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Turbidity meter TURB 2120

WTW Drinking water analyzer TURB 2120

The TURB 2100 – nephelometric turbidity meter with integrated bubble trap, ultrasonic cleaning and infrared light according to EN ISO 7027

  • Safe measurements by integrated bubble trap and ultrasonic cleaning
  • Minimizing the influence of colouring by using infrared light
  • Easy calibration with standards that are traceable to Formazine

The turbidity meter TURB 2120 can be used for nearly all applications thanks to its large measuring range. By using the nephelometric procedure with infrared light and our respective standards, the meter meets all requirements of the EN ISO 7027 as well as those of the US EPA 180.1. The integrated ultrasonc cleaning will help you save time and work.


Model Description Order no.
TURB 2120 Online turbidity meter, with infrared light, ultrasonic cleaning and integrated bubble trap; nephelometric measurement specified according to US EPA 180.1, 110-240 VAC 600035

Technical Data

Measuring range 0 … 1000 NTU
Resolution selectable up to 0.0001
Accuracy ± 2% of the measured value or
± 0.02 NTU below 40 NTU (higher value), ± 5% of the measured value above 40 NTU
Outputs RS 485 or 4 … 20 mA
Power supply 100 … 240 VAC, 47 … 63 Hz

Matching and supplemental products


Model Description Order no.
BC-Turb/DW Bubble trap for turbidity meters TURB 2000 – TURB 2120 600041
PS24- Turb/DW Power supply 24 V DC for meters of the TURB 2000 meters 600044
PS-Turb/DW Wide range power supply 100-240 VAC for TURB 2000 series 600045
FTC 3-Turb/DW 3 flow cuvettes for turbidity meters without ultrasonic cleaning 600046
FTC US-Turb/DW 1 ultrasound flow cuvette for turbidity meters with ultrasonic cleaning 600047
DP-Turb/DW 1 bag of drying material 600048
Tub Kit-Turb/DW Hose set (hoses, fittings, clamp, backflow valve, exhaust unit) 600049
DF-Turb/DW Flow unit, Nylon (screw top), without cuvette/hoses 600050
Kal Kit Turb/DW Calibration kit for turbidity meters (except for the TURB 2110): Standards 0.02, 10.0 and 1000 NTU, traceable to Formazin as per EN ISO 7027 and US EPA 600052
A-Set-DW 3 m PU hose, with 2 quick couplings and ¼”-NPT inner thread 600060
ADA-DW1 Adapter for A-Set-DW from ¼”-NPT inner thread to R½“ inner and outer thread 600062
ADA-DW2 Adapter for A-Set-DW from ¼”-NPT inner thread to DN20 flange 600064
PU-TUB Connection hose, 10 m 600066


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