Optical dissolved oxygen sensor ADS420
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.
Documentation
Specifications
Overview
Featuring ABB’s EZLink technology, users of ABB’s DO system benefit from plug-and-play connectivity, automatic sensor recognition / set-up, predictive diagnostics and enhanced measurement accuracy.
Users benefit from:
– No calibration required
– No sensor drift
– Fast speed of response
– Minimized installation and maintenance time
– Resistant to abrasion and photobleaching
– No loss of performance, 2 year sensor cap life
Data
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)
Benefits
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