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6-Series Manual

1. O O 6 O 1 O 2 2 Power Supply 15 16 12 1 1 i 1 FLI DI D2 K2 K3 1 2 D3 D4 10 J2 D19 20 D5 D6 D7 D8 D20 1 30 BE Ul 8 1 8 110 MS 8 Sonde J3 JA Connector I O Board Assembly YSI Incorporated Environmental Monitoring Systems Service Manual 82 6500 Environmental Process Monitor Section 10 Display 0000000000 Display Board Assembly YSI Incorporated Environmental Monitoring Systems Service Manual 83 SECTIO N 11 610D DM DISPLAY LO G G ERS 11 1 SOFTWARE UPDATES YSI 610 software may be updated from time to time This is simple since the 610 uses non volatile FLASH memory to hold the software New 610 software can be installed by using a PC To update software all you need is download it from YSI s website at or you can request a copy of the YSI 610 software update diskette from YSI Customer Service Everything else you need comes with the standard YSI 610 kit The 610 software update diskette contains two files used for update and may contain other files The two files are AOUT AOS3 that contains the new 610 software and LOAD4 EXE which is a PC program you run to send the new 610 software to the 610 When loading new 610 software the entire keyboard will appear to work incorrectly This is normal Follow
2. E Ga rs Bu cs ee evoe 9 ond CABLE CONNECTOR 600R CIRCUIT BOARD 29 SECTION 5 600XLSONDE 941 SO N DE DISASSEM BLY ASSEM BLY When used for its intended purposes and maintained according to YSI s recommendations the 600XL sonde assembly will rarely need internal servicing However if service is required and the sonde must be opened the instructions provided below should be followed or permanent damage to the sonde may occur WARNINGS gt Opening of the sonde by non authorized service personnel will void the warranty gt The 600XL s internal Printed Circuit Board PCB contains static sensitive devices Disassemble the sonde at a static safe workstation or permanent damage may occur gt Do not use a screwdriver or other device to pry apart the assembly or permanent damage may occur Tools required 7 64 hex wrench small standard screwdriver lint free cloth and stopcock grease DISASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure 1 Thoroughly dry the outside of the sonde using an absorbent cloth Install the sensor guard to protect probes 2 Remove the two 7 64 hex screws located at the end of the sonde tube closest to the end cap cable connector 3 Grasp the sonde tube with one hand and the end cap with the other hand Carefully twist the two sec
3. Algae or other contaminant Rinse DO probe with clean Barometric pressure entry is Repeat DO cal procedure m Cal at extreme temperature Recal at or near sample lenge DO Charge too high gt 75 Enable DO charge parameter 610 Anodes polarized in the Sonde report menu Run tarnished 6920 if charge is over 75 2 Probe left on continuously recondition probe with 6035 Maintenance Kit Follow DO cleaning procedure Insufficient electrolyte membrane Poor probe performance Probe output must start at a high DO value and go lower at initial power up If DO output starts low and climbs or a negative number appears the probe is defective DO gain range outside of 0 7 to If the ranges are outside these 1 7 or the DO charge range is numbers the probe needs outside 25 to 75 reconditioned YSI Incorporated Environmental Monitoring Systems Service Manual 6 Troubleshooting Section 2 Dissolved Oxygen When DO sensor is removed If the output is outside this reading unstable or on units that this is possible range the connections are inaccurate the output is NOT 0 to 1 2 contaminated and need to be cleaned Rinse both the probe and bulkhead connectors in warm water and let soak for 15 min Then rinse with DI water and allow drying overnight with the parts disassembled DO probe has been damaged Replace 6562 probe Internal failure pH ORP chloride Probe requires cleaning Follow probe cleaning ammo
4. Assembly Drawing YSI Incorporated Environmental Monitoring Systems Service Manual 35 600XL Sonde Section 5 5 5 REPLA CEM EN T PARTS UST Drawing YSI Item Description Comments Bubble Number 063051 Sonde Tube ERAT 065821 Overlay 600XL Self adhesive 001513 Cap Screw 6 32 250 SS Shallow Medium 6 065873 Depth Module Assy Vented Shallow DL w PCB 7 001513 Cap Screw 6 32 250 SS 059862 O ring 070 D 1 239 ID in early units with small diameter O 9 065819 063018 Weight SS 1 p 069583 Lid Transport cup AI large diameter O ring 13 069584 Tube Clear TransportCup 17 169444 Printed Circuit Board Assy 6 Series Units with depth must use item 065872 065832 or 065873 18 063090 Connector End Cap Nonvened 19 63990 Connector End Cap Vented Cable Assy Integral 25 Non vented 33650 Cable Assy Integral 50 Non vented 63565 Cable Assy Integral 100 Non vented 00220000004 Cable Assy Integral 200 Non vented 24 063137 Cable Assy Integral 25 Vented Cable Assy Integral 507 Vented _ 06807 OmingPotPlug 069582 Calibration Transport Cup Kit Clear 062763 _ Connector 20 pin Amp Used on Bulkhead 063089 Pressure Cap Assembly o 065597 DesiccantPack YSI Incorporated Environmental Monitoring Systems Service Manual 36 600
5. BULKHEAD ASSEM BLY 6 062768 O ring 239 070D e 006581 PobepHGhss 9 063080 DOPob ft YSI Incorporated Environmental Monitoring Systems Service Manual 27 600R Sonde Section 4 4 5 REPLA C EM EN T PARTS LIST Number 063636 Plug pH pH Reference and Glass Ports 063023 Plug DO 063632 Includes Conductivity Temperature 063051 Also Need 063021 006583 O rings Lubricant Cleaning Brush 059862 O ring EPR 1 239 Sonde Tube 001513 Retain Sonde Tube Hex Head 059851 Retain PCB to Standoff 063130 Includes Sonde End Cap 063131 Cable Assy Integral 50 Includes Sonde End Cap 063132 Includes Sonde End Cap 063133 Includes Sonde End Cap CONTENTS OF 6583 PM KIT item Number 063636 Plug pH pH Reference and Glass Ports 062768 pH and DO ports 063241 Transport Cup YSI Incorporated Environmental Monitoring Systems Service Manual 28 600R Sonde 4 6 Color Amp Connector pH Electrode Oxygen pH Reference Gay 2 Conductivity Hees Brown a GN Temperature BULKHEAD CONNECTOR COND TEMP Wire Side 20 pin Amp Connector D O ISE pH Reference Probe 600R Bulkhead YSI Incorporated Environmental Monitoring Systems Service Manual Section 4 BLO CK WIRING DIAGRAM Main Cable RS232TX 2 c Orange RS232RX 3
6. Once the plugs have been fully removed remove both O ring Screws from the bulkhead assembly with a Phillips screwdriver Grasp the bulkhead with one hand and the sonde body with the other hand and carefully pull the bulkhead away from the sonde body While pulling a slight twisting motion about 5 may assist the disassembly Please note that considerable force may be required to separate the two parts WARNING The bulkhead is connected to the internal PC board via wires To remove the PCB grasp the board on either side of the 20 pin connector and pull until the 8 pin connector at the top pulls free When removing the bulkhead from the PCB take note of the Turbidity connector and pull the connector from the PCB so that the pins remain on the wiring harness Using the large pliers or vise loosen the cable and remove it being careful not to scratch or damage the PVC piece For BCR connectors place the PVC base into a vise or use the pliers and turn entire sonde being careful not to damage or markup the PVC piece NOTE Do not use a wrench on the Stainless Steel Connector flats SO N DE ASSEM BLY 1 Before assembly inspect the sealing O rings and sealing surfaces for blemishes scratches and dirt Clean and lightly lubricate the O rings and sealing surfaces Dry the desiccant pack in a 120 F oven for 30 minutes Re install desiccant pack into sonde Plug the bulkhead wires onto the PCB Push the PCB into the sonde bod
7. YSI Incorporated Environmental Monitoring Systems Service Manual 76 SECTION 10 6500 PROCESS MONITOR 10 1 DISASSEM BLY ASSEMBLY OF 6500 MONITOR When used for its intended purposes and maintained according to YST s recommendations the 6500 will rarely require service However if service is required or the instrument must be opened the instructions provided below used in conjunction with the Assembly Drawing should be used during this procedure WARNINGS Opening the 6500 by non authorized service personnel may void the warranty The 6500 s internal printed circuit board contains static sensitive devices Disassemble following ESD Electro Static Discharge safe guidelines or permanent damage may occur Do not use a screwdriver or other device to pry apart the assembly or permanent damage may occur Tools required Slotted screwdriver and 5 32 hex key Front Panel and Display Board Removal Shut off AC power to the 6500 Monitor If wet thoroughly dry the outside of the 6500 using an absorbent cloth Loosen the four slotted screws positioned at the corners of the Front Panel Assembly Carefully remove the Front Panel Assembly Do not use a prying tool bare hands should be sufficient Bm The Display I O Cable is long enough to allow the Display PCB Assembly to be moved aside while work is performed or can be unplugged from the Display PCB Assembly for easy board removal or replacement gt The Display PCB Asse
8. Washington North Dakota Minnesota South Dakota Oregon Idaho ES New Hampshire New York Wyoming Massachusetts Nevada Utah Colorado West California Arizona New Mexico Tennessee North Oklahoma T Tennessee 277 Carolina 3 South Carolina eorgia maj Florida YSI Incorporated Environmental Monitoring Systems Service Manual 88 Warranty and Service Information Section 12 IN TERN ATIO N AL SERVICE CEN TERS YSI Incorporated YSI Incorporated Repair Center e 1725 Brannum Lane Yellow Springs Ohio e 45387 e Phone 937 767 7241 E Mail info ysi com Hydrodata Services Ltd Alexander Road London Colney AL2 1JB Phone 011 44 2737 827 837 Fax 011 4401727 827 838 YSI Japan Ltd Sakura Building 6 5 6 13 e Shinjuku Shinjuku ku Tokyo 160 Phone 81 3 5360 3561 e Fax 81 3 5360 3565 YSI Incorporated Environmental Monitoring Systems Service Manual 89 APPEN DIX A HEALTH AN D SAFETY YSI Conductivity solutions 3161 3163 3165 3167 3168 3169 INGREDIENTS Iodine Potassium Chloride Water WARNING INHALATION MAY BE FATAL CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION MAY EVOLVE TOXIC FUMES IN FIRE Harmful if ingested or inhaled Skin or eye contact may cause irritation Has a corrosive effect on the gastro intestinal tract causing abdominal pain vomiting and diarrhea Hyper sensi
9. 5 Skip to step 7 if sonde does not have depth Plug the 4 pin Amp connector from the bulkhead onto the 4 pin header coming from the depth module Make sure the wires match colors Yellow to Yellow Black to Black Etc Tuck the 4 pin depth connectors into the sonde tube 6 If your unit is NOT a vented depth unit then skip to step 7 If the depth module is vented then push the vent tube of the battery compartment onto the fitting of the depth module Be sure the vent tube is fully seated against the flange of the fitting and that no holes are present 7 Position the shock mount the last one installed so that it will be sandwiched between the battery compartment and the sonde tube similar to the first shock mount It is shaped to fit this area 8 Slide the PCB completely into the sonde tube and gather the wires from the bulkhead so they will not be pinched Be sure to tuck the 8 Pin Chlorophyll cable assembly into the sonde tube Warning When attaching the depth module to the sonde tube be sure the vent tube is not being pinched 9 Insert the depth module with bulkhead or bulkhead into the sonde while slowly rotating them 5 10 until they are both fully seated and the module s threaded inserts align with the holes in the sonde tube 10 Secure the depth module or bulkhead to the sonde tube with two 8 32 Cap Screws 062690 YSI Incorporated Environmental Monitoring Systems Service Manual 69 6600 Sonde Section 9 BATTERY C
10. CIRCUIT BOARD YSI Incorporated Environmental Monitoring Systems Service Manual 56 SECTION 8 6920 SONDE 8 1 SO N DE DISASSEM BLY ASSEM BLY When used for its intended purposes and maintained according to YST s recommendations the 6920 sonde assembly will rarely need internal servicing However if service is required and the sonde must be opened the instructions provided below should be followed or permanent damage to the sonde may occur WARNINGS Opening the sonde by non authorized service personnel will void the warranty The 6920 s internal printed circuit board contains static sensitive devices Disassemble the sonde at a static safe workstation or permanent damage may occur Do not use a screwdriver or other device to pry apart the assembly Permanent damage may occur Tools Required Phillips screwdriver nut driver 3 8 or larger prying block 1 2 x 3 4 x 3 O ring lubricant and pliers SO N DE DISASSEMBLY Reference the Assembly Drawing during this procedure 6 Pin Lemo pH ORP ISE 1 ISE2 Dissolved Oxygen 1 Thoroughly dry the outside of the sonde using an absorbent cloth Unscrew the sonde assembly and remove the batteries Screw Port 2 Remove the 4 screws than retain the connector cap assembly to the sonde tube and unplug the assembly s 8 pin connector from the board 3 Setaside the connector cap assembly Remove the prob
11. Plate I O Conn Pluggable 3 Conn Pluggable 12 Board Assy I O Board Assy Power Cable AC Standoff I O Plate Nutplate Plate Support Key Extender 6500 Environmental Process Monitor Section 10 10 3 EXPLODED VIEW OF 6502 BREAKOUT BOX Bubble Part Number Number Description 1 065912 Cable Sonde Interface 2 065932 Enclosure NEMA4X W Front 3 065940 Board Assy Breakout Box 4 065928 Nutplate 5 065929 Screw Sealing 6 065930 Gasket MS 8 7 065936 Cap Dust MS 8 8 065926 Fitting Conduit 9 065950 Washer Lkin 10 10 065958 Screw Cap 10 32 11 115981 Cover Assy Front W Gasket YSI Incorporated Environmental Monitoring Systems Service Manual 80 6500 Environmental Process Monitor Section 10 10 4 BLOCK DIAGRAM OF 6500 MONITOR DC Cable d m pin pin MS 8 Sonde AC Cable T TUE P S UO VO a 0 Pin 12 Jo 29 n ae n Neutral 1 Line 2 B Ground 3 C AC Power Input 90 240 VAC no Cable MS 8 VO Displa Board B T Assembly Assembly 2 12 DC Cable Display I O Cable YSI Incorporated Environmental Monitoring Systems Service Manual 81 6500 Environmental Process Monitor Section 10 10 5 BOARD ASSEM BUES
12. Power Connector Wire Side See Bulkhead Wiring Pin 1 Blk Batt Negative Pin 3 Red Batt Positive Diagram Ext Sonde 8 pin Amp Connector Wire Side Connector BULKHEAD CONN CAP ASSY 600XLM CIRCUIT BOARD YSI Incorporated Environmental Monitoring Systems Service Manual 47 SECTION 7 6820 SONDE This section is intended for use by a qualified service technician that has been authorized by YSI End users of the Model 6820 may find the illustrations and procedures in this chapter helpful in understanding and caring for the Model 6820 However disassembly of the sonde by a non authorized service technician will void the manufacturer s warranty If you need service or service support please contact the dealer from whom you purchased the product or the YSI Technical Support Group 7 1 SO N DE DISASSEM BLY ASSEM BLY When used for its intended purposes and maintained according to YST s recommendations the 6820 sonde assembly will rarely need to be opened for internal servicing However if service is required and the sonde must be opened the instructions provided below must be followed or permanent damage to the sonde assembly may result WARNING Opening of the sonde by non authorized service personnel will void the warranty The 6820 s internal Printed Circuit Board contains static sensitive devices Disassemble the sonde at a static safe workstation or per
13. The millivolt reading should be within 50 mV of the value in chart for Zobell solution millivolts versus temperature Re calibrate if required Rinse the sonde oA YSI Incorporated Environmental Monitoring Systems Service Manual 42 600XLM Sonde Section 6 DEPTH 1 Stretch out the 600XLM cable 2 Hold the end of a tape measure to the top hole in the depth plug The depth plug is located on the side of the depth module 3 Stretch the tape measure along the cable 4 For sondes with shallow depth capability place a piece of waterproof tape at 15 feet For medium depth capability place a piece of waterproof tape at 50 feet 5 Lower the 600XLM into still water until the tape line on the cable reaches the water s surface Check the readings Shallow sensors should read 15 06 feet Medium depth sensors should read 50 4 feet YSI Incorporated Environmental Monitoring Systems Service Manual 43 600XLM Sonde Section 6 6 4 SO N DE EXPLO DED VIEW S Assembly Drawing YSI Incorporated Environmental Monitoring Systems Service Manual 44 600XLM Sonde Section 6 6 5 REPLA C EM EN T PARTS LIST Drawing YSI Description Comments Bubble Number 1 067003 Bail 600XLM 067005 Cover Battery To 063089 Pressure Cap Assembly 062687 O ring 862 ID IN 116706 Battery Compartment Assy Non vented 5 116707 Battery Compartment Assy Vented 067010 Battery cover end seal 7 069236 Shock Mount PCB
