Specifications – Campbell Scientific CS512 Dissolved Oxygen Probe User Manual

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Campbell Scientific CS512 Oxyguard Type III Dissolved Oxygen Probe

2. Specifications

Principle of Measurement:

Membrane covered galvanic oxygen probe

Output Signal:

2.5 to 5 mV per mg 1

-1

Repeatability:

Better than

±0.2 mg/l calibration temperature

equals measuring temperature

±5°C

Output Impedance:

∼1 kohm

Response Time:

After equilibration, 1 minute for 95% of final
value

Materials of Construction:
Probe

body:

O-rings:

Membrane:

Delrin
Membrane O-ring = Buna N
Body Seal O-ring = Viton
0.05 mm (2 mil) Teflon

Dimensions and Weight:

2.28” diameter x 2.3” height
15.9 oz.

Cable:

standard length 7 m (23 ft); other lengths
available upon request
2-wire 22 awg shielded, PVC jacketed

Operating Conditions:
Temperature
Pressure:

Minimum Submersion Depth:

Minimum Water Flow:

° to 40°C (32° to 122°F)

0 to 29 psig
60 mm (2 ½ in)
1 cm/s (.39 in/sec) across membrane

Calibration:

In air or in air saturated water

Temperature Compensation:

Automatic from 4

° - 40°C (40° - 104°F)

Range of Dissolved Oxygen:

0-20 mg/l, 0-200% Sat

Ships with:

5 spare membranes with O-rings
50 ml electrolyte
cathode cleaning pad