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Hanna Free & Total Chlorine HR Portable Photometer- Meter Only – HI97734
Specifications
| Measurement Range | 0.00 to 10.00 mg/L (as Cl2) |
|---|---|
| Display | 128 x 64 pixel B/W LCD with backlight |
| Power Source | 1.5V AA batteries (3 pcs) |
| Product Type | Portable Free & Total Chlorine High Range Photometer |
| Calibration | GLP-compliant, date/time stamping |
| Automatic Shut-Off | After 15 minutes (30 min before a reading) |
| Logging Memory | Automatic logging of last 50 measurements |
| Model | HI97734 |
| Method | Adaptation of US EPA method 330.5, DPD Colorimetric Method |
| Optical System | Bandpass filter 8 nm; wavelength accuracy ±1.0 nm, 525 nm LED, silicon photocell detector |
| Cuvette Type | Round, 24.6 mm diameter (22 mm inside) |
| Measurement Accuracy | ±0.03 mg/L ±3% of reading |
| Measurement Resolution | 0.01 mg/L |
| Tutorial Mode | Yes, step-by-step instructions |
Key Features
HI97734 Portable Free & Total Chlorine High Range Photometer for precise water quality testing applications.
- Measures free and total chlorine in water from 0.00 to 10.00 mg/L (ppm) as Cl2.
- Advanced optical system offers laboratory-grade accuracy.
- Tutorial mode provides step-by-step guidance for users.
- CAL Check ensures meter performance verification.
- Features automatic shut-off after 15 or 30 minutes of inactivity.
- Uses a bandpass filter with 8 nm bandwidth and 525 nm LED light source.
- Resolution is 0.01 mg/L with an accuracy of ±0.03 mg/L ±3% of reading.
- Up to 50 measurements stored automatically in memory.
- Operates in challenging environments with IP67-rated housing.
- Battery operated, over 800 measurements without backlight.
Product Description
HI97734 Portable Free & Total Chlorine High Range Photometer is a precision instrument designed for accurate and efficient measurement of chlorine levels in water samples. Covering a wide range from 0.00 to 10.00 mg/L (ppm) as Cl₂, this photometer is ideal for both field and laboratory use, delivering reliable and repeatable results in water treatment, environmental monitoring, and industrial quality control applications.
The device utilizes an advanced optical system featuring a silicon photocell and a narrow bandpass filter with an 8 nm bandwidth, ensuring high accuracy and minimal interference during measurement. It employs the DPD colorimetric method in accordance with US EPA method 330.5, allowing precise determination of both free and total chlorine concentrations in water samples.
With an accuracy of ±0.03 mg/L ±3% of reading and a resolution of 0.01 mg/L, the HI97734 provides laboratory-grade performance in a portable format. The user-friendly interface includes a built-in tutorial mode and CAL Check™ functionality, enabling easy operation and validation of instrument performance, even for users with limited technical experience.
The photometer features a high-contrast 128×64 pixel backlit LCD display for clear visibility in various lighting conditions. It also supports GLP-compliant data logging, storing up to 50 measurements for traceability and record-keeping. Designed for durability, the unit operates effectively in temperatures from 0 to 50°C and up to 100% relative humidity, with an IP67-rated waterproof and dustproof enclosure for reliable field performance.
Powered by three AA batteries, the HI97734 supports over 800 test cycles without backlight, making it suitable for extended field use. Its compact and lightweight design (142.5 × 102.5 × 50.5 mm; 380 g) ensures easy portability, while compatibility with standard 24.6 mm cuvettes simplifies sample preparation.
Widely used in municipal water systems, swimming pool maintenance, cooling tower monitoring, laboratory testing, and industrial water treatment processes, this photometer offers a dependable solution for accurate chlorine analysis.
Enhance your water testing capabilities with Hanna’s advanced photometer, designed for precision, durability, and ease of use as part of Portable Photometers
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