Optical dissolved oxygen sensor ADS420

Smart, reliable, accurate DO measurement made easy.

Designed to work the way you want to work, the new ADS420 utilizes the latest generation of drift-free optical measurement technology – minimizing operational costs and removing the need for routine calibration.

• Measurement performance (dissolved oxygen)
  Range
  – 0 to 50 ppm (0 to 50 mg/l)
  – 0 to 450 % saturation at 25 °C and 760 mm Hg
• Accuracy / maximum measured error
  – ±0.1 ppm (0 to 8 ppm)
  – ±0.2 ppm (8 to 20 ppm)
  – ±10 % of reading (20 to 50 ppm)
• Resolution
  – 0.01 ppm (mg/l)
• Response time
  – T90 <45 sec; T95 <60 sec @ 25 °C (77 °F)
• Measurement performance (temperature) Range
  – 0 to 50 °C (32 to 122 °F)
• Accuracy
  ±0.1 °C (0.18 °F)
• Maintenance
  – Sensor cap replacement
  24 months
• Environmental data
  – Operating temperature range
  0 to 50 °C (32 to 122 °F)
  – Pressure limit
  10.3 bar (150 psi) maximum
  – Flow rate
  None required
  – Storage temperature range
  –5 to 60° C (23 to 140° F)