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| Product Name | Bante Bante221-ORP Portable pH/ORP Meter | HANNA HI8424 Acidity Meter |
| Product Price | $464.00 | $706.00 |
| Details | Details | |
| Model comparison | ||
| Type | Single parameter | Multiparameter |
| Style | Portable | Portable |
| Detection Principle | Electrode | Electrode |
| Measurement parameters | pH ORP Temperature | pH ORP Temperature |
| Range | Wide Range | Wide Range |
| Accuracy | ±0.5%FS | ±0.5%FS |
| Resolution | 0.1 | 1 |
| Data Output | USB | |
| IP Rating | IP57 | |
| Parameter comparison | ||
| Measurement Range of pH | -2.000~20.000 pH | |
| Measurement accuracy of pH | ±0.002 pH | |
| pH resolution | 0.1, 0.01, 0.001 pH, optional | |
| pH calibrating point | 1 to 5 points | |
| pH calibrating solution | USA, NIST, DIN, Custom | |
| pH temperature compensation Range | 0~100℃, 32~212℉ | Automatic or manual temperature compensation in the Range of -20.0 - 120.0 ° C/-4.0 - 248.0 ° F (without temperature sensor) |
| pH temperature compensation | Manual/Automatic | |
| ORP Measurement Range | ±1999.9 mV | ±699.9mV;±1999mV |
| mV Measurement accuracy | ±0.2 mV | |
| mV resolution | 0.1, 1 mV, optional | |
| mV calibrated point | 1 point (for R.mV mode only) | |
| mV calibrated Range | ±200 mV | |
| Measurement Range | 0~105℃, 32~221℉ | |
| Measurement accuracy | ±0.5℃ | ±0.4℃/±0.8℉ |
| Temperature resolution | 0.1℃ | 0.1℃/0.1℉ |
| Temperature calibrated mode | 1 point | |
| Temperature unit | ° C, ° F, optional | |
| Calibrated reminder | 1 to 31 days or closed | |
| shutdown mode | Manual or automatic (10, 20, 30 minutes after no button operation) | |
| Data storage | 500 sets | |
| Communication interface | USB | |
| connector | BNC | |
| power supply | 3 AA batteries | |
| Battery life | Approximately 150 hours (when the LCD backlight is turned off) | 9V high-performance battery, 150 hours of continuous operation |
| Dimension | 170*85*30mm | |
| instrument weight | 300 g | |
| Optional Accessories | Type 501 ORP Electrode, Type 502 ORP Electrode, Type 504 ORP Electrode | |
| Packaging Dimensions | 340*290*80mm | |
| Encasement weight | 2 kg | |
