HI97757 Ozone Portable Photometer
The HI97757 is an auto-diagnostic Ozone portable photometer that benefits from Hanna’s® years of experience as a manufacturer of analytical instruments. It has an advanced optical system that uses a Light Emitting Diode (LED) and a narrow band interference filter that allows for accurate and repeatable readings.
- Sophisticated optical system
- Meter validation using certified CAL Check cuvettes
- Tutorial mode guides the user step-by-step
Ozone is a widely used disinfectant in the treatment of drinking water, wastewater and swimming pools.
| Specification | Detail |
|---|---|
| Ozone Range | 0.00 to 2.00 mg/L (as O3) |
| Ozone Resolution | 0.01 mg/L |
| Ozone Resolution | ±0.02 mg/L ±3% of reading at 25 °C |
| Method | DPD Colorimetric Method |
| Light source | Light Emitting Diode |
| Bandpass filter | 525 nm |
| Bandpass filter bandwidth | 8 nm |
| Bandpass filter wavelength accuracy | ±1.0 nm |
| Light detector | Silicon photocell |
| Cuvette type | Round 24.6 mm diameter (22 mm inside) |
| Auto logging | 50 readings |
| Display | 128×64 pixel B/W LCD with backlight |
| Auto-off | After 15 minutes of inactivity (30 minutes before a Read measurement) |
| Battery type | 1.5 V AA Alkaline (3 pcs.) |
| Battery life | >800 measurements (without backlight) |
| Environment | 0 to 50 °C (32 to 122 °F); 0 to 100% RH, non-serviceable |
| Dimensions | 142.5×102.5×50.5 mm (5.6×4.0×2.0") |
| Weight (with batteries) | 380 g (13.4 oz.) |
| Case ingress protection rating | IP67, floating case |