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The measuring system includes everything needed for disinfectant measurement: instrument, sensor, assembly and wiring – pre-mounted on a measuring panel. The system is used for measuring free Chlorine, Chlorine dioxide, Ozone or Hydrogen Peroxide. Measuring parameter and measuring range can be chosen in the menu. The integrated armature ensures a constant flow of approx. 30 l/h. As a consequence the system provides stable, precise and reliable measuring values. Flow fluctuations are not any longer shown up in the measuring curves as long as a water inlet flow of above 35l/h is guaranteed. For measuring free Chlorine, Chlorine Dioxide or Ozone a double gold sensor is used, for measuring in brine a special graphite-platinum sensor is available. For the measurement of Hydrogen Peroxide, a double platinum sensor is used. Temperature and flow is guarded by a further sensor, which additionally can be used for grounding. The control unit with touch screen operation includes an input for the measurement and temperature, one digital input, one analogue output and alarm relay, as well as an automatic sensor cleaning. Optionally, a system with integrated pH-measuring electrode is available which compensates pH fluctuations. The complete system is pressure resistant up to 6 bars at 20°C.

  • Complete, pre-mounted measuring panel: mounting – water connection – measure

  • Stabilized water flow

  • Fast results, measurement is directly made in the medium

Protection class

min. IP 54

Sample temperature

0 .. +40 °C


4 x 0/4 .. 20 mA, galvanic separated
2 x Relays 250 VAC, 4 A
5 x digital outputs, free configurable

Sample pressure

max. 0.6 MPa (6 bar)


1 x for optional flow meter
2 x 0/4 .. 20 mA
4 x digital outputs, free configurable

Ambient temperature

0 .. +50 °C


0 .. 100% rel. F.

Supply voltage

100 .. 240 VAC, 47 .. 63 Hz or
18 .. 30 VDC

Power input

max. 10 W


approx. 55 x 115 x 40 cm (B x H x T)


Current output module, 4 x 0/4 .. 20 mA
Profibus DP
Modbus RTU


1/4 VGA, 3.5"




Ethernet, Modbus TCP, micro SD-Card

Turbidity measurement

AquaScat, model selectable (see information for the corresponding instrument model)

Sensor type pH

  • Measuring principle: Potential measurement against reference
  • Measuring units: pH, Temperature [°C, K, °F]
  • Measuring range: pH 0 .. 14
  • Material in contact with medium: Glass, FPM (Viton), Electrolyte (Polisolve Plus), Reference (Everref-L)

Sensor type Conductivity

  • Measuring principle: 4-Pole Measurement
  • Measuring units: µS/cm, mS/cm, Temperature [°C, K, °F]
  • Measuring range: 1 .. 300'000 µS/cm
  • Accuracy: ± 3% @1 µS/cm .. 100 mS/cm, ± 5% @100 .. 300 mS/cm
  • Material in contact with medium: Stainless steel 1.4435/316L, Ra < 0.4 µm (N5), PEEK (FDA approved), EPDM (FDA approved)

Sensor type Dissolved Oxygen

  • Measuring principle: Optical (Luminescence)
  • Measuring units: µg/l, mg/l, ppm, ppb, %-sat, %-vol, Temperature [°C]
  • Measuring range:4 ppb .. 25 ppm
  • Accuracy (@25°C): 1±0.05 %-vol, 21±0.2 %-vol, 50±0.5 %-vol
  • Material in contact with medium: Stainless steel 1.4435/316L, Silicone (FDA approved), EPDM (FDA approved)

Sensor type Redox/ORP

  • Measuring principle: Potential measurement against reference
  • Measuring units: mV, Temperature [°C, K, °F]
  • Measuring range: -1500 .. 1500mV
  • Material in contact with medium: Glass, FPM (Viton), Platinum

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