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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.

Specification


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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