Campbell Scientific CS512
Oxyguard Type III
Dissolved Oxygen Probe
Revision: 12/06
C o p y r i g h t © 2 0 0 1 - 2 0 0 6
C a m p b e l l S c i e n t i f i c , I n c .
Page 1: ...Campbell Scientific CS512 Oxyguard Type III Dissolved Oxygen Probe Revision 12 06 C o p y r i g h t 2 0 0 1 2 0 0 6 C a m p b e l l S c i e n t i f i c I n c ...
Page 2: ...eu of all other warranties expressed or implied including warranties of merchantability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization The following contact information is for US and International customers residing in countries served by Campbell Scientific ...
Page 3: ...nformation 1 2 Specifications 2 3 Optional Probe Accessories 3 4 Optional Agitator 3 5 Application Information 4 6 Wiring 4 7 Programming 5 8 Calibration 6 9 Maintenance 7 10 Agitator Control 7 Appendix A Dissolved Oxygen in Fresh Water Table A 1 Figures 1 1 CS512 1 4 1 Preventing Bio fouling of the CS512 3 4 2 CS512 with PT4 Agitator 4 10 1 Agitator Wiring 7 Table 6 1 Sensor Wiring 4 ...
Page 4: ...g P2 5 3 Sample Program using VoltSE 5 4 Sample Program using VoltDiff 5 5 Sample Program using VoltSE 5 6 Sample Program using P36 6 7 Sample Program using Expression 6 8 Sample Program using P86 and P22 Instructions 8 9 Sample Program using Portset 8 10 Sample Program using Portset 8 ...
Page 5: ...s the probe produces a millivolt output proportional to the oxygen 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 sour...
Page 6: ...lrin 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 0 to 40 C 32 to 122 F 0 to 29 psig 60 mm 2 in 1 cm s 39 in sec across membrane C...
Page 7: ...ces the water also has a high bio loading and the probes become fouled resulting in inaccurate DO measurements FIGURE 4 1 Preventing Bio fouling of the CS512 The PT4 Agitator overcomes these problems The device is designed so that a soft bristle brush sweeps across the probe membrane or sensor tip This sweeping action of the brush provides the required water velocity as well as prevents the membra...
Page 8: ...pplication Information SCWin users This manual was written primarily for those whose needs are not met by SCWin Your procedure is much simpler just add the CS512 probe it s in the water folder save your program and follow the wiring shown in Step 2 of SCWIN 6 Wiring The CS512 probe can use one differential channel or one single ended channel Differential wiring is better at rejecting electrical no...
Page 9: ...V 60 Hz Rejection Range code 23 used for CR23X 3 1 SE Channel 4 1 Loc DOmV 5 1 0 Multiplier See Calibration 6 0 0 Offset EXAMPLE 2 Sample Program using P2 1 Volt Diff P2 1 1 Reps 2 24 250 mV 60 Hz Rejection Range code 23 used for CR23X 3 1 DIFF Channel 4 1 Loc DOmV 5 1 0 Multiplier See Calibration 6 0 0 Offset In the CR1000 CR800 CR850 and CR3000 dataloggers instruction VoltDiff or VoltSE is used ...
Page 10: ...sing a multiplier of one 6 Change the multiplier in the datalogger program from one to the calculated number A more common way to enter the multiplier is to insert a separate instruction in the program This will allow a new multiplier to be added to the program without rewriting compiling and downloading the program to the data logger In the CR510 CR10X and CR23X use Instruction P36 The multiplier...
Page 11: ...epeat cycle timer requires no datalogger programming However some users choose to use a solid state relay and have the datalogger agitate the water on the probe face either periodically throughout the day or just before measurement Agitating just before the measurement saves on power and causes less wear and tear on the agitator and probe membrane The wiring for the agitator as controlled by this ...
Page 12: ...set instruction EXAMPLE 9 Sample Program using Portset Portset 1 1 Delay 500 msec Portset 1 0 In the CR1000 CR800 CR850 and CR3000 dataloggers use the Portset instruction EXAMPLE 10 Sample Program using Portset Portset 1 1 Delay 1 500 msec Portset 1 0 The above example is not as power efficient as possible and would require AC power to maintain a sufficient battery charge If it is necessary to ope...
Page 13: ...A 1 Appendix A Dissolved Oxygen in Fresh Water Table ...
Page 14: ...Appendix A Dissolved Oxygen in Fresh Water Table A 2 ...
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