Điểm nổi bật
Hãng sản xuất: HANNA - Ý
| Range | Turbidity | 0.00 to 9.99; 10.0 to 99.9 and 100 to 1000 NTU |
| Free and Total Cl2 |
0.00 to 5.00 mg/L | |
| Resolution | Turbidity | 0.01 NTU from 0.00 to 9.99 NTU; 0.1 NTU from 10.0 to 99.9 NTU; 1 NTU from 100 to 1000 NTU |
| Free and Total Cl2 |
0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 above 3.50 mg/L | |
| Accuracy @25°C | Turbidity | ±2% of reading plus 0.02 NTU |
| Free and Total Cl2 |
±0.03 mg/L ±3% of reading (whichever is greater) | |
| Method | Turbidity | Ratio Nephelometric Method (90°), ratio of scattered and transmitted light; adaptation of the USEPA Method 180.1 and Standard Method 2130 B |
| Free and Total Cl2 | adaptation of the USEPA Method 330.5 and Standard Method 4500-Cl G. The reaction between chlorine and DPD reagent causes a pink tint in the sample. | |
| Standards | Turbidity | <0.1, 15, 100 and 750 NTU |
| Free and Total Cl2 | 1 mg/L free chlorine, 1 mg/L total chlorine | |
| Calibration | Turbidity | two, three or four-point calibration |
| Free and Total Cl2 | one-point calibration | |
| Light Detector | Turbidity | silicon photocell |
| Free and Total Cl2 |
silicon photocell with 525 nm narrow band interference filter | |
| Turbidity Range Selection |
automatic | |
| Stray Light | < 0.02 NTU | |
| Measuring Mode | normal, average, continuous | |
| Light Source | tungsten filament lamp | |
| Lamp Life | greater than 100,000 readings | |
| Log Memory | 200 records | |
| Serial Interface | USB or RS 232 | |
| Environment | 0°C (32°F) to 50°C (122°F); max 95% RH non-condensing | |
| Power Supply | 1.5V AA alkaline batteries (4) or AC adapter; auto-off after 15 minutes of non-use | |
| Dimensions / Weight | 224 x 87 x 77 mm (8.8 x 3.4 x 3.0”) / 512 g (18 oz.) |
22825600
