Dissolved Oxygen
Optical sensor for dissolved oxygen.
Calibration-free measuring sensor for dissolved oxygen according to the luminance method. Digital value transmission to the controller. No interference by H2S, reducing or oxidizing substances. Evaluation via display unit. The dissolved oxygen sensor is available with a 10 m or a 2 m fixed cable. |
Measurement principle | Luminescence | |
Parameter | Dissolved Oxygen | |
Measurement range | 0...20 mg/L 0...20 ppm 0...200 % | |
Measurement accuracy | ± 0.1 mg/L ± 0.1 ppm ± 1 % | |
Resolution | 0.01 | |
Measurement interval | > 5 s | |
Resolution (temperature) | 0.01 °C | |
Accuracy (temperature) | 0.5 °C | |
Membrane Cap | No cross-sensitivity with : pH 1 – 14 ; CO2, H2S, SO2 Cross-sensitivity to Organic solvents, such as acetone, toluene, chloroform or methylene chloride Chlorine gas | |
Material | Standard Version in passivated Stainless steel 316L body, strainer and screw, For Seawater application Version in Titanium body, strainer and screw, Cable : polyurethane jacket Steam gland : Polyamide Patch with active material (black) – Membrane : Optical isolation silicon | |
Dimensions (L x Ø) | 146 mm x 25 mm | ~ 5.7˝ x 1˝ |
Weight stainless steel | ~ 450 g | ~ 1 lbs |
Weight titanium | ~ 300 g | ~ 0.7 lbs |
Interface | RS-485 (Modbus RTU) | |
Power consumption | 1 W | |
Power supply | 12 V (± 10 %) | |
Sensor cable | 2 m and 10 m | |
Calibration/maintenance interval | 2 years | |
Warranty | 1 Year (EU & US: 2 years) on electronics; All wearing parts are not included in the warranty | |
Max. pressure | 5 bar | ~ 72.5 psig |
Protection type | IP68 | NEMA 6P |
Sample temperature | 0...+50 °C | ~ +32 °F... +122 °F |
Ambient temperature | 0...+50 °C | ~ +32 °F... +122 °F |
Storage temperature | -10...+60 °C | ~ +14 °F... +140 °F |
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