Technical Data - ProMinent DULCOTEST DO 1-mA-20 ppm Instrucciones De Servicio

Technical data

Measured variable
Sensor type
Applications
Measurement range
Sensor accuracy
Time constant
Response time
Temperature range
Pressure
Flow (sample water)
Cross-sensitivity
Shelf life of sensor unit
Materials
Sensor cable
48
15 Technical data
Dissolved oxygen
Amperometric, membrane covered 2-electrode sensor
(Clark principle)
Control and monitoring of aeration processes in sewage plants, the
monitoring of fish farming plants, aeration of raw water in waterworks
and appraising the quality of surface waters.
Recommended (optimum response time and sensor unit service life)
for DO 1-mA-20 ppm
for DO 2-mA-10 ppm
At corrected atmospheric pressure and salt content (sensor auto-
matically corrects temperature)
± 0.5 % from recommended maximum measured value:
DO 1-mA-20 ppm
DO 2-mA-10 ppm
40 s
DO 1-mA-20 ppm
DO 2-mA-10 ppm
Sample metering fluid 0 °C to +40 °C
Maximum 1 bar
At least 0.05 m/s
Dissolved oxidising and reducing gases (for the most part irrelevant
for the target applications (see chap. 4))
2 - 3 years (if used under normal operating conditions)
Transmitter:
PBT/PC, electronics
Sensor insert:
PBT/PC, gold, silver, silver chloride, potassium chloride solution,
PTFE membrane
Two-core, screened PVC cable, 2 x 0.75 mm
Cable, length: 10 m
2.0 - 20 ppm
0.1 - 10 ppm
0.1 ppm
0.05 ppm
= 110 s
= 22 s
2 (18 AWG)
ProMinent ®