14. point AdvancedlSetup menu 6500 appears to be Wait for DO and or Wait for Connect sonde to a terminal attempting to Filter are enabled in the sonde device and deactivate Wait for communicate with DO in the AdvancedlSensor sonde but actual menu and Wait for Filter in readings take several the AdvancedlData Filter menu seconds to appear YSI Incorporated Environmental Monitoring Systems Service Manual 11 SECTION 3 CARE MAINTENANCE AND STORAGE This section describes the proper procedure for storage of the sensors that will maximize their lifetime and minimize the time required to get the sonde ready for a new application This section will describe interim or short term storage between applications where the sonde is being used at a regular interval daily weekly biweekly etc and long term storage e g over the winter when the sonde will not be used on a regular basis for several months In the descriptions and instructions below it is assumed that the user has retained the vessels bottles boots etc in which the individual sensors were stored on initial delivery If these specific items have been misplaced or lost they can be replaced by contacting YSI Customer Service Alternatively the user may have similar and equally acceptable storage equipment on hand even though it was not part of the original YSI package Common sense should be the guide on substitution of storage vessels 3 1 SONDE CAREAND
15. with the other hand Carefully separate the two sections by twisting the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so those internal components are not damaged Figure 10 3 Disconnect the 4 pin Amp connector that connects the depth module to the bulkhead 20 pin connector Guide the bulkhead wires connectors through the two depth module holes Note Sondes with depth The depth module and printed circuit board must be replaced as an entire assembly See PC Board and Depth Module Replacement ASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure Before assembly inspect all O rings and sealing surfaces for blemishes scratches and dirt If necessary clean with a lint free cloth and isopropyl alcohol O rings and sealing surfaces should be lightly lubricated with stopcock grease Also the desiccant pack should be dried at 120 F for 30 minutes prior to assembly Warning It is extremely important to properly position all cables wires so that they will not become pinched between the bulkhead depth module or sonde tube Failure to do so may compromise a main seal causing permanent damage to the sonde YSI Incorporated Environmental Monitoring Systems Service Manual 67 6600 Sonde Section 9 PC BOARD IN STALLATIO N 1 Carefully install a shock mount onto the board by slipping it over the end of the board and sliding it into location be
16. 062781 PC6000 Software Available at no cost 6027 Turbidity Wiper Kit 6035 Probe Reconditioning Kit for 6562 Dissolved Oxygen Probe 062655 Carrying case 6038 12 VDC Power Supply with 110 VAC input 6037 12 VDC Power Supply with 220 VAC input 6100 External Power Connector attaches to 6095B Field Cable 6570 Maintenance Kit 068230 Short Probe Compartment Guard for 6036 turbidity probe non wiping for 6820 amp 6920 5775 Membrane Kit 6108 Desiccant Cartridge Kit 6109 Desiccant Canister Kit 065802 Replacement Desiccant 6120 6 Series Operations Manual Spanish 6121 6 Series Operations Manual German 6089 Non Vented CE Cable Kit 6194 Vented CE Cable Kit Accessories and Calibration Standards Appendix C CABLES FOR THE SON DES 6093 Field Cable 100 ft 30 m 6092 Field Cable 50 ft 15 m 6091 Field Cable 25 ft 7 5 m 6090 Field Cable 8 ft 2 4 m 6191 Field Cable Vented 25 ft 7 5 m 6192 Field Cable Vented 50 ft 15 m 6067B Low Cost Calibration Cable Dry use only 10 ft 3m 6077B CE Calibration Cable 10 ft 3m SP6093 L Special field cables available in 25 ft 7 6 m increments Maximum 1000 ft 305 m 6098B Field Cable to 610 D 610 DM adapter 6096 Field Cable to Flying Lead wire adapter 15 ft 5m 6095B Field Cable to Female DB 9 PC Serial with Power Connector 6099 610 to Female DB 9 PC Serial 6100 External Power Connector attaches to 6095B Field Cable 6ft 6102 610 to Portable Power Pack Adap
17. 068259 01 or 068259 02 0 068255 BulkheadAssy 2 12 amp 13 Screws O ring Plug Port Use with 063636 1 per Use with 062768 18 06249 Plug Bulkhead Screw Port 19 04603 Screw SS 832 y with grey transport cup only Includes 068267 gasket 06275 Header pinconnetor Connects Depth Assy to 0628 Bottle Calibration pou eM Instruction 062763 20 pin Amp Used on Bulkhead 06212 4 Single Rov Used on Bulkhead 0982 Oring SealsIntegralCabletosonde 106597 DesicanPack o 1 YSI Incorporated Environmental Monitoring Systems Service Manual 54 6820 Sonde Section 7 7 6 BULKHEAD W IRIN DIAG RAM Bulkhead Connectors Connectors Wire 20 8 8 5 ISE ISE 3 pin 4 pin 6 Pin 8 pin Color Conn Conn Conn 3 4 5 Lemo Lemo Lemo Lemo Turb Depth DO Cond Turb Rd 1 j J j J Orange Cond RSense 2 J J 2 wwe J3 Jp p T hb T TT T Bow Cond R Drive 4 o T T de J Black_ DOExcitor s T T T Pumpe Cond L Drive 6 J T bhb Depmysw 7 Po T T _ Yellow Cond LSense J 11 Depth jImput_ 9 2 J T T T Bue
18. L with a 110 50 mV indication 2 Rinse the sonde CHLORIDE 1 Place the 6920 in 1000 mg L chloride standard The reading should be 1000 150 mg L with a 100 50 mV indication 2 Rinse the sonde TURBIDITY 1 Place 6920 in 10 NTU Turbidity standard The reading should be 8 to 12 NTU 2 Rinse the sonde 3 Rotate wiper It should park 150 to 210 degrees from the optics DEPTH 1 Stretch out the 6920 cable Hold the end of a tape measure to the top hole in the depth module plug The depth plug is located on the side of the sonde tube Stretch the tape measure along the cable 4 For sondes with shallow depth capability place a piece of waterproof tape at 15 feet For medium depth capability place a piece of waterproof tape at 50 feet 5 Lower the 6920 into still water until the tapeline on the cable reaches the water s surface Check the readings Shallow sensors should read 15 06 feet Medium depth sensors should read 50 4 feet CHLO RO PHYLL e 1 Calibrate according to the calibration procedures in the YSI 6 Series Operations Manual If no error messages appear the probe should be assumed to be linear 2 Make sure the wiper rotates and parks between 150 and 210 degrees from the optics YSI Incorporated Environmental Monitoring Systems Service Manual 61 6920 Sonde Section 8 8 4 SO N DE EXPLO DED VIEW S Assembly Drawing YSI Incorporated Environmental Monitoring Systems Service
19. Manual 62 6920 Sonde Section 8 8 5 REPLA C EM EN T PARTS LIST Bubble Number 22 1926 Cap Assy Sonde 7 Includes bail 3 1063089 PressureCapAssembly 4 1002680 Oring 119277 Connector Assembly Vented 00000000000 5 1119254 _ Connector Cap Assembly 6 106039 Oxrng 1 0 1 y O 7 0847 Oring 02 8 0626 ShockMount Retwinciruitboad 9 1069214 Overay 6920 fSelfadhesive 10 0920 Jj SoneTue O 0 1 1 y O 11 11952 Battery Terminal Red o y O 12 19252 Battery Terminal Black 13 1061732 Connector Plug 3 Cond 14 169444 Circuit Board Assy If replaced in a unit with depth must use item 069258 1 2 or 3 069258 1 Depth Module Assy Shallow Characterized with circuit board 069258 2 Depth Module Assy Medium Characterized with circuit board 069258 3 Depth Module Assy Shallow Vented Characterized with circuit board 16 068246 O ring If no depth module use 068244 068244 17 060364 Screw Mach 068355 BukwalAwy SSCS SOS o 06849 Plug 06183 SmewSS amp 3 OOS 06 Probe Guard Assy Long Std 06212 Connector 4 pin Single Row Used on Bulkhead 06263 Connector 20 pin Amp Used on Bulkhead 065597 Desiceant Pack _ 1 os958 Bote Caim o ocws orme Screw O 0605016 Series Operations M
20. a chirp from the 610 YSI Incorporated Environmental Monitoring Systems Service Manual 84 610D DM Display Loggers Section 11 8 Verify the message ALL ROM BANKS SENT is on the PC screen and the word COMPLETE has appeared on the 610 screen If either message is not shown go back to step 1 9 If the 610 has never been loaded with YSI software before you need to do items A E below These items are shown here for completeness Otherwise proceed to step 11 10 Type the 5 keys Bksp D Verify you see SETUP on the 610 screen Press the Z key B Press until baud rate is 9600 then press C Press until word format is 8D 1 STOP then press D If bank number is not 0 press Q Y Z then press E If prog addr is not 16384 press S PU J N Zthen press 11 Type the following 3 keys on the 610 F Verify you see RUN on the 610 screen If you make a typo press Skip to backspace over the typo and retype it Once you see RUN press the Z key The 610 displays YSI SOFTWARE INITIALIZED for 3 seconds then shuts itself off 12 610 is now ready for use YSI Incorporated Environmental Monitoring Systems Service Manual 85 610D DM Display Loggers Section 11 11 3 REPLACEMENT PARTS LIST emg Despion 116109 EEPROM atest software revision Re programmable 063511 Battery Pack Kit 74 YSI Incorporated Environmental Monitoring Systems Service Manual 86 SECTION 12 WARRANTY AN D SERVICE I
21. conductivity unless necessary Under normal circumstances cleaning the conductivity sensor will restore the system to normal operation gt You need not remove the sonde guard to perform the tests described below unless you use the sonde transport cup to hold standard solutions To prevent carryover between tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the sonde s outside surfaces gt The pH probe is also the reference for the other ISE probes Thus the pH probe must be within specifications or the readings from the other ISEs will be affected gt Under Report setup in the 6920 Main Menu turn on the millivolt reading for the ISEs being tested pH TEST 1 Putthe 6920 in Run mode with pH millivolt Report setting activated 2 Place the 6920 in pH 4 buffer and allow to stabilize 3 Within 2 minutes the readings should be between 3 9 4 1 pH units and 150 to 210 mV 4 Rinse thoroughly and place the 6920 in pH 10 buffer Allow time for readings to stabilize 5 Within 2 minutes the readings should be between 9 9 10 1 pH units and 150 to 210 mV 6 Rinse thoroughly and place the 6920 in pH 7 buffer Allow time for readings to stabilize 7 Within 2 minutes the readings should be between 6 9 7 1 pH units and 30 to 30 mV O N DUCTIVITY TEST 1 Place the 6920 in 10 mS cm conductivity calibrator solution Move the 6920 up and down in the solution to remove trapped bubbles Continue to
22. from exposure area to fresh air immediately If breathing has stopped give artificial respiration Keep victim warm and at rest Seek medical attention immediately SKIN CONTACT Remove contaminated clothing immediately Wash affected area with soap or mild detergent and large amounts of water approx 15 20 minutes Seek medical attention immediately EYE CONTACT Wash eyes immediately with large amounts of water approx 15 20 minutes occasionally lifting upper and lower lids Seek medical attention immediately INGESTION If victim is conscious immediately give 2 to 4 glasses of water and induce vomiting by touching finger to back of throat Seek medical attention immediately YSI Incorporated Environmental Monitoring Systems Service Manual 91 Health and Safety Information Appendix A YSI Zobell Solution 3682 INGREDIENTS Potassium Chloride Potassium Ferrocyanide Trihydrate Potassium Ferricyanide CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION MAY AFFECT MUCOUS MEMBRANES May be harmful by inhalation ingestion or skin absorption Causes eye and skin irritation Material is irritating to mucous membranes and upper respiratory tract The chemical physical and toxicological properties have not been thoroughly investigated Ingestion of large quantities can cause weakness gastrointestinal irritation and circulatory disturbances FIRST AID INHALATION Remove victim from exposur
23. maintenance kit in the resurfacing operation and 2 Sand in a direction parallel to the gold electrode Not adhering to either of these instructions can seriously damage the electrodes NOTE If this procedure is unsuccessful as indicated by improper probe performance it may be necessary to return the probe to an authorized service center 6560 CONDUCTIVITY TEM PERATURE PRO BES The openings that allow fluid access to the conductivity electrodes must also be cleaned regularly The small cleaning brush included in the 6570 Maintenance Kit is ideal for this purpose Dip the brush in clean water and insert it into each hole 15 20 times In the event that deposits have formed on the electrodes it may be necessary to use a mild detergent with the brush After cleaning check the response and accuracy of the conductivity cell with a calibration standard The temperature portion of the probe requires no maintenance 6561 pH AND 6565 COMBINATION pH O RP PRO BES Cleaning is required whenever deposits or contaminants appear on the glass and or platinum surfaces of these probes or when the response of the probe becomes slow Remove the probe from the sonde Initially simply use clean water and a soft clean cloth lens cleaning tissue or cotton swab to remove all foreign material from the glass bulb 6561 and 6565 and platinum button 6561 Then use a moistened cotton swab to carefully remove any material that may be blocking the reference electr
24. moist air will have no significant detrimental effect on the life of the membrane Remove the sensor module 6820 6920 and 6600 from the sonde and cover the vacant port with the provided plug Place the sensor back in the storage boot that was provided and set aside in room air TURBIDITY AN D CHLO RO PHYLL No special precautions are necessary for either the short or long term storage of the turbidity and chlorophyll sensors for the Models 6600 6820 and 6920 However for long term storage the user may wish to remove the sensor from the sonde and store it dry in air to minimize any cosmetic degradation of the probe body and to maximize the life of the wiper on the 6025 and 6026 DEPTH AN D LEVEL No special precautions are required for the sensor itself but see instructions above with regard to maintaining a dry atmosphere in the vent tube Sensors can be stored dry or wet as long as solutions in contact with the strain gauge sensor port are not corrosive for example chlorine bleach Recommendations are identical for short term and long term storage YSI Incorporated Environmental Monitoring Systems Service Manual 22 SECTION 4 600R SONDE 4 1 SO N DE DISASSEM BLY ASSEM BLY Probes and interface cables can be serviced after disassembly of the sonde It may be necessary to disassemble the sonde and troubleshoot from within the sonde Use this chapter to assist in disassembly of the sonde diagnosis and selecting the replacement
25. move the sonde until the readings stabilize 2 The reading should be within 5 of the standard value Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning See Troubleshooting Section 2 TEM PERATURE TEST 1 Place the 6920 in a well stirred bath of a known temperature preferably between 20 and 30 The 6920 should read within 0 25 C of the standard O XYG EN TEST 1 Testthe oxygen response time and zero oxygen offset by placing the DO sensor in a zero oxygen environment after being calibrated run in a 100 saturated environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution 2 The dissolved oxygen reading should read 2 in 3 5 minutes 3 Rinse the sonde YSI Incorporated Environmental Monitoring Systems Service Manual 60 6920 Sonde Section 8 O RP TEST 1 Goto the ORP calibrate mode 2 Type uncal 3 Place the 6920 ORP electrode in Zobell solution and note the temperature 4 The millivolt reading should be within 50 mV of the value in chart for Zobell solution millivolts versus temperature 5 Re calibrate if required 6 Rinse the sonde NITRATE TEST 1 Place the 6920 in 100 mg L Nitrate standard The reading should be 100 10 mg L with a 40 25 mV indication 2 Rinse the sonde AMMONIUM TEST 1 Place the 6920 in 100 mg L Ammonium standard The reading should be 100 10 mg
