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| Product Name | Bante Bante321-Na Portable ion Meter | QiWei DWS-51 Sodium ion concentration Meter |
| Product Price | $696.00 | $262.00 |
| Details | Details | |
| Model comparison | ||
| type | Portable | desktop |
| Ion type | Na⁺ | Na⁺ |
| Accuracy | Class 0.1 | Class 0.01 |
| Direct Read | Yes | Yes |
| consumables | ||
| Parameter comparison | ||
| mV Measurement Range | -1999.9~1999.9 mV | -1800-1800 mV |
| mV Measurement accuracy | ±0.2 mV | |
| mV Display resolution | 0.1 mV | |
| Measurement Range | 1*10⁻⁵~1 M, 0.1~23000 ppm0~105 ℃, 32~221 ℉ | |
| Measurement accuracy | ±0.5% F.S±0.5 ℃ | |
| Display resolution | 0.001, 0.01, 0.1, 10.1 ℃ | |
| Ion calibrating point | 2 to 5 points | |
| Ion calibrating fluid | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000 ppm, mol/L, mg/L | |
| Measurement Range | 1*10⁻⁵~1 M, 0.1~23000 ppm0~105 ℃, 32~221 ℉ | |
| Measurement accuracy | ±0.5% F.S±0.5 ℃ | |
| Display resolution | 0.001, 0.01, 0.1, 10.1 ℃ | |
| Temperature calibrating point | 1 point | |
| Temperature unit | ℃/℉ | |
| data lock | Manual or automatic end point locking | |
| Data stability condition | Fast or High Accuracy | |
| Temperature compensation method | Manual/Automatic | |
| shutdown mode | Manual or automatic (10, 20, 30 minutes after no button operation) | |
| One-click reset function | contain | |
| data storage | 500 sets | |
| Interface | USB | |
| connector | BNC | |
| Power supply Type | 3 AA batteries | |
| Battery life | Approximately 150 hours (when the LCD backlight is turned off) | |
| Dimension | 170*85*30mm | |
| Instrument weight | 300 g | |
| Optional Accessories | Na-US Sodium Ion Selective Electrode, Ionic Standard Solution, Ionic Strength Regulator, TP-10K Temperature Probe | |
| Packaging Dimensions | 340*290*80mm | |
| Encasement weight | 1.5 kg | |
