CS510 OxyGuard Dissolved Oxygen Probe

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:

58mm diameter by 59 mm high (2-1/4 inch diameter by 2-1/4 inch high)

350g (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

0-50 mg/l, 0-500 % Sat

0-15 mg/l, 0-150 % Sat

oxygen

 

 

Gaseous oxygen

0-100 %/vol

0-35 %/vol

Electrode materials

Ag cathode/Zn anode

Ag cathode/Pb anode

Probe electrolyte

NaCl

Na2CO3

2