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Hanna Freshwater Alkalinity Checker® HC - HI775
Specifications
| Country of Origin | India |
|---|---|
| Resolution | 1 PPM |
| Accuracy | ±5 ppm (mg/L) ±5% of reading |
| Measurement Range | 0 to 500 ppm (mg/L) |
| Brand | Hanna |
| Dimensions | 81.5 mm x 61 mm x 37.5 mm |
| Light Source | LED @ 610 nm |
| Product Type | Freshwater Alkalinity Checker HC |
| Battery Type/Life | (1) 1.5V AAA |
| Automatic Shut-Off | after ten minutes of non-use |
| Model | HI775 |
| Method | Colorimetric method |
| Weight | 64 g |
| Operating environment | 0 to 50°C (32 to 122°F) - RH max 95% non-condensing |
| Light Detector | Silicon photocell |
| Product Condition | New |
| MPN | HI775 |
| Dimensions (Inch) | 3.2 x 2.4 x 1.5 inches |
Key Features
Hanna HI775 Freshwater Alkalinity Checker HC is a portable colorimeter designed for quick and accurate measurement of alkalinity in freshwater.
- Measures alkalinity in freshwater from 0 to 500 ppm (mg/L).
- Provides high measurement resolution with 1 ppm increments.
- Features ±5 ppm or ±5% of reading accuracy for reliable results.
- Utilizes a fixed wavelength LED light source and a silicon photocell detector for precise colorimetric analysis.
- Compact, portable design is ideal for laboratory, field, and industrial use.
- Simple one-button operation with a built-in timer and automatic shut-off after ten minutes of non-use.
- Operates on a single AAA 1.5V battery for extended field work.
- Displays results digitally, eliminating subjective interpretation of color by eye.
- Lightweight and rugged for easy transport and routine monitoring.
Product Description
Hanna HI775 Freshwater Alkalinity Checker HC is a compact and highly accurate portable colorimeter specifically designed for measuring alkalinity in freshwater samples across a wide range (0–500 ppm). Incorporating a fixed wavelength LED at 610 nm and a silicon photo detector, this instrument bridges the gap between traditional test kits and advanced laboratory spectrophotometers. It offers reliability and resolution for aquaculture, environmental monitoring, laboratory, water treatment, and industrial process control applications.
With one-button operation and an integrated timer, the HI775 simplifies operation and ensures analysis consistency. The automatic shut-off feature conserves battery life, making it ideal for on-site measurement. The digital readout eliminates errors associated with visual interpretation, providing ±5 ppm or ±5% of reading accuracy. Its lightweight, durable design enables use in laboratories, fieldwork, plant operations, and educational institutions.
- Wide measuring range for freshwater alkalinity: 0 to 500 ppm (mg/L).
- Resolution: 1 ppm for precise monitoring and control.
- Colorimetric determination eliminates subjectivity.
- Equipped with a fixed 610 nm LED light source for accurate results.
- Features a built-in silicon photocell detector.
- Operated by a single 1.5V AAA battery for portability.
- Automatic shut-off after 10 minutes of inactivity ensures battery conservation.
- Sturdy ABS housing and compact dimensions facilitate handling and storage.
- Designed for continuous monitoring in water treatment plants, aquaculture, laboratory environments, and more.
Weight: Approx. 64 g (including battery). Dimensions: 81.5 × 61 × 37.5 mm. Operating temperature: 0 to 50°C (RH max 95%).
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Frequently Asked Questions
The Hanna HI775 measures alkalinity in freshwater from 0 to 500 ppm (mg/L), providing a wide range for various applications.
The HI775 offers an accuracy of ±5 ppm or ±5% of reading, ensuring reliable and precise results for your measurements.
Yes, the HI775 is designed to be compact and lightweight, making it ideal for fieldwork, laboratory use, and industrial applications.
The HI775 operates on a single AAA 1.5V battery, which allows for extended use in the field without the need for frequent replacements.
The HI775 features a digital display that provides clear results, eliminating the potential for subjective interpretation of color by eye.
The HI775 has a resolution of 1 ppm, allowing for precise monitoring and control of alkalinity levels in freshwater.
Yes, the HI775 is suitable for use in laboratories, fieldwork, water treatment plants, and aquaculture, making it versatile for different applications.
The HI775 includes an automatic shut-off feature that activates after 10 minutes of inactivity, helping to conserve battery life during use.
The HI775 operates effectively within a temperature range of 0 to 50°C, with a maximum relative humidity of 95%.
To maintain the HI775, ensure it is stored in a clean, dry environment, and regularly check the battery level. Follow the manufacturer's guidelines for cleaning and calibration.
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