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General| Model | HI97711 |
|---|---|
| Category | Photometer |
| Light Source | LED |
| Wavelength | 525 nm |
| Battery Type | AA |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Weight | 380 g (13.4 oz.) |
| Measurement Range (Chlorine) | 0.00 to 5.00 mg/L |
| Measurement Range (Nitrate) | 0.0 to 30.0 mg/L (as NO₃⁻) |
| Resolution (Chlorine) | 0.01 mg/L |
| Resolution (Nitrate) | 0.1 mg/L (ppm) |
| Accuracy (Chlorine) | ±0.03 mg/L |
| Method | Colorimetric |
| Method (Nitrate) | Colorimetric |
| Light Detector | Photodiode |
| Detector | Silicon photodetector |
| Power Supply | 1.5V AA battery (3 pcs) |
| Auto-off | After 15 minutes of inactivity |
| Relative Humidity | 0 to 95% RH (non-condensing) |
| Dimensions | 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0") |
List of items included with the HI97711 instrument package.
General safety measures for handling chemicals and operating the instrument.
List of abbreviations used in the manual with their meanings.
Detailed specifications for instrument range, resolution, accuracy, and system.
Overview of the HI97711 portable photometer and its intended applications.
Detailed explanation of instrument functions, components, and keypad.
Explanation of measurement accuracy, precision, and the photometric principle.
Details of the instrument's internal optical system and its components.
Procedure for validating meter performance using CAL Check standards.
Using GLP features, logging, and recalling measurement data.
Configuring backlight, contrast, date/time, language, and beeper settings.
Enabling tutorial mode and viewing instrument details.
Accessing help and listing available reagents and accessories.
Information on battery status, replacement, and auto-off features.
Selecting measurement methods and preparing reagents and samples.
Proper techniques for mixing samples and preparing cuvettes for measurement.
Detailed steps for measuring Free Chlorine using powder and liquid reagents.
Factors that can interfere with chlorine measurements and how to mitigate them.
Detailed steps for measuring Total Chlorine using powder and liquid reagents.
Explanations of common warning and error messages and recommended actions.
Steps for replacing the instrument's batteries.
List of available reagent sets and other accessories for the HI97711.
Instrument compliance, user advice, and safety guidelines.
Details of the instrument's two-year limited warranty terms.
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