Stratos Multi E401N
163
12.8.4 Oxygen
Digital input Memosens
Standard measurement/
Trace measurement/
TAN option FW-E016
Input for amperometric Memosens sensors: Terminals 1 … 5 or MS095N module
Display range
Temperature: -20.0 ... 150.0 °C/-4 ... 302 °F
Measurement error
Depending on sensor
Digital input SE740
Input for SE740 optical oxygen sensor: Terminals 1 … 6
Measuring range
0 … 300 % air saturation
Detection limit
0.01 vol%
Response time T98
< 30 s (at 25 °C/77 °F, from air to nitrogen)
Display range
Temperature: -10,0 ... 130,0 °C/14 ... 266 °F
The sensor does not supply any oxygen measured values above 80 °C/176 °F.
Measurement error
Depending on sensor
Module input, analog
Standard
Sensors: SE 706; InPro 6800; Oxyferm
Input range
Measuring current -600 … 2 nA, resolution 10 pA
Measurement error
1)
< 0.5 % of measured value + 0.05 nA + 0.005 nA/K
Trace measurement
TAN option
FW-E016
Sensors: SE 707; InPro 6900; Oxyferm/Oxygold
Input range I
Measuring current -600 … 2 nA, resolution 10 pA
Automatic range selection
Measurement error
1)
< 0.5 % of measured value + 0.05 nA + 0.005 nA/K
Input range II
Measuring current -10000 … 2 nA, resolution 166 pA
Automatic range selection
Measurement error
1)
< 0.5 % of measured value + 0.8 nA + 0.08 nA/K
Polarization voltage
-400 ... -1000 mV, default -675 mV
Resolution < 5 mV
Permissible guard current
≤ 20 µA
Temperature input via module
NTC 22 kΩ/NTC 30 kΩ
2-wire connection, adjustable
Measuring range
-20.0 ... 150.0 °C/-4 ... 302 °F
Adjustment range
10 K
Resolution
0.1 °C/0.1 °F
Measurement error
1)
2)
< 0.5 K (< 1 K at > 100 °C / > 212 °F)
Operating modes
Measurement in gases
Measurement in liquids
Measuring ranges
Standard sensor (analog, Memosens, SE740)
Saturation
3)
0.0 ... 600.0 %
Concentration
3)
(dissolved oxygen)
0.00 ... 99.99 mg/l (ppm)
Volume concentration in gas
0.00 ... 99.99 vol%
Trace sensor “01” (analog, Memosens)
1)
At rated operating conditions
2)
± 1 count, plus sensor error
3)
For temperature range -10 ... 80 °C/14 ... 176 °F