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Hanna pH, Free and Total Chlorine, Total Hardness, and Iron LR Portable Photometer-Meter Only - HI97745
Specifications
| Country of Origin | India |
|---|---|
| Display | 128 x 64 pixel B/W LCD with backlight |
| Dimensions | 142.5 x 102.5 x 50.5 mm |
| Battery Life | Greater than 800 measurements (no backlight) |
| Measured parameters | pH, Free Chlorine, Total Chlorine, Calcium Hardness, Magnesium Hardness, Total Hardness, Iron (LR) |
| pH Range | 6.5 to 8.5 pH |
| pH Resolution | 0.1 pH |
| pH Accuracy | ±0.1 of reading at 25°C |
| Environment | 0 to 50°C, 0 to 100% RH |
| Battery Type/Life | 1.5 V AA Alkaline (3 pcs.) |
| Automatic Shut-Off | After 15 min (30 min before READ) |
| Logging Memory | 50 readings |
| GLP | Yes |
| Model | HI97745 |
| Optical System | LED with 525 nm Bandpass Filter, Silicon Photocell |
| Bandpass Filter Bandwidth | 8 nm |
| Bandpass Filter Wavelength Accuracy | ±1.0 nm |
| Cuvette Type | Round, 24.6 mm diameter (22 mm inside) |
| 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% of reading at 25°C |
| Iron Resolution | 0.01 mg/L |
| Iron Accuracy | ±0.01 mg/L ±8% of reading at 25°C |
| Weight | 0.38 Kg |
| Protection Class | IP67 |
| Product Condition | New |
| MPN | HI97745 |
| Hardness, Total Range | 0.00 to 4.70 mg/L (as CaCO3) |
| Total Chlorine Range | 0.00 to 5.00 mg/L (as Cl2) |
| Photometer Type | Portable |
| Total Chlorine Accuracy | ±0.03 mg/L ±3% of reading at 25°C |
| Total Chlorine Resolution | 0.01 mg/L |
| Hardness, Calcium Range | 0.00 to 2.70 mg/L (as CaCO3) |
| Hardness, Magnesium Range | 0.00 to 2.00 mg/L (as CaCO3) |
| Hardness (Ca, Mg, Total) Resolution | 0.01 mg/L |
| Hardness Accuracy | ±0.11 mg/L ±5% of reading at 25°C |
| Iron (Low Range) Range | 0.00 to 1.60 mg/L (as Fe) |
Key Features
Hanna HI97745 portable photometer provides advanced field measurement of pH, free and total chlorine, calcium/magnesium/total hardness, and low range iron in water.
- Wide detection ranges for pH, chlorine, hardness, and iron.
- Utilizes a superior optical system with reference detector and interference filters.
- Includes IP67 dust/water protection and backlit LCD display.
- Automatic shut-off preserves battery life during field operation.
- 5.6 x 4.0 x 2.0 inch compact, robust design weighing just 380 grams.
- Battery powered; over 800 measurements on standard AA batteries.
- Logs up to 50 readings and supports GLP for data traceability.
- Adapts standard methods for water examination, colorimetric analysis.
Product Description
The Hanna HI97745 Portable Photometer is a comprehensive solution for onsite measurement of critical water parameters including pH, free and total chlorine, calcium, magnesium and total hardness, and low range iron. Designed for accuracy and reliability, it employs a sophisticated optical system featuring a silicon photocell, LED light source with a precise 525 nm bandpass filter, and a reference detector for highly repeatable results in laboratory or field testing scenarios.
Measurement ranges include pH (6.5–8.5, 0.1 pH resolution), free and total chlorine (0.00–5.00 mg/L, 0.01 mg/L resolution), hardness (up to 4.7 mg/L as CaCO3), and iron (0.00–1.60 mg/L). It features automatic shut-off after 15 minutes (30 before READ), versatile data logging for up to 50 readings, and IP67-rated water and dust protection. Its high-contrast backlit LCD enhances readability even in challenging site conditions.
- Advanced bandpass filter optics for fast, repeatable measurements.
- Step-by-step tutorial mode simplifies user operation for non-experts.
- Compatible with round 24.6 mm diameter cuvettes (22 mm inside).
- Powered by three 1.5V AA batteries, supporting extended fieldwork with up to 800 measurements per set.
- Automatic shut-off prevents accidental battery drain.
- Chemical method adaptation supports compliance with water testing standards (Standard Methods 23rd Ed.).
- Temperature range: 0–50°C, humidity 0–100% (non-condensing), robust IP67 enclosure.
- Stores up to 50 test results for convenient data tracing and GLP compliance.
Typical applications include environmental water monitoring, potable and wastewater analysis, swimming pool and process water quality, and laboratory educational use. Accessories such as calibration standards and reagents are available separately.
Explore more portable photometers and laboratory water test meters from Hanna and other global brands in the Lab Equipment & Instruments category on EnvMart.
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Frequently Asked Questions
The Hanna HI97745 can measure pH, free and total chlorine, total hardness (calcium and magnesium), and low range iron in water.
The pH measurement range for the HI97745 is 6.5 to 8.5 with a resolution of 0.1 pH.
The HI97745 utilizes a sophisticated optical system with a silicon photocell, LED light source, and a precise 525 nm bandpass filter, ensuring highly repeatable results.
Yes, the HI97745 is designed for field use with an IP67 rating for dust and water protection, making it robust for various environmental conditions.
The HI97745 can perform over 800 measurements on a standard set of three 1.5V AA batteries.
The automatic shut-off feature activates after 15 minutes of inactivity, helping to preserve battery life during field operations.
Yes, the HI97745 can log up to 50 readings, supporting data traceability and GLP compliance.
The HI97745 operates within a temperature range of 0 to 50°C and humidity levels of 0 to 100% (non-condensing).
The HI97745 is compatible with round cuvettes that have a diameter of 24.6 mm and an inside diameter of 22 mm.
Accessories such as calibration standards and reagents for the HI97745 are available separately. You can explore more options in the Lab Equipment & Instruments category.
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