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CS510 OxyGuard Dissolved Oxygen Probe
2
2. Specifications
Principle of Measurement: Membrane covered polarographic oxygen probe—
self polarizing galvanic cell
Output Signal: 5 mV per mg/l, 2 mV per %/vol nominal
Accuracy: Better than +/- 2 % of reading +/- 1 digit when calibration
temperature equals measuring temperature +/- 5 C
Repeatability: Better than +/- 0.2 mg/l; Better than +/- 0.5 %/vol when
barometric pressure unchanged
Output Impedance: 1 kOhm nominal
Response Time:
mg/l: 60 s for 90 % of 100 % step change at constant temperature
%vol: 10 s for 90 % of 100 % step change at constant temperature
Materials of Construction:
Probe body: POM (polyoxymethylene)
O-rings: Viton
Membrane: 0.05 mm (2 mil) Teflon
Dimensions and Weight:
58 mm diameter by 59 mm high (2-1/4 inch diameter by 2-1/4 inch high)
350 g (3/4 lb) including standard 3 m (10 ft) cable length
Cable: 2-conductor, 0.75 square mm (16 gauge), standard length 3 m (10 ft);
other lengths available upon request
Operating Conditions: Temperature: 0 to 50 C (32 to 122 F)
Pressure: Maximum 10 atmospheres (147 psig)
Minimum Submersion Depth: 60 mm (2 ½ in)
Minimum Water Flow: 2.5 cm/s (1 in/sec) across membrane
Calibration: In air or in air saturated water. Use of EasyCal calibrator optional.
Temperature Compensation: Automatic from 4 - 40 C (40 - 104 F)
Probe Options:
Type I Type II
Range of dissolved
oxygen
0-50 mg/l, 0-500 % Sat 0-15 mg/l, 0-150 % Sat
Gaseous oxygen 0-100 %/vol 0-35 %/vol
Electrode materials Ag cathode/Zn anode Ag cathode/Pb anode
Probe electrolyte NaCl Na
2
CO
3