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Hanna Free Chlorine Checker® HC - HI701
Specifications
| Country of Origin | India |
|---|---|
| Brand | Hanna |
| Dimensions | 81.5 mm x 61 mm x 37.5 mm |
| Light Source | LED @ 525 nm |
| Environment | 0 to 50°C (32 to 122°F), RH max 95% non-condensing |
| Battery Type/Life | 1 x 1.5V AAA |
| Automatic Shut-Off | after two minutes of non-use |
| Model | HI701 |
| Chlorine Method | Adaptation of USEPA Method 330.5 (DPD method) |
| Free Chlorine Range | 0.00 to 2.50 ppm |
| Free Chlorine Resolution | 0.01 ppm |
| Free Chlorine Accuracy | ±0.03 ppm ±3% of reading |
| Weight | 64 g |
| Timer | Built-in |
| Operation | One-button |
| Light Detector | Silicon photocell |
| Product Condition | New |
| MPN | HI701 |
| Parameter Measured | Free Chlorine |
Key Features
Hanna HI701 Free Chlorine Checker HC is a compact, portable colorimeter designed for accurate determination of free chlorine in water samples, ranging from 0.00 to 2.50 ppm, using DPD chemistry and LED photometric measurement.
- High-precision digital checker for measuring free chlorine in the 0.00–2.50 ppm range.
- Adopts USEPA Method 330.5 with DPD reagent for reliable colorimetric analysis.
- Features a fixed-wavelength LED at 525 nm and silicon photocell detector.
- Automatic shut-off after two minutes of non-use saves battery life.
- Compact device with built-in timer and single-button operation for ease of use.
- Operates on a single 1.5V AAA battery, suitable for field and lab testing.
- Resolution of 0.01 ppm with accuracy ±0.03 ppm ±3% of reading.
Product Description
The Hanna HI701 Free Chlorine Checker HC bridges the gap between standard chemical test kits and professional instrumentation, offering outstanding accuracy and portability for free chlorine measurement in environmental, laboratory, and water quality applications. Compact and robust, it utilizes a photometric method based on a fixed-wavelength LED and a silicon photodetector, delivering precise measurements in the 0.00–2.50 ppm range.
- Employs the adaptation of USEPA Method 330.5 with DPD reagent to deliver a colorimetric analysis resulting in a pink tint proportional to the free chlorine concentration.
- Built-in timer ensures consistent analytical procedure and repeatability, minimizing errors common in manual visual methods.
- Extremely easy one-button operation supports both laboratory and field processes, with automatic shut-off to prolong battery life.
- Features a durable and ergonomic design with concise dimensions: 81.5 mm x 61 mm x 37.5 mm and ultralight weight of 64 g, enabling it to be carried anywhere for on-site use.
- Includes all essential operational functions for quick and frequent chlorine testing of drinking water, municipal, process, or environmental samples.
Recommended for industrial, laboratory, water treatment, municipal, aquaculture, and field testing use cases. Package typically includes checker, sample cuvettes, DPD reagents, and battery (confirm specific package contents with supplier if needed).
Explore more water quality instruments and chemical photometers from Hanna and other global brands in EnvMart’s Checker Colorimeter section.
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Frequently Asked Questions
The Hanna Free Chlorine Checker HC measures free chlorine levels in water samples within a range of 0.00 to 2.50 ppm.
It uses DPD chemistry in accordance with USEPA Method 330.5 for reliable colorimetric analysis, providing precise results.
Yes, it is compact and lightweight, making it easy to carry for field testing or laboratory use.
The device operates on a single 1.5V AAA battery, which is included in the package.
The automatic shut-off activates after two minutes of non-use to conserve battery life.
It has a resolution of 0.01 ppm and an accuracy of ±0.03 ppm ±3% of reading.
Yes, it is designed for versatility, suitable for both laboratory and field testing applications.
The package typically includes the checker, sample cuvettes, DPD reagents, and a battery. Confirm specific contents with the supplier.
The dimensions are 81.5 mm x 61 mm x 37.5 mm, and it weighs only 64 g.
Yes, it is recommended for various applications, including environmental, laboratory, and water quality testing.
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