoring, essential for marine and aquaculture applications.
- Accuracy of ±0.25 ppm ±2% of reading at 25°C (77°F) supports sensitive environments.
- The silicon photocell and 525 nm LED minimize errors due to subjective visual color matching.
- Built-in timer enhances repeatability and consistent data collection.
- Operates reliably in environments from 0 to 50°C and up to 95% RH non-condensing.
- Ergonomically compact and lightweight at just 64 grams, the unit is highly portable for field and laboratory use.
- Automatic shut-off after 10 minutes conserves battery power.
- Powered by a single AAA alkaline battery for easy replacement.
- Seawater compatibility—ideal for saltwater tanks, oceanography field kits, and academic laboratories.
Industrial and Laboratory Applications: Marine biology, aquaculture monitoring, saltwater aquarium management, environmental research, and water quality analysis.
Set contains: 1 Hanna Marine Low Range Nitrate Checker HC HI781, requires HI781 reagents for operation (not included).
Browse more analytical instruments in the EnvMart Laboratory Instruments collection for reliable marine water testing solutions.
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Frequently Asked Questions
The Hanna Marine Low Range Nitrate Checker HC HI781 measures nitrate levels from 0.00 to 5.00 ppm (as NO3–).
The HI781 provides an accuracy of ±0.25 ppm ±2% of reading at 25°C (77°F), ensuring reliable results for sensitive environments.
The Hanna Marine Low Range Nitrate Checker is powered by a single 1.5V AAA alkaline battery, which is easy to replace.
Yes, the HI781 is specifically designed for seawater compatibility, making it ideal for saltwater aquariums and marine research.
The resolution of the HI781 is 0.01 ppm, allowing for precise monitoring of nitrate levels.
The HI781 features a built-in timer that enhances repeatability and consistent data collection during testing.
The HI781 operates reliably in environments ranging from 0 to 50°C and up to 95% relative humidity (non-condensing).
Yes, the HI781 requires specific HI781 reagents for operation, which are sold separately.
The HI781 is compact and lightweight at just 64 grams, making it highly portable for both field and laboratory use.
The HI781 is suitable for marine biology, aquaculture monitoring, saltwater aquarium management, environmental research, and water quality analysis.
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