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 Model <strong>911</strong> <strong>Oxy</strong><br />
DO input<br />
Input for SE 302 / SE 303 dissolved oxygen sensors,<br />
various process sensors with 4-pole or VP cap<br />
Saturation 0 to 600 % (0 °C to 55 °C) 1)<br />
configurable to 0.0 to 199.9 % in the range 0 to 200 %<br />
Meas. range<br />
Measuring current 0 to 600 nA<br />
Meas. error 2,3,4) 0.5 % meas.val. + 0.2 %<br />
<strong>Co</strong>ncentration<br />
Meas. error 2,3,4)<br />
Barometric pressure<br />
Salt correction<br />
Calibration<br />
cal<br />
0.00 to 60.0 mg/l (0°C to 55°C)<br />
configurable to 0.00 to 19.99 mg/l in the range 0.0 to 20.0 mg/l<br />
0.5% meas.val. + 0.05mg/l<br />
700 to 1080 hPa<br />
<strong>Co</strong>nfigurable to 0.00 to 45.00 g/kg<br />
Solubility function to EN 25814<br />
0 = switched off, SA icon inactive<br />
Automatic with water-saturated air in quiver,<br />
Zero calibration possible<br />
Calibration range Zero point ±2 nA<br />
Polarization voltage<br />
Slope<br />
675 mV<br />
25 to 130 nA<br />
Cal timer 0 to 14 days default setting 6 days<br />
Pressure correction<br />
Temperature input<br />
Automatic using integrated pressure sensor<br />
NTC 22 kΩ integrated in DO sensor<br />
Meas. range -5.0 to +55.0 °C / 23 to +131 °F<br />
Resolution 0.1 °C / 1 °F<br />
Meas. error 2,3,4)<br />
Temperature<br />
compensation<br />
< 0.5 K<br />
Automatic with NTC<br />
Appendix<br />
34
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