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Hanna Chlorine, Cyanuric Acid, and pH Portable Photometer-Meter Only - HI97725
Specifications
| Display | 128 x 64 pixel B/W LCD with backlight |
|---|---|
| Power Supply | 3 x 1.5V AA alkaline |
| Dimensions | 142.5 x 102.5 x 50.5 mm |
| Measured parameters | Free Chlorine, Total Chlorine, pH, Cyanuric Acid |
| pH Range | 6.5 to 8.5 |
| pH Resolution | 0.1 |
| pH Accuracy | ±0.1 pH at 25°C |
| Environment | 0 to 50°C, up to 100% RH, IP67 |
| Automatic Shut-Off | After 15 minutes (30 minutes in READ mode) |
| Logging Memory | 50 readings |
| Model | HI97725 |
| Optical System | LED with 525 nm bandpass filter, reference detector |
| Cuvette Type | Round 24.6 mm dia (22 mm inside) |
| Chlorine Method | EPA Method 330.5, DPD Colorimetric |
| Free Chlorine Range | 0.00 to 5.00 mg/L (as Cl2) |
| Free Chlorine Resolution | 0.01 mg/L |
| Free Chlorine Accuracy | ±0.03 mg/L ±3% at 25°C |
| pH Method | Phenol Red Method |
| Weight | 0.38 Kg |
| Total Chlorine Range | 0.00 to 5.00 mg/L (as Cl2) |
| Cyanuric Acid Range | 0 to 80 mg/L (as CYA) |
| Total Chlorine Accuracy | ±0.03 mg/L ±3% at 25°C |
| Total Chlorine Resolution | 0.01 mg/L |
| Cyanuric Acid Accuracy | ±1 mg/L ±15% at 25°C |
| Cyanuric Acid Resolution | 1 mg/L |
| Cyanuric Acid Method | Turbidimetric Method |
Key Features
HI97725 Chlorine, Cyanuric Acid, pH Portable Photometer delivers advanced, reference-grade measurement of key pool and water treatment parameters with rugged IP67-rated durability.
- Measures free and total chlorine, cyanuric acid, and pH with high precision.
- IP67 waterproof and dustproof construction for use in harsh environments.
- Equipped with reference detector and narrow band 525 nm filter for rapid, repeatable results.
- No warm up time required before use, enabling instant testing on site.
- Step-by-step tutorial mode and CAL Check function enhance user confidence and accuracy.
- Stores up to 50 readings with intuitive digital memory for traceability.
- Automatic shut-off feature conserves battery life after 15 minutes (30 minutes in READ mode).
- Operates with 3 x 1.5V AA batteries for over 800 tests without backlight.
- Large, backlit 128 x 64 LCD screen for clear data display and guidance.
- Ideal for swimming pools, spas, industrial water systems, and cooling towers.
Product Description
Hanna HI97725 Chlorine, Cyanuric Acid, and pH Portable Photometer is a high-performance, multi-parameter water testing instrument designed for accurate and reliable analysis in swimming pools, spas, and industrial water treatment systems. Engineered with advanced optical technology, this portable photometer delivers fast, precise, and repeatable measurements for critical water quality parameters including free chlorine, total chlorine, pH, and cyanuric acid.
Equipped with a superior optical system featuring a reference detector and narrow bandpass filter at 525 nm, the HI97725 ensures exceptional accuracy and stability in every reading. The instrument provides instant results with no warm-up time, allowing users to perform rapid testing in both field and laboratory environments.
The built-in tutorial mode guides users step-by-step through the testing process, minimizing operational errors and making the device suitable for both experienced professionals and first-time users. The CAL Check™ feature allows quick verification of instrument performance using standard solutions, ensuring confidence in measurement accuracy at all times.
Designed for demanding environments, the HI97725 features a rugged IP67-rated enclosure that protects against dust and water ingress. It operates efficiently in temperatures from 0 to 50°C and up to 100% relative humidity, making it ideal for field applications. The large backlit display ensures clear visibility of readings in all lighting conditions, while the onboard memory can store up to 50 readings for traceability and quality control.
The photometer measures free and total chlorine in the range of 0.00 to 5.00 mg/L (as Cl₂), cyanuric acid from 0 to 80 mg/L, and pH from 6.5 to 8.5. It utilizes EPA Method 330.5 (DPD colorimetric method) for chlorine analysis and a turbidimetric method for cyanuric acid, ensuring compliance with recognized testing standards.
Powered by three 1.5V AA alkaline batteries, the HI97725 supports over 800 measurements per cycle, making it highly efficient for routine testing operations.
Widely used in swimming pools, spas, cooling towers, industrial water systems, and laboratory environments, the HI97725 provides reliable, reference-grade measurements that help maintain optimal water chemistry, ensure safety, and reduce operational costs.
Enhance your water quality management with Hanna’s advanced photometric technology, designed for precision, durability, and ease of use in professional applications portable photometer
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