26. part required for repair If you are unsure of any of these procedures or if you uncover a problem not discussed in this manual contact YSI Technical Support an authorized regional service center or your authorized dealer WARNINGS Opening of the sonde by non authorized service personnel will void the warranty The 600R s internal Printed Circuit Board contains static sensitive devices Disassemble the sonde at a static safe workstation or permanent damage may occur Do not use a screwdriver or other device to pry apart the assembly or permanent damage may occur DISASSEM BLY PRO CEDURE Follow the procedure outlined below to disassemble the sonde Refer to the exploded views in section 9 2 to understand the assembly 1 Thoroughly dry the outside of the sonde using an absorbent cloth 2 With the probe guard attached remove the two bulkhead mounting screws located just above the probe guard mounting screws NOTE The bulkhead has a cable and connector attached to the PC cable assembly 3 GENTLY pull the bulkhead away from the sonde tube being careful to avoid breaking the attached wires NOTE The O ring is covered with silicon grease which prolongs their life 4 Unplug the connector Carefully grasp the bundle of wires and GRADUALLY AND EVENLY pull the entire bundle of wires until the connector is unplugged Set the bulkhead and probe guard assembly aside 5 Gently but firmly pull the cable assembly from the sonde
27. replaced not repaired NOTICE FOR SONDES WITH DEPTH Model 6920s with depth require replacement of both the printed circuit board and depth module if either fail because they are specially characterized as a pair at the factory See Replacement Parts List Section 8 5 WARNING The 6920 PC board assembly contains static sensitive devices so always handle it at a static free ESD workstation 8 3 TEST PRO CEDURE The following procedures verify the functionality and accuracy of each of the Model 6920 s measurement parameters EQUIPMENT REQUIRED Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffers 4 7 and 10 stirred temperature bath with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution Zobell solution ammonium 100 mg L standard nitrate 100 mg L standard turbidity 10 NTU standard 1000 mg L chloride standard acridine orange and a tape measure YSI Incorporated Environmental Monitoring Systems Service Manual 59 6920 Sonde Section 8 PRE TEST gt If necessary make repairs to the system Perform all routine probe and sonde maintenance before testing See Troubleshooting and Maintenance Sections 2 and 3 gt Calibrate the Model 6920 DO pH depth turbidity chlorophyll ammonium chloride and nitrate parameters using procedures described in the Calibration Section of the 6 Series Operations Manual gt Do not calibrate
28. the instructions below carefully If you type a wrong character hit the Skip key which is a backspace 11 2 LOADING NEW SOFTW ARE To load new YSI software into the 610 proceed carefully as follows 1 Connect the 610 to an MS DOS Personal Computer using the Null Modem cable provided This forms a 5 wire RS 232 connection You must use the COMI 5 232 port of the PC 2 Make sure there is no mouse on COMI or COM3 3 Setthe PC to run from the floppy drive which holds the YSI programs type or B on the PC and press Enter on the PC 4 Disconnect the wall charger from the 610 if it is connected 5 Turn off the 610 by pressing Power or by pressing Esc then Power Reset the 610 by tapping the Esc and Skip keys simultaneously and then releasing them immediately If you did this correctly the message RESET DONE or MASTER RESET will appear in the 610 display If you do not get either message go back to step 5 6 Type the following 5 keys on the 610 D C Del Bksp Verify you see PMODE on the 610 screen If you make a typo press Skip to backspace over the typo and retype it Once you see PMODE press the Z key The 610 screen displayss PROGRAMMING MODE HLOADING 7 Onthe PC at the DOS prompt type the command LOAD4 ROM 128 and press Enter also on the PC This runs the transfer program Loading begins at once and takes about 5 minutes Loading is complete when the DOS prompt returns to the PC screen and you hear
29. tube The O ring can make this operation difficult NOTE The PC board will still be connected to the bulkhead To make troubleshooting easier the bulkhead can be powered without the sonde tube Be certain to disconnect any power source before attempting to remove the PC board YSI Incorporated Environmental Monitoring Systems Service Manual 23 600R Sonde Section 4 ASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure Inspect all O rings and sealing surfaces for blemishes scratches and dirt If necessary clean with a lint free cloth and isopropyl alcohol Before assembly O rings and sealing surfaces should be lightly lubricated with stopcock grease Also the desiccant pack should be dried at 120 for 30 minutes Warning It is extremely important to properly position all cables wires so that they will not become pinched between the bulkhead depth module or sonde tube Failure to do so may compromise a main seal causing permanent damage to the sonde If the depth module was separated from the bulkhead as part of the disassembly procedure see Depth Module Installation before assembly 1 Carefully plug the bulkhead s 20 pin Amp connector into the printed circuit board assembly 2 With shock mounts properly positioned on printed circuit board carefully install the printed circuit board into sonde tube Install the desiccant pack into sonde tube 4 2 PC BOARD REPLACEMENT The Model 600R printed c
30. warranty 1 3 SERVICE PHILO SO PHY From years of experience servicing water quality instrumentation it has been found that most service issues are the result of failed probes sensors and or cables There are a number or reasons for this condition including exposure to harsh environments limited life expectancy due to design limitations and maintenance requirements For this reason troubleshooting efforts should be initially directed at determining the condition and functionality of the probes and cables In the event that a service problem is isolated to the instrument itself YSI recommends the replacement of the entire defective sub assembly rather than individual components To lessen down time YSI and its Authorized Service Centers maintain an ample stock of replacement sub assemblies The recommended method of determining a sub assemblies condition is by substitution For example to test for a defective probe assembly substitute the assembly with a known good one or a decade resistance box of equivalent value If after testing the PC board meets the established specifications the probe assembly will have to be serviced or replaced YSI Incorporated Environmental Monitoring Systems Service Manual 1 1 4 PC BOARD HAN DUNG YSI 6 series printed circuit boards utilize state of the art SMT surface mount technology components WARNING PC board assemblies contain static sensitive components Always handle at a static free ESD w
31. 00 Sonde Section 9 9 5 REPLA C EM EN T PARTS LIST Drawing YSI Item Description Comments Bubble Number With 062630 O ring 2 3 4 5 Port Plug Assy Turbidity Chlor Turb 22200004 18 20 065597 DesiccantPack 2 28 060272 j Cap TrnsprtCup 29 06626 Gasket Bulkhead EE ONE C a With 116273 power cable and 062635 terminals 062651 O ring 2 862D Sonde tube seal 36 116269 Battery Compartment Non vented and 062635 terminals use Depth Module Assy Shallow Medium 116244 Depth Module Assy Non vented Deep Calibrated w PCB 116245 Depth Module Assy Vented Shallow Calibrated w PCB 006570 MaintenanceKit oo 116274 Cal Cup Kit Includes 066267 066272 amp 066266 YSI Incorporated Environmental Monitoring Systems Service Manual 74 6600 Sonde Section 9 9 6 BULKHEAD W IRIN G DIAG RAM Amp Connectors Bulkhead Connectors Wire Description 20 pin 8 pin 8 pin 4 pin ISE ISE ISE 3 pin 4 pin 6 Pin 8 pin 8 pin Color Conn Conn Conn Conn 3 4 5 Lemo Lemo Lemo Lemo Lemo Turb Chlor Depth DO Cond Turb Chlor Red DOCahde fi f j j Jj rj j Orange Cond R Sene 2 P 2 White f3 3 J T Brown Cond R Drive 4 P 4 Black DOExior 5 T j 2 j J T Purple CodLDive o 31 Yellow DepgpVS
32. 11 T 3 Brown Turb Input 8 J J 17 posee 5 qi e qp COND TEMP 6 Pin Lemo ISEI ISE2 pee ex n pH ORP 4 Pin Lemo DISSOLVED OXYGEN 3 Pin Lemo TURBIDITY 8 Pin Lemo Screw Port Plug BULKHEAD CONNECTOR IAYOUT 20 pin Amp Connector YSI Incorporated Environmental Monitoring Systems Service Manual 64 6920 Sonde Section 8 8 7 BLO CK WIRING DIAGRAM Internal Ext Sonde External Cable 8 pin Pinouts Amp Connector See 6920 Bulkhead Wiring Diagram Ext Sonde 8 pin Amp Connector Connector BULKHEAD CONN CAP ASSY 6920 CIRCUIT BOARD YSI Incorporated Environmental Monitoring Systems Service Manual 65 SECTION 9 6600 SONDE 9 1 SONDE DISASSEM BLY ASSEM BLY When used for its intended purposes and maintained according to YST s recommendations the 6600 sonde assembly will rarely need internal servicing However if service is required and the sonde must be opened the instructions provided below should be followed or permanent damage to the sonde may occur WARNING Opening of the sonde by non authorized service personnel will void the warranty The 6600 s internal Printed Circuit Board contains static sensitive devices Disassemble the sonde at a static safe workstation or permanent damage may occur Do not use a screwdriver or other device to pry apart the asse
33. 2 ea Retain circuit board EN T use Depth module assy 10 10 11 O ring 1 239 ID 12 Depth Module Assy Non vented Shallow Medium 15 065819 Guard Sensor 16 063018 Weight SSI 0 0 Referto 069584 Tube Clear Transport Cup the YSI 069583 144 Clear Transport Cup 600XL 069582 Kit Clear Transport Cup Includes 069584 069583 drawing amp 062307 065807 __ O ring Port Plug 063234 Calibration Transport Cup 065597 DesiccantPack YSI Incorporated Environmental Monitoring Systems Service Manual 45 600XLM Sonde Section 6 6 6 BULKHEAD WIRING DIAGRAM ee a Wire Description 20 pin Amp 3 pin 4 pin Lemo 6 Pin Lemo Color Connector Lemo IOSE 1 amp 2 Cond Connects PCB Conductivity to bulkhead assy Orange White Brown Black Purple Yellow Yellow Black Blue Orange Gray Gray pri Purple ISE 1 Orange ISE 1 White ISE2 Green ISE 2 Reference 3 pin Lemo 20 pin Amp Connector Bulkhead Connector Layout YSI Incorporated Environmental Monitoring Systems Service Manual 46 600XLM Sonde Section 6 6 7 BLO CK WIRING DIAGRAM Internal Ext Sonde External Cable 8 pin Pinouts Amp DB 9 MS 4 M Connector Yellow 8 Orange RS232RX 2 Need 6 3 Red Dvpc 4 Pupe 2 B F Bae Shed B 3 pin Amp Battery
34. Failure to do so may compromise a main seal causing permanent damage to the sonde If the depth module was separated from the bulkhead as part of the disassembly procedure see Depth Module Installation in the next section before assembly 3 Carefully plug the bulkhead s 20 pin Amp connector into the printed circuit board assembly 4 With shock mounts properly positioned on printed circuit board carefully install the printed circuit board into sonde tube Install the desiccant pack into sonde tube Sondes with vented level Inspect the end of the pressure tube for holes or breaks Before the printed circuit board is installed in the sonde tube pull the vent tube from battery compartment through the sonde tube While holding the vent tube install the printed circuit board into the sonde tube Carefully press the pressure tube on to the depth module nipple Check for tight fit YSI Incorporated Environmental Monitoring Systems Service Manual 40 600XLM Sonde Section 6 5 Carefully press the sonde tube on to the bulkhead assembly Install the two 7 64 hex screws 6 Plug the 3 pin and 8 pin battery compartment connectors into the printed circuit board 7 Carefully press the sonde tube on to the battery compartment assembly Be careful not to kink the pressure tube on vented level sondes Install the two 7 64 hex retaining screws DEPTH MODULE INSTALLATION SONDES WITH DEPTH ONLY If the depth module was separated from the
35. MAIN TENANCE The Model 6570 Maintenance Kit is available for use with your sonde The kit includes several items that will be helpful or necessary to perform the proper routine maintenance on your sonde The 6570 Maintenance Kit includes two types of O rings for probes and cable connector probe installation replacement tools 2 cleaning brushes for the conductivity sensor O ring lubricant and a syringe for cleaning the depth sensor port The 6570 Maintenance Kit can be ordered from any authorized YSI dealer or directly from YSI When caring for your sonde remember that the sonde is sealed at the factory and there is never a need to gain access to the interior circuitry of the sonde In fact if you attempt to disassemble the sonde you would void the manufacturer s warranty SO N DE PRO BE PO RTS Whenever you install remove or replace a probe it is extremely important that the entire sonde and all probes be thoroughly dried prior to the removal of a probe or a probe port plug This will prevent water from entering the port Once you remove a probe or plug examine the connector inside the sonde probe port If any moisture is present use compressed air to completely dry the connector Check to see if the connector is corroded When you reinstall a probe or port plug lightly grease the O ring with lubricant supplied in the 6570 Maintenance Kit YSI Incorporated Environmental Monitoring Systems Service Manual 12 Care Maintenance and
36. NFORMATION YSI EPG instruments are warranted for two years against defects in workmanship and materials when used for its intended purposes and maintained according to instructions cables are warranted for one year The depth dissolved oxygen temperature conductivity pH and pH ORP combination probes are warranted for one year Damage due to accidents misuse tampering or failure to perform prescribed maintenance is not covered The warranty period for chemicals and reagents is determined by the expiration date printed on their labels Within the warranty period YSI will repair or replace at its sole discretion free of charge any product that YSI determines to be covered by this warranty To exercise this warranty write or call your local YSI representative or contact YSI Customer Service in Yellow Springs Ohio Send the product and proof of purchase transportation prepaid to the Authorized Service Center selected by YSI Repair or replacement will be made and the product returned transportation prepaid Repaired or replaced products are warranted for the balance of the original warranty period or at least 90 days from date of repair or replacement LIM ITATIO N OF W ARRAN TY This Warranty does not apply to any YSI product damage or failure caused by 1 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 acco
37. O M PARTM EN T CLO SIN G 1 Lightly lubricate the O ring on the outside of the battery cover DO NOT lubricate the internal O ring 066273 See figure 13 2 Secure the battery cover to the battery compartment using two Cap Screws Be sure to tighten down completely but do not over tighten The cover should be slightly below the top of the battery compartment b crew 2 P aps 6 0 gt te Q S XN 0 2 V 7 ANA 4 Figure 13 9 3 TEST PRO CEDURES The following procedures verify the functionality and accuracy of each of the Model 6600 s measurement parameters EQUIPMENT REQUIRED Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffers 4 7 and 10 stirred temperature bath with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution Zobell solution ammonium 100 mg L standard nitrate 100 mg L standard turbidity 10 NTU standard 1000 mg L chloride standard acridine orange and a tape measure PRE TEST e If necessary make repairs to the system Perform all routine probe and sonde maintenance before testing See Troubleshooting and Maintenance Sections 2 and 3 e Calibrate the Model 6600 DO pH turbidity chlorophyll chloride nitrate and depth parameters using procedures described in the Calibration Section of the 6 Series Operations Manual e Do not calibrate conductivity unless nece
38. Section 2 TEM PERATURE TEST 1 Place the 6820 in a well stirred bath of a known temperature preferably between 20 and 30 C The 6820 must read within 25 C of the standard O XYG EN TEST 1 Testthe oxygen response time and zero oxygen offset by placing the DO sensor in a zero oxygen environment after being calibrated run in a 10046 saturated environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution The dissolved oxygen reading should read 246 in 3 5 minutes 2 Rinse the sonde O RP TEST 1 Goto the ORP calibrate mode Type uncal Place the 6820 ORP electrode in Zobell solution and note the temperature The millivolt reading should be within 50 mV of the value in chart for Zobell solution millivolts versus temperature 3 Recalibrate if required 4 Rinsethe sonde NITRATE TEST 1 Place the 6820 in 100 mg L Nitrate standard The reading should be 100 10 mg L with a 40 25 mV indication 2 Rinse the sonde AMMONIUM TEST 1 Place the 6820 in 100 mg L Ammonia standard The reading should be 100 10 mg L with a 110 x50 mV indication 2 Rinse the sonde TURBIDITY 1 Place the 6820 in 10 NTU Turbidity standard reading should be 8 to 12 NTU 2 Rinse sonde 3 Rotate the wiper It should park 150 to 210 degrees from the optics DEPTH 1 Stretch out the 6820 cable 2 Hold the end of a tape measure to the top hole in
