Features:
-
- Measures pH, Conductivity, TDS, DO Salinity, mV & Temperature
- Turbidity Measurement in Model 191
- Mains cum Battery Operated
Specification:
| Model | 161 | 191 | 171 | 172 |
| Display | 3½ digit LCD |
3½ digit LCD |
3½ digit LCD |
3½ digit LCD |
| Accuracy | 0.01, ± 1Digit | 0.01, ± 1Digit | 0.01, ± 1Digit | 0.01, ± 1Digit |
| Conductivity (EC) | ||||
| Range | 0 – 200 μS 0 – 2, 0 – 20, 0 – 200 mS |
0 – 20 mS | 0 – 20 mS | 0 – 20 mS |
| Resolution | 0.1 μS | 0.01 mS (10 μS) |
0.01 mS (10 μS) |
0.01 mS (10 μS) |
| Range Selection | Manual | – | – | – |
| Accuracy | ± 0.5% FS, ± 1 Digit |
± 0.5% FS, ± 1 Digit |
± 0.5% FS, ± 1 Digit |
± 0.5% FS, ± 1 Digit |
| Cell Constant | Adjustable (0.4 – 1.5) |
Pre-Adjusted | Pre-Adjusted | Pre-Adjusted |
| Temp. Coefficient | 2% | 2% | 2% | 2% |
| Temp. Comp. | Adjustable from Table | Adjustable from Table | Adjustable from Table | Adjustable from Table |
| Reference Temp. | 25 oC | 25 oC | 25 oC | 25 oC |





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