Tungsten / IR Lab Turbidity Meters 0-1000 NTU

A Product by WTW GmbH
Turb® 550 SpecificationsTurb® 550 IR SpecificationsResources

Flexible and powerful Features of Turb® 550


  • Measuring range 0.01 ... 1 000 NTU with autoranging
  • Automatic 1-3 point calibration
  • Flow-through measurement

Measuring principles Nephelometric
Light source Tungsten lamp
Measuring Range
NTU 0 ... 1000
Resolution 0.01 NTU from 0.00 ... 9.99
0.1 NTU from 10.0 ... 99.9
1 NTU from 100 ... 1000
Accuracy ±2% of value or ±0.01 NTU
Reproducibility ±1% of value or ±0.01 NTU
Calibration Automatic 1...3 point calibration
Response time < 3 seconds
Cuvettes 28 x 70 mm (1.1 x 2.76 in) round cuvette, 25 ml sample volume
Operating temperature +10 ... +40 °C (50 … 104 °F)
Power supply Plug-in power supply 100 - 240 VAC ±10% / 47 - 63 Hz

Flexible and powerful Features of Turb® 550 IR


  • Measuring range 0.01 ... 1 000 NTU with autoranging
  • Automatic 1-3 point calibration
  • Flow-through measurement

Measuring principles Nephelometric
Light source IR-LED
Measuring Range
NTU 0 ... 1000
FNU 0 ... 1000
Resolution 0.01 NTU from 0.00 ... 9.99
0.1 NTU from 10.0 ... 99.9
1 NTU from 100 ... 1000
Accuracy ±2% of value or ±0.01 NTU
Reproducibility ±1% of value or ±0.01 NTU
Calibration Automatic 1...3 point calibration
Response time < 3 seconds
Cuvettes 28 x 70 mm (1.1 x 2.76 in) round cuvette, 25 ml sample volume
Operating temperature +10 ... +40 °C (50 … 104 °F)
Power supply Plug-in power supply 100 - 240 VAC ±10% / 47 - 63 Hz
Resources