39. Section 9 6 Rotate wiper It should park 150 to 210 degrees from the optics O RP TEST 1 Goto the ORP calibrate mode 2 Type uncal 3 Place the 6600 ORP electrode in Zobell solution and note the temperature 4 The millivolt reading should be within 50 mV of the value in the Millivolt versus Temperature Chart for Zobell solution 5 Re calibrate if required 6 Rinse the sonde DEPTH 1 Stretch out the 6600 cable Hold the end of a tape measure to the top hole in the depth plug The depth plug is located on the side of the depth module 3 Stretch the tape measure along the cable 4 Forsondes with shallow depth capability place a piece of waterproof tape at 15 feet For medium depth capability place a piece of waterproof tape at 50 feet 5 Lower the 6600 into still water until the tapeline on the cable reaches the water s surface Check the readings Shallow sensors should read 15 06 feet Medium depth sensors should read 50 4 feet CHLO RO PHYLL 3 Calibrate according to the calibration procedures in the YSI 6 Series Operations Manual If no error messages appear the probe should be assumed to be linear 4 Make sure the wiper rotates and parks between 150 and 210 degrees from the optics YSI Incorporated Environmental Monitoring Systems Service Manual 72 6600 Sonde Section 9 9 4 SO N DE EXPLO DED VIEW S Assembly Drawing YSI Incorporated Environmental Monitoring Systems Service Manual 73 66
40. Storage Section 3 CABLE CONNECTOR PORT The cable connector port at the top of the sonde should be covered at all times While communicating with the sonde a cable should be installed and tightened in place This will assure that a proper connection is being made and prevent moisture and contaminants from entering When a communications cable is not connected to the cable connector port the pressure cap supplied with the instrument should be securely tightened in place If moisture has entered the connector dry the connector completely using compressed air a clean cloth or paper towel Apply a very thin coat of lubricant from the 6570 Maintenance Kit to the O ring inside the connector cap before each installation 3 2 CARE AND MAIN TEN AN CE Once the probes have been properly installed remember that periodic cleaning and DO membrane changes are required 6562 DO PRO BES For best results we recommend that the KCI solution and the Teflon membrane at the tip of the 6562 probe be changed prior to each sonde deployment and at least once every 30 days during the use of the sonde in sampling studies In addition the solution and membrane should be changed if a bubbles are visible under the membrane b significant deposits of dried electrolyte are visible on the membrane or the O ring and c if the probe shows unstable readings or other probe related symptoms See the 6 Series Operations Manual that came with your s
41. Thermistor 10 j ST ds J Orange Depth Input 1 T T Gray Thermistor J j de Gay Depth jInmput_ J To T T sso fi oo sp p p T T Pupe ise2 fis Too ST p p h T T Yellow ISE 3 fie e To j T j mp2 Jo oo qo p oq T i ise 5 fis qp Sq p dq p T Jio oo pn n pop Lr 7 Green ISEReference 0 j bh T Gray Tub eD epo p ST T t C a T _ Black Turb Motor 2 3 3 Orange Turb Temp Comp Tub 8 85 5 White Turb GND 7 J j 1 Tye Inputs Ts T p T e pL ST T m y poser Nu gne dp qoo qsp ums m COND TEMP 6 Pin Lemo ISEI ISE2 pH ORP 4 Pin Lemo DISSOLVED OXYGEN 3 Pin Lemo Screw Port Plug Chlorophyll E 8 Pin Lemo BULKHEAD CONNECTOR IAYOUT 20 pin Amp Connector YSI Incorporated Environmental Monitoring Systems Service Manual 55 6820 Sonde Section 7 7 1 BLO CK WIRING DIAGRAM Internal External Cable Connector Color Description Yellow Rs232Tx 2 Orange RS232RX 3 D NETTE Green Alarm e See 6820 Bulkhead Wiring Diagram 8 pin Amp Connector BULKHEAD CONN CAP ASSY 6920
42. Ultraclamp C clamp Mount for 610 615 Leather Carrying Case for 610 616 Cigarette lighter adapter powers and charges 610s 617 Replacement Battery Pack for 610 6099 610 to Female DB 9 PC serial 6097 Blank port plug for 610 6104 Replacement Charger Jack for 610 6042 Battery Charger for 610 6101 Portable Power Pack for 610 or sondes LO G G ER TELEM ETRY VVVVV V 1240 SDI 12 Logger for interfacing as many as 10 6 Series devices Can also serve as RF telemetry platform RF radio battery interface cable junction box not included 1240B1 7 amp hour lead acid 12 VDC rechargeable battery 1240B2 20 amp hour alkaline 6 VDC battery 2 required 1240AC 110 VAC charger transformer assembly charges 1240B1 1240SO 1240 Solar Panel Assembly includes panel mount cable 1240SE 1240 Serial data interface cable connects 1240 to PC 1240JU 1240 6 series Junction Box provides input of multiple SDI 12 devices standard configuration is for 5 devices Note For RF radio frequency telemetry system applications contact YSI Massachusetts Customer Support 1 800 363 3269 USA or 508 748 0366 or fax 508 748 2543 SO FTW ARE VVVVV PC6000 MS DOS compatible communication upload plotting 610SOFT Software upgrade for Model 610 D DM 6920SOFT Software upgrade for Model 6920 EW DOS EcoWatch for MS DOS Applications EW WIN EcoWatch for Windows Use EW WIN for 6 Series Applications YSI Incorporated Environmental Monitori
43. W 7 t j T T Yellow 1 8 J PL Tif Back Depth Input_ 9 2 T T Thermistor J Orange Depth Inpur T Thermistor 6 Gray Deen mput i3 p p peg up 4 3 T T d Solution fi j P T Pumpe fis j 2 j T Yellow 1se 3 fie 4 T T 1 T Yellow foa f j Yellow ISES j mer fio rr T S T T T Taf T T Green ISEReference 20 P Tub eD Joio fo T f 5 Red Turb Motor 1 LL Lj 2 Comp 5 Bue Twb 5 6 0 Orange Red Chlorphyll Gray 20 Pin Amp Connector YSI Incorporated Environmental Monitoring Systems Service Manual 75 6600 Sonde Section 9 9 7 BLO CK WIRING DIAGRAM Internal Ext Sonde External Cable 8 pin Pinouts Amp Wire Pin Connector Connector Color Description 2 3 Notued Notused Red DVDC Bae Shield Block 1b lt Red 3H Wire Side Power Connector See Bulkhead Wiring Diagram Wire Side 8 pin Amp Connector Ext Sonde Connector BULKHEAD CONN CAP ASSY 6600 CIRCUIT BOARD
44. XL Sonde 5 6 Wire Color Orange hite Brown Black Purple Yellow Yellow Black Blue Orange Gray Gray Red W ISE 1 ISE 1 Purple Orange White Green ISE 2 ISE 2 Reference 3 pin Lemo Bulkhead Connector Layout YSI Incorporated Environmental Monitoring Systems Service Manual Section 5 BULKHEAD W IRIN G DIAGRAM Bulkhead Probe Ports 3 pin 4 pin Lemo 6 Pin Lemo Lemo ISE 1 amp 2 Cond Conductivity 20 pin Amp Connector Connects PCB to bulkhead assy 7 1 0 20 pin Amp Connector 37 600XL Sonde Section 5 5 7 BLO CK WIRING DIAGRAM Internal Ext Sonde External Cable 8 pin Pinouts Amp Wire Pin Connector Connector Color Description RS232 TX RS232 RX Alarm cg 1 USE HO RE 3 Red p See Bulkhead Wiring Ext Sond Diagram 2 4 Connector BULKHEAD CONN CAP ASSY 600XL CIRCUIT BOARD YSI Incorporated Environmental Monitoring Systems Service Manual 38 SECTION 6 600XLM SONDE 6 1 SO N DE DISASSEM BLY ASSEM BLY When used for its intended purposes and maintained according to YSI s recommendations the 600XLM sonde assembly will rarely need internal servicing However if service is required and the sonde must be opened the instructions provided below should be followed or permanent damage to the sonde may occur Warnin
45. YSI incorporated 6 SERIES ESTER ELE a gt meee ammumum EBEN ENVIRONMENTAL MONITORING SYSTEMS Service Manual CON TEN TS SECTION 1 INTRO DUCTIO N 1 1 HOW TO USE THIS MANUAL The manual is organized to help you maintenance and service YSI 6 Series Environmental Monitoring Systems products For successful service in addition to this Service Manual an understanding of the Principles of Operation Calibration Techniques and System Setup is necessary These sections are in the 6 Series Operations Manual available from YSI Customer Service YSI 6 series products 600 600XL 600XLM 6600 6820 6920 6500 and the 610 are covered in this manual Each product has a separate section with exploded views parts list block diagrams and test processes Maintenance procedures calibration errors and troubleshooting are also covered in separate sections If you have any questions about this product or its application please contact YSI Technical Support an authorized regional service center or your authorized YSI Dealer 1 2 QUALIFICATION S The following service sections are intended for use by qualified service technicians that have been authorized by YSI Incorporated End users may find the illustrations and procedures in this manual useful when ordering parts or testing but should not attempt to disassemble and service these products Non authorized service will void the manufacturer s
46. ame slot Figure 12 YSI Incorporated Environmental Monitoring Systems Service Manual 03 6600 Sonde Section 9 Pass the 20 pin connector through the same slot as the depth connector The 20 pin must be passed through length wise so rotate it 90 9 See figure 12 Pass the 8 pin turbidity connector of the bulkhead through the other slot 3 Insert the bulkhead into the depth module while slowly rotating the bulkhead 5 10 until it is both fully seated and the bulkhead s threaded inserts align with the holes in the module See figure 10 4 Secure the bulkhead to the depth module with two 8 32 Cap Screws 062690 BULKHEAD DEPTH M O DULE ASSEMBLY TO SONDE TUBE 1 Reach into the sonde tube and grab the PCB by the edges Pull the board toward the bottom of the sonde tube Allow the board to protrude ONLY 1 out from the end of the sonde tube Warning DO NOT unplug the board from the battery compartment 2 Install a shock mount onto the board by slipping it over the end of the board and sliding it into location just beyond the 8 pin turbidity connector so that the connector is visible 3 Plug the 8 pin turbidity connector from the bulkhead onto the PCB at the proper location with the two nubs facing away from the board Do not install the chlorophyll connector Note The turbidity connector has white and black wires 4 Plug the 20 pin connector from the bulkhead into the PCB at the proper location Be sure it is fully seated
47. aminated Calibration solution or sample Immerse sensor fully Installed probe has reading Return sonde for service Temperature Dry connector reinstall probe unstable or inaccurate Probe has been damaged Replace the 6560 probe Turbidity probe Probe requires cleaning Follow probe cleaning unstable or procedure inaccurate Error Probe requires calibration Follow cal procedures messages appear Probe has been damaged Replace probe during calibration Dry connector reinstall probe Calibration solutions out of Use new calibration solutions spec Wiper is not turning or is not Activate wiper Assure synchronized rotation Make sure setscrew is tight YSI Incorporated Environmental Monitoring Systems Service Manual 8 Troubleshooting 2 5 Section 2 610 DISPLAY LOGGER PERFO RM AN CE For more information about PC6000 software please reference the 6 Series Environmental Monitoring Systems Operations Manual item 069301 To obtain this manual please contact YSI Customer Service SYMPTOMS POSSIBLE CAUSE ACTION 610 does not communicate with sonde 610 appears to try to go into Run mode but then gives Comm time Sonde power not turned on for into Setup 610 and turn on 610 Sonde power Baud rate does not match sonde Try different baud rates on 610 Sonde is configured to power up Try communicating with sonde to run and or power up to menu in Sonde softwar
48. ammal 1 OO i YSI Incorporated Environmental Monitoring Systems Service Manual 63 6920 Sonde Section 8 8 6 BULKHEAD W IRIN G DIAG RAM Amp Bulkhead Connectors Connectors Wire ee 20 pin 8 pin 4 pin ISE ISE ISE 3 pin 4 pin 6 Pin 8 pin Color Conn Conn Conn 3 4 5 Lemo Lemo Lemo Lemo Turb Depth DO Cond Turb Red DOCahbde 1 Jj j Orange Cond RSense 2 J j T 2 wwe 1595 1 14 p T T Brown Cond RDrive 4 J j T Taf Black_ DOExcitor s T T T2 Purple Cond L Drive 6 T j T T5 Yelow Depmysw pg ipe qe T pl T T T Yellow Cond LSense 8 T Too T Tif 9 J J T J Bue Thermistor 10 j T 5 Orange Depth Input_ 3 J J Gray TemirQ 1 J j 6 Gay DehOhp o Soa J T J T p _ fi q s up T O T T T T Pupe ise2 fis T T T T T Tof T Yellow ISE 3 fie 1 T T T T Yellow ise4 Jo Tof T T ise 5 fis qp sp up T rap T T White isea fio ooo Soo T T To Taf T Green ISEReference 0 T T 3 Gray Tub eD Poff PO T T T T T fT 5 C a Tub Mor 3 Orange Turb Temp Comp Tu VOCCSW 5 5 a ES Er Ed RE EO ERES White Turb GND 7
49. are not damaged 4 Disconnect the 20 pin and 8 Amp connectors from the printed circuit board For sondes with vented level use a small screwdriver to pry the pressure tube off of the depth module nipple The bulkhead assembly is now detached from the rest of the assembly If a depth module is present it can remain attached to the bulkhead See the next section Depth Module Removal 5 Remove the two 8 32 cap screws that attach the sonde tube to battery compartment assembly YSI Incorporated Environmental Monitoring Systems Service Manual 66 6600 Sonde Section 9 6 Grasp the sonde tube with one hand and the battery compartment assembly with the other hand Carefully twist the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so those internal components are not damaged 7 printed circuit board can be removed from the battery compartment by disconnecting the 3 pin and 8 pin Amp connectors Note for units with depth or level Unless replacing the depth module or bulkhead it is not necessary to separate the two See Depth Module Removal DEPTH M O DULE REM O VAL SON DES W ITH DEPTH ONLY If separation of the depth module and bulkhead is necessary the following instructions should be followed 1 Remove the two 8 32 cap screws that attach the depth module to the bulkhead See Figure 10 2 Grasp the depth module with one hand and the bulkhead assembly
50. ater during long term storage Monitor the water level in the storage vessel periodically and replenish if loss due to evaporation occurs At the end of the storage time remove the existing membrane and re membrane the probe using new electrolyte Because the user cannot remove the Model 600R s dissolved oxygen probe from the sonde a slightly different long term storage protocol is required For 600 systems equipped with a replaceable reference electrode module remove the reference module store it as described below and plug the open port with the port plug that was provided Make certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Fill the provided storage vessel with a solution which is 2 molar 2 M in potassium chloride KCI insert the sonde and seal the vessel with the cap and O ring This solution can be prepared by dissolving 74 6 g of KCl in 500 mL approximately 1 pint of water 37 3 g of in 250 mL approximately 0 5 pint of water The water should be distilled or deionized If KCI solution is unavailable it is acceptable to store the dissolved oxygen and pH glass sensors in tap water Do not use deionized or distilled water in this case as it may damage the pH glass sensor which must remain in the sonde At the end of the storage time remove the existing membrane and re membrane the probe using new electrolyte e For 600 systems equipped with a combination pH probe purchased prio
51. bulkhead as part of the disassembly procedure follow the procedure below to re assemble 4 Route the bulkhead wires from the 3 4 and 6 pin Lemo connectors through the designated depth module holes Reference the Depth Module figure 5 drawing for hole positions 5 Carefully press wires into the proper position in the 20 pin Amp connector Reference the Bulkhead Wiring Diagram Section 6 6 6 Attach the depth module to the bulkhead using two 7 64 hex screws 6 2 PC BOARD AN D DEPTH MO DULE REPLACEM EN T The Model 600XLM printed circuit board utilizes state of the art SMT surface mount technology components In the unlikely event of a failure YSI recommends that the entire PC board be replaced not repaired Notice for sondes with depth Model 600XLMs with depth require replacement of both the printed circuit board and depth module if either fail because they are specially characterized as a pair at the factory For disassembly procedures see Section 6 1 Sonde Disassembly Assembly Warning The 600XLM PC board assembly contains static sensitive devices so always handle it at a static free ESD workstation 6 3 TEST PRO CEDURES The following procedures verify the functionality and accuracy of each of the Model 600XLM s measurement parameters Equipment required Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffers 4 7 and 10 stirred temperatur
