HANNA - pH/TDS Continuous Monitors
Brand: Hanna
| Specifications | HI 981404N | HI 981405N |
| Range | 0.0 to 14.0 pH; 0 to 1990 mg/l (ppm) | 0.0 to 14.0 pH; 0.00 to 9.99 mS/cm |
| Resolution | 0.1 pH; 10 mg/l (ppm) | 0.1 pH; 0.01 mS/cm |
| Accuracy | ± 0.2 pH; ± 2% F.S. | ± 0.2 pH; ± 2% F.S. |
| Calibration |
Manual at 1 or 2 point (pH) Manual at 1 point (TDS) |
Manual at 1 or 2 point (pH) Manual at 1 point (EC) |
| Temp. Comp. | Auto from 5 to 50°C (41 to 122°F) (TDS) | Auto from 5 to 50°C (41 to 122°F) (EC) |
| TDS conv. Factor | 0.7 ppm = 1 μS/cm | - |
| Probes (included) |
HI 1286 interchangeable pH electrode HI 7634 TDS probe(fixed) |
HI 1283 grounding bar with 2 m (6.6’) cable HI 7632 EC probe (fixed) |
| Power Supply | 12 VDC adapter (included) | |
| Dimensions | 165 x 110 x 35 mm (6.5 x 4.3 x 1.3”) | |
| Weight | 300 g (10.6 oz) | |
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