Portamess 911 Oxy - Knick Elektronische MeÃgeräte GmbH & Co.
Portamess 911 Oxy - Knick Elektronische MeÃgeräte GmbH & Co.
Portamess 911 Oxy - Knick Elektronische MeÃgeräte GmbH & Co.
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Specifications for SE 302 / 303 sensors<br />
Function principle<br />
Dimensions:<br />
Body length<br />
Body diameter<br />
Cable length<br />
Materials:<br />
Membrane<br />
Body<br />
O-rings<br />
<strong>Co</strong>nnection<br />
Temp detector<br />
Membrane-covered, amperometric sensor<br />
120 mm<br />
12 mm<br />
SE 302: 1.5 m<br />
SE 303: 5 m<br />
T-96: Teflon/silicone/Teflon<br />
(reinforced with steel mesh)<br />
PPS<br />
Viton®, silicone<br />
Cable with SixPlug connector<br />
NTC 22 kΩ<br />
Temperature range 0 to 60 °C<br />
Ambient conditions<br />
Air humidity 0 to 100 %<br />
Sensor signal<br />
in room air:<br />
in oxygen-free<br />
medium<br />
50 to 110 nA at 25 °C<br />
< 0.3 % of signal in room air<br />
Range 0.01 to 60 mg/l at 25 °C<br />
Detection limit<br />
Response time t 98%<br />
Accuracy<br />
< 0.3 % of signal in room air, max 30 ppb<br />
< 90 s at 25 °C, from air to nitrogen<br />
±1 % of signal, max ±30 ppb<br />
Dependency on flow < 5%, 1% at 0.3 m/s<br />
Polarization voltage<br />
Polarization time<br />
-675 mV<br />
< 6 h<br />
Regeneration Electrolyte and membrane module replaceable, see page 30<br />
Submersibility<br />
5 m<br />
Appendix<br />
36
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