WTW آلمان
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کدورت سنج پرتابل مدل Turb® 355 کمپانی wtw
Battery-operated portable turbidity meter with infrared LED for nephelometric measurements as per ISO 7027/DIN EN 27027 (EN ISO 7027) or as a white light model with tungsten lamp as per US EPA.
It is handy, light and simple to operate and is suitable, primarily for applications to monitor > 1 NTU. With smaller samples of 15 ml, it is also very suited for applications in fermenters and cell cultures at good precision.
Turb® 355 IR/T is supplied as a set in a handy small case with quick instructions, calibration standards 0.02 – 10.0 and 1000 NTU, empty cuvettes and batteries.
Technical Data
| Measuring ranges | NTU 0 … 1100 FNU 0 … 1100 |
| Resolution | 0.01 NTU in the range 1 … 9.99 0.1 NTU in the range 10,0 ... 99,9 1 NTU in the range 100 ... 1000 |
| Accuracy | 0 - 500 NTU/FNU: ± 0.1 NTU/FNU or ± 2% of measured value 500 - 1100 NTU/FNU: ± 3% of the measured value |
| Reproducibility | 0.05 NTU or ± 1% of the measured value |
| Cuvette size | 25x45 mm, 15 ml sample volume |
| Power supply | 4 x AAA batteries for approx. 1500 measurements |
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دتکتور تیوب گاز Nitrogen dioxide رنج: 0.2-12 بسته 10 عددی GASTEC ژاپن