Features
• HA-83414 features 4 measuring ranges: Ratio Turbidity; Non-Ratio Turbidity; Free Chlorine; Total Chlorine
• HA-88703 features 2 measuring ranges: Ratio Turbidity; Non-Ratio Turbidity
• Meets USEPA requirements
• Exclusive chlorine CAL CHECK™ calibration validation for HA-83414
• Good laboratory practice capabilities
• 2, 3, 4 or 5 point turbidity calibration
• USB PC connectivity
• Backlit LCD
• On-screen tutorial modes
• Log and recall up to 200 measurements
• Contextual help menus
• Auto shut-off
| Specifications | HA-83414 | HA-88703 |
| Turbidity | ||
| Range - Non Ratio Mode | 0.00 to 9.99; 10.0 to 40.0 NTU / 0.0 to 99.9; 100 to 268 Nephelos / 0.00 to 9.80 EBC | |
| Resolution - Non Ratio Mode | 0.01; 0.1 NTU / 0.1; 1 Nephelos / 0.01 EBC | |
| Range - Ratio Mode | 0.00 to 9.99; 10.0 to 99.9; 100 to 4000 NTU / 0.0 to 99.9; 100 to 26800 Nephelos / 0.00 to 9.99; 10.0 to 99.9; 100 to 980 EBC | |
| Resolution - Ratio Mode | 0.01; 0.1; 1 NTU / 0.1; 1 Nephelos / 0.01; 0.1, 1 EBC | |
| Range Selection | Automatic | |
| Accuracy | ± 2% of reading plus 0.02 NTU (0.15 Nephelos; 0.01 EBC) ± 5% of reading above 1000 NTU (6700 Nephelos; 245 EBC) | |
| Repeatability | ± 1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC) whichever is greater | |
| Stray Light | < 0.02 NTU (0.15 Nephelos; 0.01 EBC) | |
| Light Detector | Silicon Photocell | |
| Method | Nephelometric method (90°) or Ratio Nephelometric Method (90° & 180°), Adaptation of the USEPA Method 108.1 and Standard Method 2130 B | |
| Measuring Mode | Normal, Average, Continuous | |
| Turbidity Standards | <0.1, 15, 100, 750 and 2000 NTU | |
| Calibration | Two, three, four or five-point calibration | |
| Free & Total Chlorine | ||
| Range | Free: Cl2: 0.00 to 5.00 mg/L / Total: Cl2: 0.00 to 5.00 mg/L | |
| Resolution | 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 above 3.50 mg/L | |
| Accuracy | ± 0.02 mg/L @ 1.00 mg/L | |
| Detector | Silicon photocell with 525 nm narrow band interference filters | |
| Method | Adaptation of the USEPA Method 330.5 and Standard Method 4500-Cl G. | |
| Standards | 1 mg/L free chlorine, 1 mg/L total chlorine | |
| Calibration | One-point calibration | |
| General Specifications | ||
| Light Source / Life | Tungsten filament lamp / Greater than 100,000 readings | |
| Display | 40 x 70 mm graphic LCD (64 x 28 pixels) with backlight | |
| LOG Memory | 200 records | |
| PC Interface | USB | |
| Auto Shut-Off | After 15 minutes of non-use | |
| Environment | 0°C (32°F) to 50°C (122°F); max 95% RH non-condensing | |
| Power Supply | 115 V/60 Hz 20 W (230 V/50 Hz also available upon request) | |
| Dimensions / Weight | 230 x 200 x 145 mm (9" x 7.9" x 5.7") L x W x H, 2.5 kg (88 oz) | |
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