Details

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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

Versions