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| Display | 128 x 64 pixel B/W LCD with backlight |
|---|---|
| Power | 3 x 1.5 V AA alkaline batteries |
| Measured parameters | Free Chlorine, Total Chlorine, pH, Cyanuric Acid |
| pH Range | 6.5–8.5 pH |
| pH Resolution | 0.1 pH |
| pH Accuracy | ±0.1 pH at 25°C |
| Automatic Shut-Off | After 15 min inactivity (30 min before READ) |
| Logging Memory | 50 readings |
| Model | HI97725C |
| Optical System | LED with 525 nm bandpass filter |
| Bandpass Filter Bandwidth | 8 nm |
| Bandpass Filter Wavelength Accuracy | ±1.0 nm |
| Free Chlorine Range | 0.00–5.00 mg/L (as Cl2) |
| Free Chlorine Resolution | 0.01 mg/L |
| Free Chlorine Accuracy | ±0.03 mg/L ±3% of reading at 25°C |
| Light Detector | Silicon photocell |
| Total Chlorine Range | 0.00–5.00 mg/L (as Cl2) |
| Cyanuric Acid Range | 0–80 mg/L (as CYA) |
| Total Chlorine Accuracy | ±0.03 mg/L ±3% of reading at 25°C |
| Total Chlorine Resolution | 0.01 mg/L |
| Cyanuric Acid Accuracy | ±1 mg/L ±15% of reading at 25°C |
| Cyanuric Acid Resolution | 1 mg/L |
HI97725C Portable Chlorine, Cyanuric Acid, and pH Photometer Kit is designed for precise water analysis in pools, spas, and cooling towers.
The HI97725C Portable Chlorine, Cyanuric Acid, and pH Photometer Kit is designed for fast and accurate measurement of key water quality parameters, including free chlorine (0.00 to 5.00 mg/L), total chlorine (0.00 to 5.00 mg/L), cyanuric acid (0 to 80 mg/L), and pH (6.5 to 8.5 pH). This portable photometer kit uses an advanced optical system with a reference detector and narrow band interference filters to provide highly repeatable and precise readings, making it ideal for pool maintenance, spa monitoring, and cooling tower water treatment.
Industrial and laboratory use cases include swimming pool management, spa maintenance, industrial cooling tower treatment, and water quality assurance in municipal and commercial facilities. The kit provides all necessary components for comprehensive water parameter monitoring in portable field applications.
Explore more laboratory photometers and water quality instruments in the Portable Photometers category on EnvMart.
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