SEIBOLD Wasser - Analysatorenfabrik GmbH

- Online Cadmium Analyser


SEIBOLD Online-Analyser for Cadmium Cadmium compounds belong to the most hazardous pollutants in the environment. Industry. Cadmium metal is used in the steel industry and in plastics. Cadmium compounds are widely used in batteries. Drinking water. Contamination in drinking-water may also be caused by impurities in the zinc of galvanized pipes and solders and some metal fittings. A guideline value of 0.005 mg/litre was recommended for cadmium in drinkingwater. Toxicity. Cadmium is toxic to a wide range of organs. Primary targets are the kidneys, bone, and the lung.

Metal is measured as chelate complex between metal ions in the waste water and sensitive spectrophotometric reagent dye. Change of the intensity of the visible light throughout cuvette containing formed metal complex is directly proportional to metal concentration.

  • Robust design.
  • Minimal maintenance.
  • Easy handling.
  • High accuracy and precision.
  • Suitable for mission critical applications.
  • Automated cleaning and calibration.

Measurement method

  • Spectrophotometric (LED, detector)

Measurement interval

  • Continuous; Discontinuous (programmable, external start)

Sample and Reagents consumption per measurement

  • Sample: ~ 75 - 200 ml
  • Seibold Buffer and Reagent: ~ 3 ml


  • Ambient operating temperature, sample temperature: 5 to 40°C
  • Ambient operating humidity: Up to 95 % RH non-condensing (bellow the condensation limit)

Power supply

  • Supply voltage: 220 … 230 V AC, 50…60 Hz (110 V AC or 24 V DC, optional)
  • Power consumption: approx 50 VA
  • Output signal: 4…20 mA


  • Color, TFT, liquid crystal display (LCD) with built-in backlight and brightness adjustment.


  • Maintenance interval: 3 months

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