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I

NTRODUCTION

The YSI Model 5905/5010 BOD (Biochemical Oxygen
Demand) probe is used for measuring dissolved oxygen in all
popular size BOD bottles. This probe features self stirring, an
easily replaced membrane cap, and a refurbishable electrode
system.

The 5905 probe is designed for use with all YSI dissolved
oxygen meters, except for the Model 55 or Model 95. It must
be used with an adapter (5011) in order to be used on the
Model 5000 and 5100.

The 5010 probe is specifically designed for use with the Model
5000 and 5100 only.

This manual also applies to probes 5905-J, 5905-K, 5905-L,
5905-W (Appendix A), and probes 5010-J, 5010-K, 5010-L,
and 5010-W (Appendix A)

IMPORTANT

Intended Use

The 5905/5010 probe is intended for laboratory use, not field
use. It is not waterproof and should never be immersed past
the taper on the stem of the probe.

Summary of Contents for YSI 5010

Page 1: ...YSI 5905 5010 BOD Probe Instruction Manual ...

Page 2: ......

Page 3: ...CHANGING MEMBRANE CAPS FIGURE 2 3 WARM UP 5 ELECTRODE CLEANING FIGURE 3 5 OPERATING PROCEDURES AND PRECAUTIONS 7 PROBLEM SOLVING 9 TROUBLE SHOOTING GUIDE 9 SERVICING 11 WARRANTY AND REPAIR 13 CLEANING INSTRUCTIONS 15 PACKING INSTRUCTIONS 16 PROBE SPECIFICATIONS 18 APPENDIX A 19 APPENDIX B 20 ...

Page 4: ...ii ...

Page 5: ... meters except for the Model 55 or Model 95 It must be used with an adapter 5011 in order to be used on the Model 5000 and 5100 The 5010 probe is specifically designed for use with the Model 5000 and 5100 only This manual also applies to probes 5905 J 5905 K 5905 L 5905 W Appendix A and probes 5010 J 5010 K 5010 L and 5010 W Appendix A IMPORTANT Intended Use The 5905 5010 probe is intended for lab...

Page 6: ...lectrolytic cell and acts as a reference electrode Upon entering the cell through the membrane oxygen is reduced at an applied potential of 0 8 V referenced to the silver electrode The reduction current at the cathode is directly proportional to the partial pressure of oxygen in liquid expressed as air saturation which is also proportional to the concentration of dissolved oxygen in mg L at a part...

Page 7: ...raight out 2 Unscrew the old membrane cap from the probe Before installing a new membrane clean the probe tip with deionized water in order to remove any contaminants 3 Hold the membrane cap and fill it at least full with the electrolyte solution provided Screw the membrane cap onto the probe moderately tight A small amount of electrolyte should overflow 4 Rinse off excess electrolyte from the pro...

Page 8: ...4 Fill Membrane Cap with Solution Unscrew Cap Remove Stir Paddle Screw Cap on moderately tight Replace Stir Paddle Figure 2 Membrane Installation on the 5905 5010 Probe ...

Page 9: ... gold cathode must be textured properly It can become tarnished or plated with silver after extended use The gold cathode can be cleaned by using the adhesive backed sanding disc provided in the 5906 Membrane Kit Stick the disc to a small flat object like a bottle cap then sand the gold with a twisting motion about 3 times or until all silver deposits are removed and the gold appears to have a For...

Page 10: ... Silver Anode It is normal for a dark layer of silver chloride to cover the silver anode After prolonged use it may become necessary to clean the anode Soak the probe in a 14 ammonium hydroxide solution for 2 to 3 minutes or overnight in a 3 ammonium hydroxide solution Rinse with deionized water recharge with electrolyte and install a new membrane ...

Page 11: ...bling through it e g nitrogen argon The meter should read less than 1 dissolved oxygen in either of these environments If it does not change the membrane or clean the probe Membrane Life Membrane life depends on use Membranes will last longer if installed properly and treated with care during use Erratic readings will result from loose wrinkled or fouled membranes or from bubbles larger than 1 8 i...

Page 12: ... and strong solvents that may attack the probe Probe materials that may be damaged by these substances include FEP Teflon EPR rubber ABS plastic and stainless steel Erroneous Readings Erroneous readings may occur if the membrane is coated with oxygen consuming bacteria or oxygen evolving algae Heavy residue may coat the membrane causing incorrect readings Frequent membrane changes will eliminate t...

