LISA-SAK254 – Inexpensive, network-independent UV-LED-Technology

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Measurement of the spectral absorption coefficient (SAK) measurement at 254 nm (based on DIN 38404 C3). This probe is used for environmental monitoring, water monitoring, control of UV disinfection systems and sewage treatment systems.

  • Robust and inexpensive
  • Innovative UV LED technology
  • New and intuitive user interface via web browser (PC, tablet or smartphone)
  • Parameter: SAK 254, UV-transmission, online-determination of COD and BOD
  • Temperature-independent measurements using integrated temperature sensor
  • Adjustable optical path length: 1 mm, 2 mm, 5 mm, 10 mm or 50 mm
  • Self-cleans using compressed air
  • Stainless steel (1.4571) or titanium (water with high chloride concentration)
  • Low maintenance: dirt-repellant nano-laminated windows
  • Low energy consumption
  • Analog or digital interface
  • Easy to use
  • Long lifetime
Output: 4...20 mA (calibrated data)
Interface: Digital: Ethernet + RS232/ 485 or
Analog: Ethernet + 4 to 20 mA
Power supply: 9...28 VDC
Permissible operation temperature: 0...40 °C (internal temperature sensor)
Dimensions: d: 48,3 mm, length: 295 mm (without plug)
Weight (air): 1.2 kg (stainless steel)
Maximum depth: 300 m