52. ckside 610 screen should go blank Reinstall block and then re initialize 610 software according to Remove charge block from 610 backside 610 screen should go blank Reinstall block and then re initialize 610 software according to YSI Incorporated Environmental Monitoring Systems Service Manual 10 Troubleshooting Section 2 2 6 6500 PERFO RMAN CE PRO BLEM S For more information about PC6000 software please reference the 6500 Environmental Process Monitor Operations Manual item 065902 To obtain this manual please contact YSI Customer Service SYMPTOM POSSIBLE CAUSE ACTION 6500 will not Autobaud may be disabled in Connect sonde to a terminal communicate with sonde RS232 Full SDI 12 may device and make certain that sonde be enabled in sonde Autobaud is enabled in the SystemlComm menu Then make certain that Full SDI 12 is disabled in the AdvancedlSetup menu Using sonde with old software Must have Software Ver 1 04 or later for 600R 600XL and 6820 sondes Must have version 1 03 or later software for 600XLM 6920 and 6600 sondes An improper SDI 12 address is Connect sonde to a terminal selected in the sonde device and make certain a proper SDI 12 address 0 9 is selected in the System menu parameters Comma Radix designation is Connect sonde to a terminal displayed on 6500 are active in the sonde device and deactivate the missing the decimal Comma radix selection in the
53. d the correct value for the calibration solution If the calibration error YSI Incorporated Environmental Monitoring Systems Service Manual 3 Troubleshooting Section 2 message continues to occur contact YSI Technical Support to determine whether the sensor in question needs to be factory serviced or replaced Illegal Entry This message simply indicates that your keyboard input does not conform to the accepted format for this parameter For example you may have entered the letter instead of zero for a calibration value Return to the desired parameter in the Calibrate menu and repeat the calibration entry being certain to enter only numbers The following troubleshooting tables can help you if you encounter problems with software communication protocol or sensor malfunctions other than calibration errors 2 2 PC6000 SO FTW ARE PRO BLEM 5 For more information about PC6000 software please reference the PC6000 Operations Manual item 6125 To obtain this manual please contact YSI Customer Service SYMPTOMS POSSIBLE CAUSE ACTIONS PC6000 software Data capture not set up Move cursor to data capture operates but no data setup and make proper are captured to disk selections After auto configure no data Return to sonde menu and start arrives sonde PC6000 displays data Data directory path not Move cursor to PC6000 no files found recognized Advanced setup and establish a directory Data files not readable Export
54. de Disassembly Assembly Section 5 1 Warning The 600XL PC board assembly contains static sensitive components so always handle it at a static free ESD workstation 5 3 TEST PRO CEDURES The following procedures verify the functionality and accuracy of each of the Model 600XL s measurement parameters Equipment required Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffers 4 7 and 10 stirred temperature standard with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution Zobell solution and a tape measure PRE TEST e f necessary make repairs to the system Perform all routine probe and sonde maintenance before testing See Troubleshooting and Maintenance Sections 2 and 3 e Calibrate the Model 600XL DO pH and depth parameters using procedures described in the Calibration Section of the 6 Series Operation Manual e Do not calibrate conductivity unless necessary Under normal circumstances cleaning the conductivity sensor will restore the system to normal operation YSI Incorporated Environmental Monitoring Systems Service Manual 32 600XL Sonde Section 5 e tis not necessary to remove the sonde guard to perform the tests described below To prevent carryover between tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the sonde s outside surfaces e The pH probe is also the referenc
55. e Wait for DO and or Wait for Filter is active in Sonde software While trying to log data The parameters active in the new to an existing file while in the Run mode or setting up the 610 for logging using an existing file name the error file parameters differ appears When trying to Capture data to an existing file or to Add data to an existing file the error Wrong type of file appears When using a 610 to put a 6600 into Unattended mode the error Bad sonde response appears When putting 610 into Run mode the error message Data format error appears YSI Incorporated study are not IDENTICAL to parameters active when the file was created The 610 software does not allow the addition of data to Capture file using the Add function and vice versa even if the parameters match The date time setting and or format on the 610 does not match the date time setting and or format on the 6600 The Radix mark is not set the same in 610 as in the sonde through Terminal in the 610 communications menu If successful disable both settings in AdvancedlSetup menu Communicate with sonde via Smart Terminal in the 610 communications menu Deactivate Wait for DO in the AdvancedlSensor menu Deactivate Wait for Filter in the AdvancedlData Filter menu Create a new file for the new study Alternatively view the data from the existing file and set up the sonde param
56. e 600XLM in pH 10 buffer Allow time for readings to stabilize Within 2 minutes the readings should be between 9 9 10 1 pH units and 150 to 210 mV Rinse thoroughly and place the 600XLM in pH 7 buffer Allow time for readings to stabilize Within 2 minutes the readings should be between 6 9 7 1 pH units and 30 to 30 mV ON DUCTIVITY TEST 1 Place the 600XLM in 10 mS cm conductivity calibrator solution Move the 600XLM up and down in the solution to remove trapped bubbles Continue to move the sonde until the readings stabilize 2 The reading should be within 5 96 of the standard value Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning See Troubleshooting Section 2 TEM PERATURE TEST C NU 1 Place the 600XLM in a well stirred bath of a known temperature preferably between 20 and 30 C 2 The 600XLM must read within 25 of the standard O XYG EN TEST 1 Testthe oxygen response time and zero oxygen offset by placing the DO sensor in a zero oxygen environment after being calibrated run in a 100 saturated environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution 2 The dissolved oxygen reading should read 296 in 3 5 minutes 3 Rinse the sonde O RP TEST 1 Goto the ORP calibrate mode 2 Type uncal 3 Place the 600XLM electrode in Zobell solution and note the temperature 4
57. e area to fresh air immediately If breathing has stopped give artificial respiration Keep victim warm and at rest Seek medical attention immediately SKIN CONTACT Remove contaminated clothing immediately Wash affected area with soap or mild detergent and large amounts of water approx 15 20 minutes Seek medical attention immediately EYE CONTACT Wash eyes immediately with large amounts of water approx 15 20 minutes occasionally lifting upper and lower lids Seek medical attention immediately INGESTION If victim is conscious immediately give 2 to 4 glasses of water and induce vomiting by touching finger to back of throat Seek medical attention immediately YSI Incorporated Environmental Monitoring Systems Service Manual 92 Health and Safety Information Appendix A YSI Ammonium Standard Solutions 3841 3842 and 3843 INGREDIENTS Ammonium Chloride Lithium Acetate Dihydrate Sodium Azide trace Hydrochloric acid CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION MAY AFFECT MUCOUS MEMBRANES May be harmful by ingestion or skin absorption May cause eye and skin irritation The chemical physical and toxicological properties have not been thoroughly investigated Ingestion of large quantities of lithium salts can affect the central nervous system producing symptoms ranging from dizziness to collapse It may also cause kidney damage nausea and anorexia Note that the ingestion
58. e bulkhead and depth modules are connected to the internal circuit board via wires 11 11 To remove the circuit board from sondes with no depth module carefully pull the board out of the sonde tube and disconnect the 20 pin connector Note the position of the shock mounts for the re assembly process Take note to the Turbidity connector located at the 8 pin connector Remove this connector from the PCB with the pins staying in the wiring harness NOTE The 3 pin power connector will be disconnected when the PCB is out of the Sonde Tube 12 To remove the circuit board from sondes with a depth module carefully lay aside the bulkhead and remove the two machine screws that retain the depth module to the sonde tube Grasp the depth module with one hand and the sonde tube with the other hand and carefully pull the depth module away from the sonde tube Again a slight twisting motion may assist with the disassembly Please note that considerable force may be required to separate the two parts Next carefully pull the circuit board from the sonde tube and disconnect the 20 pin connector Note the position of the shock mounts for the re assembly process Take note to the Turbidity connector located at the 8 pin connector Remove this connector from the PCB with the pins staying in the wiring harness NOTE The 3 pin power connector will be disconnected when the 15 out of the Sonde Tube NOTE Unless replacing the depth module it is not necessar
59. e for the other ORP sensor Thus the pH probe must be within specifications or the ORP readings may be affected e Under Report Setup in the 600XL main menu turn on the millivolt reading for the ISEs pH and or ORP being tested pH TEST Putthe 600XL in Run mode with pH millivolt Report setting activated 2 Place the 600XL in pH 4 buffer and allow to stabilize 3 Within 2 minutes the readings should be between 3 9 4 1 pH units and 150 to 210 mV 4 Rinse thoroughly and place the 600XL in pH 10 buffer Allow time for readings to stabilize 5 Within 2 minutes the readings should be between 9 9 10 1 pH units and 150 to 210 mV 6 Rinse thoroughly and place the 600XL in pH 7 buffer Allow time for readings to stabilize 7 Within 2 minutes the readings should be between 6 9 7 1 pH units and 30 to 30 mV C O N DUCTIVITY TEST 1 Place the 600XL in 10 mS cm conductivity calibrator solution Move the 600XL up and down in the solution to remove trapped bubbles Continue to move the sonde until the readings stabilize 2 The reading should be within 5 of the standard value Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning See Troubleshooting Section 2 TEM PERATURE TEST 1 Place the 600XL in a well stirred bath of a known temperature preferably between 20 and 30 2 The 600XL must read within 25 of the standard OXYGEN TEST 1 Testthe oxygen response t
60. e guard or storage cup Thoroughly dry the outside of the sonde and probes using an absorbent cloth Remove all of Turbidity the probes Chlorophyll BEA 8 Pin Lemo 5 Locate the Bulkhead Screw Port Plugs See Figure 8 Figure 8 At the center of each plug is a tightened Phillips screw Loosen one of the screws approximately 1 4 WARNING Loosening the screw too far may cause damage to the plug s threads during the next step 6 Steady the sonde tube in a vise or while sitting between your legs It will take a significant amount of force to remove the bulkhead screw port plugs so be sure that the sonde is firmly secured YSI Incorporated Environmental Monitoring Systems Service Manual 57 6920 Sonde Section 8 7 Position a 1 2 thick prying block and nut driver as shown in Figure 9 With the nut driver opening attached under the lip of the loosened screw the plug from the bulkhead by applying downward pressure on the handle of the nut driver 8 Repeat steps 5 through 7 for the second bulkhead port plug 9 Remove both O ring screws from the bulkhead assembly with a Phillips screwdriver 10 Grasp the bulkhead with one hand and the sonde tube with the other hand and carefully pull the bulkhead away from the sonde tube While pulling a slight twisting motion of about 5 may assist the disassembly Please note that considerable force may be required to separate the two parts WARNING Be careful th
61. e sensors insert the sonde into the vessel and seal with the cap O ring to minimize evaporation 6820 6920 and 6600 Leave the conductivity temperature and the dissolved oxygen probes in the sonde with a membrane and electrolyte on the DO sensor Remove all other probes from the sonde and store according to the instructions found in the following section on individual sensors Cover the empty ports with the provided plugs Place approximately 300 mL of deionized distilled or tap water in the calibration cup insert the sonde into the vessel and tighten the threaded cup to attain a good seal and minimize evaporation 600R with Replaceable Reference Electrode Module Instruments of this design were generally sold after January 1996 and can be identified by the presence of 4 probes temperature YSI Incorporated Environmental Monitoring Systems Service Manual 18 Care Maintenance and Storage Section 3 dissolved oxygen pH reference and pH glass in the bulkhead Remove the reference module store it as described below and plug the open port with the insert that was provided Make certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Place approximately 300 mL of tap water in the storage vessel insert the sonde and seal the vessel with the cap and O ring Do not use deionized or distilled water in this case as it may damage the pH glass sensor that must remain in the sonde 600 with Combinatio
62. e standard with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution Zobell solution and a tape measure PRE TEST e f necessary make repairs to the system Perform all routine probe and sonde maintenance before testing See Troubleshooting and Maintenance Sections 2 and 3 e Calibrate the Model 600XLM DO pH and depth parameters using procedures described in the Calibration Section of the 6 Series Operations Manual e Do not calibrate conductivity unless necessary Under normal circumstances cleaning the conductivity sensor will restore the system to normal operation YSI Incorporated Environmental Monitoring Systems Service Manual 41 600XLM Sonde Section 6 e tis not necessary to remove the sonde guard to perform the tests described below To prevent carryover between tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the sonde s outside surfaces e The pH probe is also the reference for the other ORP sensor Thus the pH probe must be within specifications or the ORP readings may be affected e Under Report setup in the 600XLM Main Menu turn on the millivolt reading for the ISEs pH and or ORP being tested pH TEST Putthe 600XLM in Run mode with pH millivolt Report setting activated 2 Placethe 600XLM in pH 4 buffer and allow to stabilize 3 Within 2 minutes the readings should be between 3 9 4 1 pH units and 150 to 210 mV 4 Rinse thoroughly and place th
63. e user is encouraged to try to correct the interference by one or more of the following measures Reorient the receiving antenna Relocate the computer with respect to the receiver C Move the computer away from the receiver Plug the computer into a different outlet so that the computer and receiver on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 0004 000 00345 4 APPEN DIX C ACCESSORIES AN D CALIBRATIO N STAN DARDS STAN DARD EQUIPMENT WITH YSI SON DES 600R 600XL 600XLM 6820 6600 or 6920 Sonde with Calibration EcoWatch for Windows Software Operations Manual Guard for Probe Compartment 6570 Maintenance Kit 6560 Conductivity Temperature Probe not supplied with the 600R PRO BES FOR THE SON DES 6560 Conductivity Temperature Probe 6561 pH Probe 6562 Rapid Pulse DO Probe 6565 Combination pH ORP Probe 6026 Turbidity Probe wiped 6036 Turbidity Probe unwiped 6882 Chloride Probe 6883 Ammonium Probe 6884 Nitrate Probe O PTIO N ALACCESSO RIES FOR THE SON DES