Page 13: ...librate Allow approximately 30 min for probe to polarize when first turned on Change membrane Clean probe see instructions under Electrode Cleaning Does not return to calibration value Allow sufficient time for temperature and oxygen stabilization Check for water droplets on membrane Change membrane Clean probe see instructions under Electrode Cleaning ...

Page 14: ...hange membrane Clean probe see instructions under Electrode Cleaning Motor not working Check power supply Manually turn the stir paddle to help start the motor Replace motor Loud motor Check if stir paddle is pushed all the way in Replace motor Membrane cap is tight Use pliers to loosen the cap turn counter clockwise while facing sensor tip ...

Page 15: ...the following steps 1 Remove stir paddle by pulling it straight out 2 Remove the two screws A on the outside of the housing using a 3 32 Allen wrench 3 Loosen the top nut of the cable strain relief B from the housing This will allow the cable to feed through the housing assembly 4 Pull the probe and motor assembly out of the housing and disconnect the two plugs C 5 To remove the motor assembly fro...

Page 16: ...12 Housing Assembly Motor Assembly Probe Assembly Stir Paddle A B A D D C C Figure 4 Exploded View of 5905 5010 Probe ...

Page 17: ...eplacement Limitation of Warranty This Warranty does not apply to any YSI product damage or failure caused by i failure to install operate or use the product in accordance with YSI s written instructions ii abuse or misuse of the product iii failure to maintain the product in accordance with YSI s written instructions or standard industry procedure iv any improper repairs to the product v use by y...

Page 18: ...ICE CENTERS For the nearest authorized service center contact YSI Technical Support 1725 Brannum Lane Yellow Springs Ohio 45387 Phone 1 937 767 7241 800 897 4151 US Fax 1 937 767 9353 E Mail environmental ysi com www ysi com ...

Page 19: ... withhold service until appropriate cleaning decontamination and certification has been completed We will contact the sender for instructions as to the disposition of the equipment Disposition costs will be the responsibility of the sender When service is required either at the user s facility or at YSI the following steps must be taken to insure the safety of our service personnel 1 In a manner a...

Page 20: ...mage 5 Cleaning must be completed and certified on any product before returning it to YSI PACKING INSTRUCTIONS 1 Clean and decontaminate items to insure the safety of the handler 2 Complete and include the Cleaning Certificate 3 Place the product in a plastic bag to keep out dirt and packing material 4 Use a large carton preferably the original and surround the product completely with packing mate...

Page 21: ... _______________ State ______ Zip ________ Country __________________ Model No of Device ______ Lot Number _________ Contaminant if known _____________________ Cleaning Agent s used _____________________ Radioactive Decontamination Certified Answer only if there has been radioactive exposure ___ Yes ___ No Cleaning Certified By _________________________ Name Date ...

Page 22: ...ssolved Oxygen Accuracy 0 1 mg L or 2 of reading whichever is greater Operating Temperature Range 15 to 35 C Temperature Accuracy 0 2 C Polarizing Voltage 0 8 volts Response Time Typical response to a step change in dissolved oxygen at 20 C is 90 of the change in 30 seconds ...

Page 23: ...ncludes an adapter to fit 5 taper per side smaller bottles with built in overflow funnels 5905 K 5010 K Includes a s 19 funnel 5905 L 5010 L Includes a s 24 funnel 5905 W 5010 W 6 long probe for use with wine bottles The 5010 probe will only work with the Model 5000 and 5100 Instruments A 5905 probe will also work on these instruments by using a 5011 plug adapter T T ...

Page 24: ...110593 110592 110591 N A 073035 073047 005011 5905 L 059880 059902 115904 110594 110591 059911 073035 073047 005011 5905 K 059880 059902 115904 110594 110591 059933 See dealer See dealer 005011 5905 J 059880 059902 115904 110592 110591 059929 073035 073047 005011 5905 059880 059895 110590 110592 110591 N A 073035 073047 005011 Description 5906 Membrane Kit 6 membrane caps KCl solution and sanding ...

Page 25: ...1725 Brannum Lane Yellow Springs Ohio 45387 USA 059882 Web 937 767 7241 800 765 4974 A59882H Fax 937 767 9353 September 99 Info YSI com www YSI com 1997 YSI Incorporated ...

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