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我要纠错技术参数：
测试范围：0~1000 NTU。
重复性：±0.01NTU或结果±1%，凝胶样品重复性更高
防水设计、操作简单
重量：200g
尺寸：68x50x155mm
| GENERAL FEATURES | |
| Construction material: | ABS |
| Measurement method: | ISO 7027 compliant nephelometric method (90°) |
| Calibration standard: | 0.02, 20, 100, 800 NTU |
| Light source: | Infrared emitting-diode (850 nm wavelength) |
| Protection degree CEI EN 60529: | IP 67 |
| Weight: | 0.2 Kg (0.4 lb) |
| Dimensions (WxHxD): | 68x50x155 mm (2.7x2x6.1 in) |
| PERFORMANCE | |
| Measurement range: | from 0 to 1000 NTU |
| Accuracy: | ±2% in the range from 0 to 500 NTU ±3% in the range from 501 to 1000 NTU |
| Repeatability: | ±0.01 NTU or ±1% of reading, whichever is greater with gel samples |