Điểm nổi bật
Hãng sản xuất: HANNA - Ý
| Range | Total Hardness | 0.00 to 4.70 mg/L (ppm) |
| pH | 6.5 to 8.5 pH | |
| Resolution | Total Hardness | 0.01 mg/L (ppm) |
| pH | 0.1 pH | |
| Accuracy @25°C | Total Hardness | ±0.11 mg/L ±5% of reading |
| pH | ±0.1 pH | |
| Light Source | tungsten lamp | |
| Light Detector | silicon photocell with narrow band interference filter @ 525 nm | |
| Power Supply | 9V battery | |
| Auto-off | after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Dimensions | 192 x 104 x 69 mm (7.6 x 4.1 x 2.7") | |
| Weight | 360 g (12.7 oz.) | |
| Method | Total Hardness | adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th Edition, colorimetric method |
| pH | Phenol Red method |
5510400
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