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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 r/- 1 digit when calibration

temperature equals measuring tempe/- 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

Содержание Oxyguard CS510

Страница 1: ...CS510 OXYGUARD DISSOLVED OXYGEN PROBE INSTRUCTION MANUAL 1 00 COPYRIGHT c 2000 CAMPBELL SCIENTIFIC INC ...

Страница 2: ...This is a blank page ...

Страница 3: ... of sale and return policy apply to these items Products may not be returned without prior authorization To obtain an RMA number contact Point Four Systems Inc phone 604 936 9936 NOTE if the product has been exposed to hazardous media it must be fully decontaminated and neutralized prior to return to Point Four Systems ...

Страница 4: ...This is a blank page ...

Страница 5: ...xygen present in the medium in which it is placed The probe consists of two parts an upper part with cathode anode and cable and a lower part comprising a screw on membrane cap with fitted membrane The cap is filled with electrolyte and simply screwed onto the top component The probe is self polarizing and requires no external power source There are only two wires to connect Cable length is rarely...

Страница 6: ...gs 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 Submers...

Страница 7: ... accurate calibration 5 Optional Agitator The PT4 Agitator is a reliable and robust agitator for use in conjunction with probes subjected to bio fouling in ponds and stagnant water conditions O2 probes require a minimum water velocity across their membranes to function properly Therefore to measure DO in stagnant water conditions it is necessary to move the water past the membrane to get accurate ...

Страница 8: ...elocity as well as prevents the membrane from becoming bio fouled The optimum sweeping frequency depends upon the design of probe and type of membrane used and water conditions An ON time of 0 25 seconds and OFF time of 5 seconds is suitable in most circumstances Agitator s overall size 7 1 8 x 3 1 4 diameter 1 1 4 lb 180mm x 83mm 0 6 kg Supplied with 10 ft 3 meters cable Power required 10 5 to 18...

Страница 9: ...t 7 Wiring The OxyGuard probe uses one differential channel Differential wiring is better at rejecting electrical noise and ground loop error Red 1H Blue 1L 8 Programming Instruction 2 differential millivolt measurement is required for the OxyGuard probe The example measurement instructions that follow do not store data to final storage Additional instructions Typically P92 P77 and output processi...

Страница 10: ...not scratch it clean with your fingernail Please see the OxyGuard manual for complete maintenance procedures 11 Agitator Control In low flow conditions less than about 2 cm sec it may be necessary to add an agitator to the OxyGuard probe The distributor for OxyGuard in North America sells a self timed agitator which can be purchased through Campbell Scientific The self timed agitator requires no d...

Страница 11: ...er as wired 2 Excitation with Delay P22 1 1 Ex Channel 2 0 Delay W Ex units 0 01 sec 3 25 Delay After Ex units 0 01 sec 4 0 mV Excitation 3 Do P86 1 51 Set Port 1 Low The above example is not as power efficient as possible and would require AC power If it is necessary to operate an agitator without AC power available write the program so that the agitator is only operated for a short period of tim...

Страница 12: ...CS510 OxyGuard Dissolved Oxygen Probe 8 This is a blank page ...

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