WTW آلمان
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کدورت سنج رومیزی مدل Turbo 550 کمپانی wtw
The lab turbidity meters of the Turb® 550 series with IR lamp as per DIN ISO or Tungsten-halogen lamp as per US EPA for nephelometric measurements with automatic 1-3 point calibration and calibration interval monitoring with protocol for the AQS. User guidance and quick instructions on the meter ensure user-friendly measurements and calibration. The calibration is conducted with highly precise AMCO Clear® polymer standards, called a secondary standard for drinking water as per DIN ISO 27027, EN ISO 7027 or approved as primary standards as per US EPA (0.02 – 10.0 – 1000 NTU). The analytical quality assurance (AQA) takes place via an adjustable calibration interval and a calibration protocol.
AMCO Clear® Standards
Compared to Formazine, polymer calibration standards offer a much higher accuracy and stability without drifting, which increases the measuring accuracy even more:
- Manufacturing tolerance of only ±1% for highest result accuracy
- Long-term stable particle distribution and size
- No health hazard
- Easy to dispose of
- N.I.S.T. traceability
For continuous measurements, there is an attachment for flow-through available. The measurement data can be sent to a PC or a printer timer-controlled via the RS232 interface.
Technical Data
| Measuring ranges | NTU 0 … 1100 / 0-1100 FNU 0 … 1100 (IR) |
| Resolution (NTU) | 0.01 for range 0.00 … 9.99 0.1 for the range 10 … 99.90 1 for range 100 … 1000 |
| Accuracy (NTU) | ± 0.01 NTU or ± 2% of measured value |
| Reproducibility | 0.01 NTU or ±1% of measured value |
| Cuvette size | 28x70 mm, 25 ml sample volume |
| Power supply | Power cable 100-240 VAC ±10% |
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دتکتور تیوب گاز Nitrogen dioxide رنج: 0.2-12 بسته 10 عددی GASTEC ژاپن