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| Product Name | QiWei ZD-501 Portable Turbidity Meter | LeiCi WZB-170 TurbidiMeter |
| Product Price | $282.00 | $501.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Nephelometric (90°) | Ratio |
| Usage Mode | Portable | Portable |
| Light Source | IR LED (860nm) | |
| Range | 0-1000NTU | 0-20NTU 0-200NTU |
| Resolution | 0.01NTU 0.1NTU | 0.01NTU 0.1NTU |
| Repeatability | ≤0.5% | ≤1.0% |
| Accuracy | ±6% | ±8% |
| Calibration | Multi-point | Multi-point |
| Data Output | ||
| Special application | Drinking Water Wastewater Beverage | Drinking Water Wastewater Industrial Effluent Beverage Environmental Monitoring |
| Parameter comparison | ||
| Determination principle | 90 ° scattered light | |
| measurement Range | 0-100/0.01NTU 100-500/0.1NTU | |
| minimum indication | 0.1/0.01NTU | |
| Correction point | 6 points | |
| Indication Error | ±6%（±2%F.S） | ±8％ |
| Sexual repeability | ≤0.5% | |
| Zero drift | ±0.5%F.S | ±0.5% FS/30min |
| instrument weight | 1.5kg | |
| dimensions | 370*260*160mm | |
| Power supply | AC 220V/50HZ | |