64. eck for tight fit 3 Carefully press the sonde tube on to the bulkhead assembly Install the two 7 64 hex screws Plug the 8 pin Amp connector into the printed circuit board cable end of board 5 Carefully press the sonde tube on to the battery compartment assembly Be careful not to kink the pressure tube on vented level sondes Install the two 7 64 hex retaining screws DEPTH MODULE INSTALLATION SONDES WITH DEPTH ONLY If the depth module was separated from the bulkhead as part of the disassembly procedure follow the procedure below to re assemble 1 Route the bulkhead wires from the 3 4 and 6 pin Lemo connectors through the designated depth module holes Reference the Depth Module drawing figure 4 for hole positions 2 Carefully press wires into the proper position in the 20 pin Amp connector Reference the Bulkhead Wiring Diagram Section 5 4 Sonde Exploded Views 3 Attach the depth module to the bulkhead using two 7 64 hex screws 5 2 PC BOARD AN D DEPTH MO DULE REPLACEM EN T The Model 600XL printed circuit board utilizes state of the art SMT surface mount technology In the unlikely event of a component failure YSI recommends that the entire PC board be replaced not repaired Notice for sondes with depth Model 600XLs with depth require replacement of both the printed circuit board and depth module if either fail because they are specially characterized as a pair at the factory For disassembly procedures Son
65. emove the module from the sonde bulkhead for cleaning and or storage To remove the module follow the diagram at the side Remove the module with finger pressure only if possible However it is acceptable to use small pliers if necessary to loosen the module for final removal by hand Be very careful not to squeeze the module any more than is necessary for a firm grip Use slipjaw pliers to minimize the chance of applying too much pressure on the module While the module is removed from the sonde be sure to dry the sonde port and probe connector with compressed air and apply a very thin coat of lubricant to the O ring before re installation PLIERS SLIP JAW AMMONIUM OR NITRATE PROBE YSI Incorporated Environmental Monitoring Systems Service Manual 16 Care Maintenance and Storage Section 3 NOTE The ion selective membranes are fragile Be certain to 1 Use only moist high quality lens cleaning tissue for the cleaning procedure not paper towels or other coarse materials and 2 Stroke the probe face very gently with the tissue during the procedure Jf you do not adhere to these instructions you can seriously damage the sensors 6025 6026 AND 6036 CHLO RO PHYLLAN D TURBIDITY PRO BES The 6026 and 6036 turbidity probes require only minimal maintenance After each deployment the optical surface on the tip of the turbidity probe should be inspected for fouling and cleaned if necessary by gently wiping the probe face with moist l
66. en tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the sonde s outside surfaces The pH probe is also the reference for the ISEs reference Thus the pH probe must be within specifications or the readings from the other ISEs will be affected e Under Report setup in the 6820 Main Menu turn on the millivolt reading for the ISEs being tested pH TEST 1 Putthe 6820 in Run mode with pH millivolt Report setting activated 2 Place the 6820 in pH 4 buffer and allow to stabilize 3 Within 2 minutes the readings should be between 3 9 4 1 pH units and 150 to 210 mV 4 Rinse thoroughly and place the 6820 in pH 10 buffer Allow time for readings to stabilize 5 Within 2 minutes the readings should be between 9 9 10 1 pH units and 150 to 210 mV 6 Rinse thoroughly and place the 6820 in pH 7 buffer Allow time for readings to stabilize 7 Within 2 minutes the readings should be between 6 9 7 1 pH units and 30 to 30 mV YSI Incorporated Environmental Monitoring Systems Service Manual 50 6820 Sonde Section 7 CONDUCTIVITY TEST 1 Place the 6820 in 10 mS cm conductivity calibrator solution Move the 6820 up and down in the solution to remove trapped bubbles Continue to move the sonde until the readings stabilize 2 The reading should be within 5 of the standard value Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning See Troubleshooting
67. ens Figure 3 cleaning paper In addition for the 6026 probe it is recommended that the wiper be replaced periodically The A WIPING TURBIDITY PROBE frequency of this replacement depends on the quality of water under examination A replacement wiper is supplied with the 6026 sensor along with the small hex driver required for its removal and reinstallation Follow the instructions supplied with the turbidity sensor to insure N proper installation of the new wiper assembly Additional wipers are available from YSI EN WIPER f ASSEMBLY Wl 4 NON WIPING TURBIDITY PROBE 3 3 SO N DE STO RAG E INTERIM SO N DE STO RAGE Since the introduction of the YSI 6 Series Environmental Monitoring Systems product line several years ago YSI has learned a great deal about storage protocols which will maximize the lifetime of your sensors This knowledge has come from our own extensive in house testing programs as well as from feedback from a large number of customers and sales representatives Proper storage of the your sonde between periods of usage will not only extend the life of the sensors but will also ensure that the unit will be ready to use as quickly as possible in your next application The recommended short term or interim storage procedure is simple and identical for all sondes models 600R 600XL 600XLM 6820 6600 and 6920 No matter what sensors are installed in the instrument it is important to keep them moist wit
68. eters to match those in the existing file Do not attempt to mix Add and Capture files Make sure the values of date and time e g 1 10 99 12 10 00 and the format e g 1 10 99 and not 10 1 99 are the same on both 610 and 6600 Make sure that the radix selection Or is the same in the 610 Setup menu and in the sonde AdvancedlSetup menus For the sonde if the Environmental Monitoring Systems Service Manual 9 Troubleshooting 610 locks up in the Run Microprocessor has locked up mode with no response from keypad 610 will not power up Microprocessor has locked up showing no response from keypad and no response when charger is installed 610 displays RUN only The 610 software setup has been in left hand corner of display and will not The 610 software setup has been Checksum error lost Syntax error during power up procedure and may not power down Section 2 comma selection is active the ee 99 radix will be and when inactive the radix will be Remove charge block from 610 backside The 610 screen should become blank Reinstall charge block and the 610 should return to normal operation Disassemble 610 and remove battery from circuit board Leave battery disconnected for about 30 minutes Reattach battery and attempt to power up the 610 Note that charge block must be installed to achieve power up Remove charge block from 610 ba
69. file as PRN CDF SDF Expected parameters Parameters not added to Y Add parameter are not displayed on axis list reports or plots Sensor disabled Check sensor setup instructions Unable to print Printer port improperly Try a screen print out to the reports or plots configured printer print screen Printer port improperly set Check setup Printer type improperly Check setup selected Print cable improperly Check connections at both ends E REN EQ Video screen of PC 15 Incorrect menu color option Select appropriate menu When selecting Prompt appears in place of Type menu and press enter sonde from PC6000 menu top line sonde menu Communication problem Make certain Com port not shown selection is correct YSI Incorporated Environmental Monitoring Systems Service Manual 4 Troubleshooting Section 2 2 3 SONDE COMMUNICATIO N PRO BLEMS For more information about PC6000 software please reference the 6 Series Environmental Monitoring Systems Operations Manual item 069301 To obtain this manual please contact YSI Customer Service SYMPTOM POSSIBLE CAUSE ACTION Screen is locked at Com port selected is assigned Select another com port connecting please to anther device i e Modem wait or mouse Cannot communicate Sonde not powered Check 12 vdc source secure connectors they are straight dry and clean Com port not selected Change to other Com port other peripheral on the same port Internal m
70. g A69304 November 1999
71. generally due to the roughness of the electrodes on the surface of the probe face The charge associated with the DO sensor must be in the range 25 to 75 or the error message will appear when calibration is attempted If this error message is encountered remove the DO probe from the sonde and resurface it according to the instructions in the 6 Series Operations Manual After resurfacing the probe activate the DO charge parameter in the Report setup section of the sonde software and confirm that the value is within the acceptable range After resurfacing allow the sensor to pulse in the Run mode for at least 5 minutes during which time the DO charge may be expected to drop in value if the sensor is still functional If resurfacing according to the instructions in the 6 Series Operations Manual does not result in a lowering of the charge contact YSI Technical Support for additional help Out of Range This message indicates that the output of the sensor being calibrated does not conform to the normal range for this parameter This problem could be due to either a malfunctioning sensor or to a calibration solution that is out of specification If this error message is encountered first insure that your standards for pH ORP ammonium nitrate chloride conductivity and turbidity have not been contaminated and that your DO sensor is in air DO Cal or in a solution of known dissolved oxygen concentration DO mg L Also be certain that you have entere
72. gs Opening of the sonde by non authorized service personnel will void the warranty The 600XLM s internal Printed Circuit Board contains static sensitive devices Disassemble the sonde at a static safe workstation or permanent damage may occur Do not use a screwdriver or other device to pry apart the assembly or permanent damage may occur Tools required 7 64 hex wrench small standard screwdriver lint free cloth and stopcock grease DISASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure 1 Thoroughly dry the outside of the sonde using an absorbent cloth Install the sensor guard to protect probes 2 Unscrew the battery cover and remove the batteries Re install the battery cover 3 Remove the two 7 64 hex screws located at the end of the sonde tube closest to the battery compartment 4 Grasp the sonde tube with one hand and the battery compartment with the other hand Carefully twist the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so those internal components are not damaged 5 Disconnect the 8 pin and 3 pin Amp connectors from the printed circuit board On sondes with vented level do not attempt to completely remove the battery compartment the pressure tube will keep the battery compartment attached to the bulkhead 6 Remove the two 7 64 hex screws that attach the sonde tube to the bulkhead or bulkhead depth module assembl
73. h module or sonde tube Failure to do so may damage the main seal causing permanent damage to the sonde 5 Plugin the 8 pin connector cap connector to the board NOTE Newer sondes have polarity markings on the connector cap These markings have to be in line with the proper polarity from the power lines located where the bulkhead was installed Red Black Older sondes don t have polarity markings on connector cap therefore don t be concerned how the connector is installed Install the 4 screws that attach the connector cap assembly to the sonde tube Install the cap assembly 6 Install the O ring screws 068248 until the O ring just touches the bulkhead Seat the O ring by turning the screw an additional 1 turn WARNING Once these screws are tightened the bulkhead should not twist when the sonde guard or storage cup are installed or removed If it does turn apply more torque to the screws 7 Clean inspect and grease the port plug O rings Screw the screws from each of the port plugs then tap both plugs into the bulkhead NOTE Make sure the screws are all the way in so the threads are not damaged 8 Inspect and lubricate probe O rings and sealing surfaces Re install probes 8 2 PC BOARD AN D DEPTH MO DULE REPLACEM EN T The Model 6920 printed circuit board utilizes state of the art SMT surface mount technology components In the unlikely event of a component failure YSI recommends that the entire PC board be
74. he probe crevices soak the probe in clean water for about an hour with occasional stirring If biological contamination of the reference junction is suspected or if good response is not restored by the above procedures perform the following additional cleaning step 1 Soakthe probe for approximately 1 hour in a 1 to 1 dilution of commercially available chlorine bleach 2 Rinsethe probe with clean water and then soak for at least 1 hour in clean water with occasional stirring to remove residual bleach from the junction If possible soak the probe for period of time longer than 1 hour in order to be certain that all traces of chlorine bleach are removed Then rerinse the probe with clean water and retest Dry the sonde port and probe connector with compressed air and apply a very thin coat of O ring lubricant to all O rings before re installation DEPTH SENSOR The depth sensor modules are factory installed options that are located between the bulkhead and the sonde tube For 600XL and 600XLM sondes there is a circular protective cap with two small holes The cap cannot be removed but a syringe is supplied in the maintenance kit to aid in cleaning the pressure port Fill the syringe with clean water place the tip of the syringe into one of the holes and gently force water through the pressure port Ensure that the water comes out of the other hole Continue flushing the pressure port until the water comes out clean CAUTION Never try t
75. hout actually immersing them in liquid which could cause some of them to drift or result in a shorter lifetime For example the reference junction of a pH sensor must be kept moist to minimize its response time during usage but continued immersion in pure water may compromise the function of the glass sensor and or result in long term leaching of the reference junction YSI recommends that short term storage of all multi parameter instruments be done by placing approximately 0 5 inch of water in the calibration and or calibration cup that was supplied YSI Incorporated Environmental Monitoring Systems Service Manual 17 Care Maintenance and Storage Section 3 with the instrument and by placing the sonde with all of the probes in place into the cup The use of a moist sponge instead of a half inch of water is also acceptable as long as its presence does not compromise the attachment of the calibration cup to the sonde The calibration cup should be sealed to prevent evaporation The key for interim storage is to use a minimal amount of water so that the air in chamber remains at 100 percent humidity The water level has to be low enough so that none of the sensors are actually immersed Any type of water can be used in this protocol Distilled deionized or tap water If the storage water is inadvertently lost during field sampling studies environmental water can be used to provide the humidity Sondes with level sensors have a tube that ven
76. ime and zero oxygen offset by placing the DO sensor in a zero oxygen environment after being calibrated run in a 100 saturated environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution 2 dissolved oxygen reading should read 2 in 3 5 minutes Rinse the sonde O RP TEST 1 Goto the ORP calibrate mode 2 Type uncal 3 Place the 600XL ORP electrode in Zobell solution and note the temperature 4 The millivolt reading should be within 50 mV of the value in the Millivolt versus Temperature Chart for Zobell solution 5 Re calibrate if required 6 Rinse the sonde DEPTH 1 Stretch out the 600XL cable YSI Incorporated Environmental Monitoring Systems Service Manual 33 600XL Sonde Section 5 2 Hold the end of a tape measure to the top hole in the depth plug The depth plug is located on the side of the depth module 3 Stretch the tape measure along the cable 4 For sondes with shallow depth capability place a piece of waterproof tape at 15 feet For medium depth capability place a piece of waterproof tape at 50 feet 5 Lower the 600XL into still water until the tapeline on the cable reaches the water s surface Check the readings Shallow sensors should read 15 06 feet Medium depth sensors should read 50 4 feet YSI Incorporated Environmental Monitoring Systems Service Manual 34 600XL Sonde Section 5 5 4 SO N DE EXPLO DED VIEW S
