Hanna HI701-11 Free Chlorine Checker HC
The Hanna HI701-11 Free Chlorine Checker HC is a compact, easy-to-use, and highly accurate colorimeter designed for measuring free chlorine in water samples. Developed as a more reliable alternative to traditional chemical test kits, this handheld device simplifies free chlorine testing by providing precise digital results with minimal user input.
Ideal for applications in drinking water monitoring, pool and spa maintenance, and environmental testing, the HI701-11 ensures accurate chlorine measurements critical for both health and compliance.
Key Features
Digital Accuracy: Provides precise results in parts per million (ppm), eliminating the guesswork common in visual test kits.
Compact Design: Small, portable form factor fits easily in the palm of your hand or testing kit.
Simple Operation: One-button control allows for easy calibration and measurement in just a few steps.
Reliable Detection Range: Measures free chlorine from 0.00 to 2.50 ppm, suitable for most water quality applications.
Quick Results: Fast reaction time enables real-time decision-making.
Technical Specifications
| Parameter | Details |
|---|---|
| Measurement Range | 0.00 to 2.50 ppm (mg/L) |
| Resolution | 0.01 ppm (mg/L) |
| Precision @ 25°C | ±0.03 ppm ±3% of reading |
| Light Source | LED @ 525 nm |
| Light Detector | Silicon photocell |
| Environment | 0 to 50°C (32 to 122°F); RH max 95%, non-condensing |
| Battery Type | (1) 1.5V AAA alkaline |
| Auto-off Function | After 2 minutes of inactivity and after reading |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) |
| Weight | 64 g (2.25 oz.) |
| Method | EPA-approved DPD method Standard Method 4500-Cl G |
Applications
Drinking water treatment facilities
Swimming pool and spa maintenance
Food & beverage processing
Aquaculture systems
Environmental water analysis
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