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555 Turb 德国WTW ：德国WTW
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Turb® 555
Professional turbidity meters for the lab from 0.01 – 10.000 NTU according to drinking water standard, for quality, goods receiving and production inspections
Automatic measuring range switching up to 10.000 NTU
Highly precise AMCO Clear ® Standards
Comprehensive AQA
Different measuring procedures (NTU, FNU, FAU, Ratio,Nephelos…)
Turb ® 555 offers highly precise optics with several detectors and therefore allows nephelometric (90° stray light) measurement for drinking water as per DIN ISO 27027/ EN ISO 7027 / US EPA 180.1, transmission and ration measurements (ratio method). Ratio procedures reduce the influence of sample colorations and interference effects of stray light with high turbidity. Comprehensive AQA functions such calibration interval monitoring with protocol, password protection for calibration and setup access fulfill the quality assurance requirements. The calibration up to 4000 NTU takes place with highly precise AMCO Clear ® polymer standards (0.02 – 10.0 - 100 – 1750 NTU) that are called secondary standard for drinking water as per DIN ISO 27027, EN ISO 7027 or approved as primary standards as per US EPA. As an option, the measuring range can be expanded by a 10,000 NTU standard.
AMCO Clear ® standards
Polymer calibration standards excel Formazine by significantly higher accuracy and stability without drifting, which increases the measuring accuracy significantly：
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
Flow-through and continuous flow measurement of up to 4 bar possible. The measurement data can be sent to a PC or a printer timer-controlled via the RS232 interface.
Variations
| Model | De |
Order no. | |||
|---|---|---|---|---|---|
| Turb ® 555 IR | Turbidity meter with infrared LED: nephelometric as per DIN ISO and Ratio with ACMO Clear ® Calibration standards (0.02-10-100-1750 NTU) | 600210 | |||
| Turb ® 555 | Turbidity meter with tungsten lamp: nephelometric as per US EPA and ratio with ACMO Clear ® Calibration standards (0.02-10-100-1750 NTU) | 600200 | |||
Technical Data
| Measuring ranges | NTU 0 … 10000 FNU 0 … 10000 (IR) |
| Reproducibility | 0.01 NTU or ± 1% of the measured value |
| Cuvette size | 28x70 mm, 25 ml sample volume |
| Power supply | Power cable 100-240 VAC ±10% |
| Resolution (NTU) | 0.0001 for range 0.0001 … 9.9999 0.001 for range 10 … 99,999 0.01 for range 100.00 … 999.99 0.1 for range 1000.0 … 9999.9 |
| Accuracy (NTU) | 0 … 1000: 0.01 or ±2% of the value 1000….4000: ±5% of the value 4000 …10000: ± 10% of the value |
Matching and supplemental products
Cuvettes
Turbidity standards
Accessories
| Modell | De |
Order no. | |||
|---|---|---|---|---|---|
| Lamp Turb ® 550/555-WL | Preadjusted replacement lamp tungsten-halogen for Turb 550 und Turb 555 (white light/T) | 600603 | |||
| Flow-Turb | Flowmeter for low pressure applications (4 bar) with Turb ® 555 meters | 600605 | |||
| Cal.Std P 10000 NTU IR | Turbidity standard 10,000 NTU for Turb ® 555 IR | 600544 | |||
| Cal.Std P 10000 NTU WL | Turbidity standard 10,000 NTU for Turb ® 555 T/white light | 600546 | |||
| Cal.Kit P Turb 555 | Calibration set for Turb ® 555 T (0.02-10.0-100-1750 NTU) incl. marking rings | 600545 | |||
| Cell Turb/SET | Empty cuvette set 3 ea. for Turb 550/555 meters | 600601 | |||
| Lamp Turb ® 555 IR | Preadjusted replacement lamp IR for Turb 555 IR | 600608 | |||
| D-Turb | Flow vessel for Turb ® 550/555 meters, pressure-free | 600600 | |||
| Cal.Kit P Turb ® 555 IR | Calibration set for Turb ® 555 IR (0.02-10.0-100-1750 NTU) incl. marking rings | 600543 | |||
Downloads
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