77. ircuit board utilizes state of the art SMT surface mount technology components In the unlikely event of a failure YSI recommends that the entire PC board be replaced not repaired Warning The 600R s PC board assembly contains static sensitive devices so always handle it at a static free ESD workstation 4 3 TEST PRO CEDURE The following procedures verify the functionality and accuracy of each of the Model 600R s measurement parameters Equipment required Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffer 4 stirred temperature standard with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution and tape measure PRE TEST e If necessary make repairs to the system Perform all routine probe and sonde maintenance before testing Maintenance procedures are described in Section 3 e Calibrate the Model 600 s DO and pH parameters using procedures described in the 6 Series Operations Manual During pH calibration verify that the mV reading are within acceptable range e Do not calibrate conductivity unless necessary Under normal circumstances cleaning the conductivity sensor will restore the system normal operation e It is not necessary to remove the sonde guard to perform the tests described below prevent carryover between tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the s
78. ke certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Fill the provided storage vessel with a solution which is 2 molar in potassium chloride to a level which completely covers the dissolved oxygen and pH probes insert the sonde and seal the vessel with the cap and O ring O RP Long Term Storage ORP is not available on the Model 600R For the Model 6600 600XL 6820 and 6920 systems the recommended long term storage protocol is identical Remove the probe from the sonde and seal the vacant port with the provided plug Place the probe in the storage vessel plastic boot or bottle which was in place on delivery The vessel should contain a solution which is 2 molar in potassium chloride Make certain that the vessel is sealed to prevent evaporation of the storage solution YSI Incorporated Environmental Monitoring Systems Service Manual 21 Care Maintenance and Storage Section 3 AMMONIUM NITRATE AN D CHLORIDE The active element in these ion selective electrode sensors is a polyvinyl chloride PVC membrane that is impregnated with the reagent that provides specificity for either ammonium or nitrate The useful life of this sensor can be reduced if the membrane is stored immersed in water Thus storage in dry air is recommended for long term storage While dry air is slightly preferable for general storage the short term storage of these sensors in the sonde with the entire sensor array in
79. lling on the wire Reference Lemos the Bulkhead Wiring Diagram Section 6 6 or plug Wires in connector positions 1 2 3 4 5 6 8 10 12 15 16 19 and 20 must be removed from the connector body Wires from the depth module in positions 7 9 11 and 13 can remain attached to the 20 pin connector 6 Remove the two 7 64 hex screws that attach 4 ea depth Bulkhead the depth module to the bulkhead module wires from wires 4 pin Lemo 7 Grasp the depth module with one hand and the bulkhead assembly with the other hand Carefully separate the two sections while guiding the bulkhead wires through the two depth module holes Extreme care must be exercised when the two parts separate so those internal components are not damaged Depth Module Figure 5 Note The depth module and printed circuit board must be replaced as an entire assembly See PC Board and Depth Module Replacement Section 6 2 ASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure Inspect all O rings and sealing surfaces for blemishes scratches and dirt If necessary clean with a lint free cloth and isopropyl alcohol Before assembly O rings and sealing surfaces should be lightly lubricated with stopcock grease Also the desiccant pack should be dried at 120 F for 30 minutes Warning It is extremely important to properly position all cables wires so that they will not become pinched between the bulkhead depth module or sonde tube
80. manent damage may occur Do not use a screwdriver or other device to pry apart the assembly or permanent damage may result Tools required Phillips screwdriver 3 8 or larger nut driver prying block 1 2 X 3 4 X 3 see Figure 2 O ring lubricant and large pliers SO N DE DISASSEM BLY Cond Temp 6 Pin Lemo pH ORP ISE 1 ISE2 Dissolved Oxygen 4 Pin Lemo 3 Pin Lemo 1 Remove the probe guard or storage cup Thoroughly dry the outside of the sonde and probes using an absorbent cloth Remove all of the probes 2 Locate the Bulkhead Screw Port Plugs See Figure 6 At the center of each plug is a tightened Phillips screw Loosen one of the screws approximately 1 4 WARNING Loosening the screw too far may cause damage to the plug s threads during the next step EM Screw Port Figure 6 3 Steady the sonde body in a vise or while sitting between your legs It will take a significant amount of force to remove the Bulkhead Screw Port Plugs so be sure that the sonde is firmly held during this procedure YSI Incorporated Environmental Monitoring Systems Service Manual 48 6820 Sonde Section 7 10 Position a 1 2 thick prying block and nut driver as shown in Figure 7 With the nut driver opening attached under the lip of the loosened screw the plug from the bulkhead by apply downward pressure on the handle of the nut driver Repeat steps 2 through 5 for the second Bulkhead Port Plug
81. mbly can be separated from the Front Panel Assembly by removing the 4 slotted screws located on the back corner of the Display PCB Assembly gt Display Module Assembly can be removed from the display Assembly by removing the 4 slotted screws located on the back corner of the Display Module Assembly I O Plate I O and Power Supply Board Removal 1 Unplug pull forward and move out of the way all cables that are attached to Pluggable Socket Connectors 2 Remove the 4 hex screws than retain the I O Plate to the enclosure WARNING 1 When removing the I O Plate care must be taken not to damage the Sonde Interface Cable This cable will have to be unplugged from the I O Board before the I O Plate can be completely removed 2 When removing the I O Plate both the I O and Power Supply Boards will be removed YSI Incorporated Environmental Monitoring Systems Service Manual 77 6500 Environmental Process Monitor Section 10 3 Carefully pull the I O Plate far enough out of the enclosure to access the Sonde Interface Cable Unplug the Sonde Interface Cable from the I O Board Assembly The I O Plate I O Board and Power Supply Board can now be removed from the enclosure for servicing gt remove the Power Supply Board from the I O Board Assembly disconnect the AC and DC Cables and disconnect the 4 mounting tabs snaps Removal of the I O Board Assembly from the I O Plate can be accomplished by removing the 7 slotted mou
82. mbly or permanent damage may occur Tools required 9 64 hex wrench small standard screwdriver lint free cloth and stopcock grease 9 2 PC BOARD AN D DEPTH MODULE REPLACEMENT The Model 6600 printed circuit board utilizes state of the art SMT surface mount technology In the unlikely event of a component failure YSI recommends that the entire PC board be replaced not repaired Notice for sondes with depth Model 6600s with depth require replacement of both the printed circuit board and depth module if either fail because they are specially characterized as a pair at the factory For disassembly procedures see Section 9 2 Sonde Disassembly Assembly Warning The 6600 PC board assembly contains static sensitive components so always handle it at a static free ESD workstation DISASSEM BLY PRO CEDURE Reference the Assembly Drawing during this procedure 1 Thoroughly dry the outside of the sonde using an absorbent cloth Install the sensor guard to protect probes 2 With a 9 64 hex wrench remove the two 8 32 cap screws located at the end of the sonde tube closest to the bulkhead If the sonde has a depth module these screws will allow the depth module to separate from the sonde tube 3 Grasp the sonde tube with one hand and the bulkhead with the other hand Carefully twist the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so those internal components
83. ment of both the board and depth sensor if either fail because they are specially characterized as a pair at the factory See the Replacement Parts List WARNING The 6820 PC board assembly contains static sensitive devices so always handle it at a static safe workstation 7 3 TEST PRO CEDURE The following procedures verify the functionality and accuracy of each of the Model 6820 s measurement parameters Equipment required Model 610 display logger or a PC with EcoWatch for Windows or PC6000 software 10 mS cm conductivity calibrator solution pH buffers 4 7 and 10 stirred temperature standard with 0 1 C accuracy 100 argon nitrogen gas or a sodium sulfite Na SO solution Zobell solution ammonium 100 mg L standard nitrate 100 mg L standard turbidity 10 NTU standard acridine orange and a tape measure PRE TEST e If necessary make repairs to the system Perform all routine probe and sonde maintenance before testing See Troubleshooting and Maintenance Sections 2 and 3 Calibrate the Model 6820 DO pH depth turbidity chlorophyll chloride ammonium and nitrate parameters using procedures described in the Calibration Section of the 6 Series Operations Manual e Do not calibrate conductivity unless necessary Under normal circumstances cleaning the conductivity sensor will restore the system to normal operation e It is not necessary to remove the sonde guard to perform the tests described below To prevent carryover betwe
84. n pH Sensor Instruments of this design were generally sold prior to January 1996 and can be identified by the presence of only 3 probes temperature dissolved oxygen pH in the bulkhead Be certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Fill the provided storage vessel with a solution that is 2 molar 2 M in potassium chloride to a level that completely covers the dissolved oxygen and pH probes See the following section for instructions on preparation of the KCI storage solution Seal the vessel with the cap and O ring 3 4 PRO BE STO RAGE LONG TERM STO RAGE OF PRO BES The following sections provide additional details on the storage of individual sensors associated with instruments in the 6 series product line from YSI TEM PERATURE No special precautions are required Sensors can be stored dry or wet as long as solutions in contact with the thermistor probe are not corrosive for example chlorine bleach CONDUCTIVITY No special precautions are required Sensors can be stored dry or wet as long as solutions in contact with thermistor probe and conductivity electrodes are not corrosive for example chlorine bleach However it is recommended that the sensor be cleaned with the provided brush prior to long term storage DISSO LVED O XYG EN Rapid Pulse dissolved oxygen sensors should always be stored with a membrane and electrolyte in place and in such a way that the dryi
85. ng Systems Operations Manual 100 APPEN DIX D SO LUBILITY AN D PRESSURE ALTITUDE TA BLES Table 1 Solubility of Oxygen mg L in Water Exposed to Water Saturated Air at 760 mm Hg Pressure Salinity Measure of quantity of dissolved salts in water Chlorinity Measure of chloride content by mass of water S o9 1 80655 x Chlorinity Solubility and Pressure Altitude Tables Appendix D YSI Incorporated Environmental Monitoring Systems Operations Manual 102 Solubility and Pressure Altitude Tables Appendix D Table 2 Calibration Values for Various Atmospheric Pressures and Altitudes PRESSURE ALTITUDE CALIBRATION VALUE Inches Hg mmHg Millibars Percent Saturation YSI Incorporated Environmental Monitoring Systems Operations Manual 103 Solubility and Pressure Altitude Tables Appendix D Table 3 Conversion Factors for Feet Meters Celsius Fahrenheit mg L ppm D egrees C elsius D egrees F ahrenheit 5 9x F 32 Degrees F ahrenheit D egrees Celsius 9 5 32 M illigrams per liter mg L Parts per million ppm M ultiply by 1 Table 4 Conversion Factors for Common Units of Pressure Tito Paseats mmHg Pst inches Hig YSI Incorporated Environmental Monitoring Systems Operations Manual 104 YSI incorporated 1700 1725 Brannum Lane Yellow Springs Ohio 45387 USA 800 765 4974 937 767 7241 937 767 9320 Website E mail info ysi com Item 069304 Drawin
86. ng during this procedure Inspect all O rings and sealing surfaces for blemishes scratches and dirt If necessary clean with a lint free cloth and isopropyl alcohol Before assembly O rings and sealing surfaces should be lightly lubricated with stopcock grease Also the desiccant pack should be dried at 120 F for 30 minutes Warning It is extremely important to properly position all cables wires so that they will not become pinched between the bulkhead depth module or sonde tube Failure to do so may compromise a main seal causing permanent damage to the sonde If the depth module was separated from the bulkhead as part of the disassembly procedure see the next section Depth Module Installation before assembly 1 Carefully plug the bulkhead s 20 pin Amp connector into the printed circuit board assembly 2 With shock mounts properly positioned on printed circuit board carefully install the printed circuit board into sonde tube Install the desiccant pack into sonde tube Sondes with vented level Inspect the end of the pressure tube for holes or breaks Before the printed circuit board is installed in the sonde tube pull the vent tube from battery compartment through the sonde tube While holding the vent tube install the printed circuit YSI Incorporated Environmental Monitoring Systems Service Manual 31 600XL Sonde Section 5 board into the sonde tube Carefully press the pressure tube onto the depth module nipple Ch
87. ng out of the electrolyte on the probe face is minimized For long term storage the medium should be water rather than the moist air used in interim storage The long term storage protocol is also dependent on the instrument under consideration For the 600XL 600XLM 6820 6600 and 6920 two long term storage methods are equally acceptable 1 Remove all probes other than dissolved oxygen conductivity and temperature from the sonde and seal the vacant ports with the provided port plugs Leave the electrolyte and membrane in place on the dissolved oxygen sensor Fill the calibration cup with water YSI Incorporated Environmental Monitoring Systems Service Manual 19 Care Maintenance and Storage Section 3 tap deionized or distilled are equally acceptable and insert the sonde Make certain the water level is high enough to completely cover the DO sensor Seal the vessel to prevent evaporation of the water At the end of the storage time remove the existing membrane and re membrane the probe using new electrolyte 2 Remove the dissolved oxygen sensor from the sonde leaving the electrolyte and membrane in place Store the probes in water tap deionized or distilled are equally acceptable in a beaker flask or other vessel of the user s choice Be sure not to damage the membrane or the probe tip when placing the probe on the bottom of the vessel If possible cover the vessel with parafilm or plastic wrap to minimize evaporation of the w
88. nium or nitrate procedure readings are unstable Probe requires calibration Follow cal procedures or inaccurate Error Sensor and milli volt output for Buffer 42 170 185 MV 40 messages appear known pH buffers is incorrect MV during calibration Buffer 72 0 MV 40 Buffer 10 2 170 185 MV 40 MV The span between the 4 and 7 and the 7 and 10 buffers must be 170 185 MV If the pH probe is not working correctly a Cal error will appear on the screen PH probe reference junction Soak probe in tap water or has dried out from improper buffer until readings become storage stable Dry connector reinstall probe Probe has been damaged Replace probe Calibration solutions out of Use new calibration solutions spec or contaminated with other solution ORP fails Zobell check Take into account temperature dependence of Zobell solution readings Internal failure Return sonde for service Depth unstable or Depth sensor has not been Follow depth zero procedure Depth sensor access hole is Follow depth cleaning YSI Incorporated Environmental Monitoring Systems Service Manual 7 Troubleshooting Section 2 Conductivity unstable Conductivity improperly Follow cal procedure or inaccurate Error calibrated messages appear Conductivity probe requires Follow cleaning procedure cleaning during calibration Conductivity probe damaged Replace probe Calibration solution out of spec Use new calibration solution or cont
