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| Product Name | QiWei DDS-307 Conductivity Meter (Microcomputer) | YUEFENG DDS-307A Laboratory Conductivity Meter |
| Product Price | $158.00 | $230.00 |
| Details | Details | |
| Model comparison | ||
| Type | Desktop | Desktop |
| Range | ＜2000 us/cm | ＜2000 us/cm |
| Precision | 1.0 | 0.5 |
| Resolution | 1 0.1 | |
| Temperature compensation | Manual | Automatic Manual |
| PH | Without | |
| TDS | without | With |
| Salinity | Without | |
| Resistivity | Without | |
| Accessories | ||
| Parameter comparison | ||
| Measurement parameter | conductivity | Conductivity, TDS, temperature |
| Measurement Range | (0~199.9)μs/cm ；(200~1999)μs/cm ；(2.00~19.99)ms/cm ；(20.0~199.9)ms/cm | 0.0~60.0℃ |
| measurement error | ±1.0% F.S | |
| resolution | 0.1/1μs/cm；0.01/0.1ms/cm | |
| Temperature compensation Range | 0~50℃ | |
| temperature coefficient | 2%/℃ | |
| Electrode constant specification | 0.1、1、10 | |
| Data storage | 50 sets | |
| save content | Number, Measured value, Measurement unit and temperature value | |
| power supply | DC9V adapter | AC220±22V, 50±1Hz |
| Dimension | 220*200*80mm | |
| weight | 1.7kg | |