89. nting screws ASSEM BLY 1 Inspect all gaskets and sealing surfaces for blemishes scratches and dirt As necessary clean or replace affected parts Case gasket replacement is recommended if the existing case gasket has been in place for more than one year and the case is opened 2 Remove old desiccant packs from the enclosure Place two new desiccant packs inside the 6500 The YSI 6506 contains 6 packs of desiccant To assemble simply reverse disassembly steps NOTE Be certain that the Mylar sheet 2 5 x 3 5 inches has been reinstalled between the I O board and the power supply board YSI Incorporated Environmental Monitoring Systems Service Manual 78 6500 Environmental Pr 10 2 SY Bubble Part Number Number 1 115953 2 065949 3 065943 4 065911 5 065914 6 065930 7 065903 8 065912 9 065929 10 065926 11 065936 12 065974 YSI Incorporated ocess Monitor Description Panel Assy Front Spacer LCD Conn Pluggable 8 Cable Display I O Cable DC Gasket MS 8 Enclosure 4 Cable Sonde Inter Screw Sealing Fitting Conduit Cap Dust MS 8 Gasket Case 6500 MONITOR EXPLO DED VIEW Bubble Number 13 14 15 16 17 18 19 20 21 22 23 Part Number 115952 115905 065915 065942 065944 115906 065907 065913 065917 065928 065918 065910 Environmental Monitoring Systems Service Manual Section 10 Description Display Mod Assy Display PCB Assy
90. o remove the circular pressure port cap For 6920 6820 and the 6600 sondes the depth sensor is exposed to the water by either a circular access port on the side of the sonde or a though hole on a module just above the sonde bulkhead A syringe is supplied in the maintenance kit to aid cleaning the pressure port Fill the syringe with clean water place the tip of the syringe into one of the holes and gently force water through the access port Ensure that the water comes out of the other hole Continue flushing the pressure port until the water comes out clean CAUTION Do not attempt to remove the depth module from the sonde body YSI Incorporated Environmental Monitoring Systems Service Manual 15 Care Maintenance and Storage Section 3 LEVEL SEN SOR For level sensors follow all the maintenance procedures given for depth sensors In addition ensure that the desiccant always remains active Active desiccant is a distinctive blue color When it can absorb no more moisture it is a rose red or pink color For either the cartridge or the canister the end that is vented to atmosphere will begin to change color first As long as the desiccant closest to the sonde is blue no maintenance is required Local conditions will dictate how long the desiccant will last In humid environments the desiccant may need to be changed or regenerated well before it is completely exhausted to ensure that it lasts the entire deployment You may regenerate the de
91. ode junction of the sensor CAUTION When using a cotton swab with the 6561 or 6565 be careful NOT to wedge the swab tip between the guard and the glass sensor If necessary remove cotton from the swab tip so that the cotton can reach all parts of the sensor tip without stress If good pH and or ORP response is not restored by the above procedure perform the following additional procedure 1 Soak the probe for 10 15 minutes in clean water containing a few drops of commercial dishwashing liquid 2 GENTLY clean the glass bulb and platinum button by rubbing with a cotton swab soaked in the cleaning solution 3 Rinse the probe in clean water wipe with a cotton swab saturated with clean water and then rerinse with clean water YSI Incorporated Environmental Monitoring Systems Service Manual 14 Care Maintenance and Storage Section 3 If good pH and or ORP response is still not restored by the above procedure perform the following additional procedure 1 Soak the probe for 30 60 minutes in one molar 1 M hydrochloric acid This reagent can be purchased from most distributors Be sure to follow the safety instructions included with the acid 2 GENTLY clean the glass bulb and platinum button by rubbing with a cotton swab soaked in the acid 3 Rinse the probe in clean water wipe with a cotton swab saturated with clean water and then rerinse with clean water To be certain that all traces of the acid are removed from t
92. of harmful quantities form the solutions is considered unlikely given the low concentration of lithium and the volumes likely to be handled FIRST AID INHALATION Remove to fresh air If not breathing give artificial respiration If breathing is difficult give oxygen Call a physician SKIN CONTACT Remove contaminated clothing immediately Wash affected area with soap or mild detergent and large amounts of water approx 15 20 minutes EYE CONTACT Wash eyes immediately with large amounts of water approx 15 20 minutes occasionally lifting upper and lower lids Seek medical attention immediately INGESTION Immediately rinse out mouth with large quantities of water If reagent was swallowed give 2 glasses of water and seek medical attention immediately YSI Incorporated Environmental Monitoring Systems Service Manual 93 Health and Safety Information Appendix A YSI Nitrate Standard Solutions 3885 3886 and 3887 INGREDIENTS Potassium Nitrate Magnesium Sulfate Gentamycin Sulfate Trace CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION May be harmful by ingestion or skin absorption May cause eye and skin irritation The chemical physical and toxicological properties have not been thoroughly investigated FIRST AID INHALATION Remove to fresh air If not breathing give artificial respiration If breathing is difficult give oxygen Call a physician SKIN CONTACT Remove c
93. onde s outside surfaces YSI Incorporated Environmental Monitoring Systems Service Manual 24 600R Sonde Section 4 pH TEST 1 Putthe Model 600 in RUN mode 2 Place the Model 600 in pH 4 buffer and allow to stabilize 3 The readings must be between 3 9 4 1 pH units within 2 minutes CONDUCTIVITY TEST 1 Place the Model 600 in 10 ms cm Move the Model 600 up and down in the solution to remove trapped bubbles Moving the sonde until the readings stabilize 2 Thereading must be within 2 Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning TEM PERATURE TEST 1 Place the Model 600 in a well stirred bath of a known temperature 2 The Model 600 must read within 25 C of the standard O XYG EN TEST Testthe oxygen response and probe background current by placing the DO sensor in a zero oxygen environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution 2 The dissolved oxygen reading must read lt 2 in 3 5 minutes YSI Incorporated Environmental Monitoring Systems Service Manual 25 600R Sonde 4 4 SO N DE EXPLO DED VIEW S Section 4 Assembly Drawing Bubble 116744 Circuit Board Assy 063130 25 Non vented CE 063131 50 Non vented CE YSI Incorporated Es e 00513 Screw 602250 Environmental Monitoring Systems Service Manual 26 600R Sonde Section 4
94. onde for instructions on changing the DO membrane After removing the used membrane from the tip of the 6562 probe examine the electrodes at the tip of the probe If either or both of the silver electrodes are black in color the probe should be resurfaced using the fine sanding disks which are provided in the 6035 reconditioning kit Figure 1 To resurface the probe using the fine sanding disk follow the instructions below See Figure 1 First dry the probe tip completely with lens cleaning tissue Next hold the probe in a vertical position place one of the sanding disks under your thumb and stroke the probe face in a direction parallel to the gold electrode located between the two silver electrodes The motion is similar to that used in striking a match Usually 10 15 strokes of the sanding disk are sufficient to remove black deposits on the silver electrodes However in extreme cases more sanding may be required to regenerate the original silver surface YSI Incorporated Environmental Monitoring Systems Service Manual 13 Care Maintenance and Storage Section 3 After completing the sanding procedure repeatedly rinse the probe face with clean water and wipe with lens cleaning tissue to remove any grit left by the sanding disk After cleaning thoroughly rinse the entire tip of the probe with distilled or deionized water and install a new membrane IMPORTANT Be sure to 1 Use only the fine sanding disks provided in the 6035
95. ontaminated clothing immediately Wash affected area with soap or mild detergent and large amounts of water approx 15 20 minutes EYE CONTACT Wash eyes immediately with large amounts of water approx 15 20 minutes occasionally lifting upper and lower lids Seek medical attention immediately INGESTION Immediately rinse out mouth with large quantities of water If irritation occurs or reagent was swallowed seek medical attention immediately YSI Incorporated Environmental Monitoring Systems Service Manual 94 Health and Safety Information Appendix A YSI Turbidity Standards 3845 3846 3487 6072 and 6073 INGREDIENTS Styrene divinylbenzene copolymer spheres The material is not volatile and has no known ill effects on skin eyes or on ingestion Therefore no special precautions are required when using the standards General precautions should be adopted as required with all materials to minimize unnecessary contact Note however that the chemical physical and toxicological properties have not been thoroughly investigated FIRST AID SKIN CONTACT Remove contaminated clothing Wash affected area with soap or mild detergent and water EYE CONTACT Wash eyes immediately with large amounts of water approx 15 20 minutes occasionally lifting upper and lower lids If irritation occurs seek medical attention immediately INGESTION Rinse out mouth with large quantities of water If irritation occurs or reagen
96. ontinue to move the sonde until the readings stabilize 2 The reading should be within 5 of the standard value Errors could be the result of bubbles in the cell low solution level or the need for cell cleaning See Troubleshooting Section 2 TEM PERATURE TEST 1 Place the 6600 in a well stirred bath of a known temperature preferably between 20 and 30 2 The 6600 must read within 25 C of the standard OXYGEN TEST 1 Testthe oxygen response time and zero oxygen offset by placing the DO sensor in a zero oxygen environment after being calibrated run in a 10046 saturated environment To establish zero oxygen surround the DO sensor with argon gas nitrogen gas or sodium sulfite solution 2 The dissolved oxygen reading should read 246 in 3 5 minutes 3 Rinse the sonde NITRATE TEST 3 Place the 6920 in 100 mg L Nitrate standard The reading should be 100 10 mg L with a 40 25 mV indication 4 Rinsethe sonde AMMONIUM TEST 3 Place the 6920 in 100 mg L Ammonium standard The reading should be 100 10 mg L with a 110 50 mV indication 4 Rinse the sonde CHLO RIDE 3 Place the 6920 in 1000 mg L chloride standard The reading should be 1000 150 mg L with a 100 50 mV indication 4 Rinsethe sonde TURBIDITY 4 Place the 6920 in 10 NTU Turbidity standard reading should be 8 to 12 NTU 5 Rinse the sonde YSI Incorporated Environmental Monitoring Systems Service Manual 71 6600 Sonde
97. orkstation YSI Incorporated Environmental Monitoring Systems Service Manual SECTION 2 TROUBLESHO O TIN G This section contains troubleshooting tables that will help identify the causes of the most common difficulties that may occur while operating the YSI 6 Series equipment The Symptom column describes the type of difficulty that you might experience The Possible Cause column describes the conditions that might cause the stated symptom The Action column provides simple steps that can be followed to correct for the possible cause and cure the symptom being experienced The column entitled Ref is the number of the reference section and subsection in a corresponding YSI Operations Manual where you may find additional information Troubleshooting problems have been categorized into six general areas Calibration Error Messages PC6000 Software Sonde Communication Sensor Performance 6500 Environmental Process Monitor Performance 610 Display Logger Performance If you need assistance that this Troubleshooting section can not provide please contact YSI Technical Support an authorized regional service center or your authorized YSI Dealer 2 1 CALIBRATION ERRO RS There is only three Calibration Error messages that are possible They are listed below instead of in the troubleshooting table Only two of the error messages are related to sensor performance High DO Charge This message indicates a malfunction in the DO sensor that is
98. ouse Try other PC 610 hand held terminal or dumb terminal are clean and dry Check battery contacts for corrosion or oxidation batteries if they are damaged Confirm battery voltage minimum 5 volts for the 600XLM sonde minimum 9 volts for the 6600 6920 6600 sondes Scrambled data Unmatched baud rate between Match the baud rate host and sonde Host is too slow Use faster computer Interface cable failure Check cable for damage If necessary return for service Internal failure Return sonde for service YSI Incorporated Environmental Monitoring Systems Service Manual 5 Troubleshooting Section 2 2 4 SEN SO R PERFO RM AN CE PRO BLEM S For more information about PC6000 software please reference the 6 Series Environmental Monitoring Systems Operations Manual item 069301 To obtain this manual please contact YSI Customer Service SYMPTOMS POSSIBLE CAUSE ACTION ISE s unstable pH probe not in calibrator Put pH probe in calibrator solution solution with ISE sensor ISE sensor has been exposed Soak in 100 mg L standard for ISE sensor was exposed to Soak in 100 mg L standard for water with a conductivity gt 2 a few hours overnight mS cm Dissolved Oxygen Probe not properly calibrated Follow DO cal procedures reading unstable or Membrane not properly Follow 6562 setup procedure inaccurate installed or may be punctured DO probe electrodes require Follow DO cleaning cleaning procedure Use 6035 maint Kit
99. r to 1996 none of the probes are user replaceable and a different storage technique is required Make certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Fill the provided storage vessel with a solution which is 2 molar 2 M in potassium chloride to a level that completely covers the dissolved oxygen and pH probes Seal the vessel with the cap and O ring At the end of the storage time remove the existing membrane and re membrane the probe using new electrolyte YSI Incorporated Environmental Monitoring Systems Service Manual 20 Care Maintenance and Storage Section 3 pH The key to pH probe storage short or long term is to make certain that the reference electrode junction does not dry out Junctions which have been allowed to dry out due to improper storage procedures can usually be rehydrated by soaking the sensor for several hours overnight is recommended in a solution which is 2 molar in potassium chloride see dissolved oxygen section above for preparation of this solution If potassium chloride solution is not available soaking the sensor in tap water or commercial pH buffers may restore probe function However in some cases the sensor may have been irreparably damaged by the dehydration and will require replacement It is also important to remember not to store the pH sensor in distilled or deionized water as the glass sensor may be damaged by exposure to this medium The long te
100. rdance with YSI s written instructions or standard industry procedure iv any improper repairs to the product v use by you of defective or improper components or parts in servicing or repairing the product or vi modification of the product in any way not expressly authorized by YSI THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE YSI s LIABILITY UNDER THIS WARRANTY IS LIMITED TO REPAIR OR REPLACEMENT OF THE PRODUCT AND THIS SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY DEFECTIVE PRODUCT COVERED BY THIS WARRANTY IN NO EVENT SHALL YSI BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECTIVE PRODUCT COVERED BY THIS WARRANTY YSI Incorporated Environmental Monitoring Systems Service Manual 87 Warranty and Service Information Section 12 AUTHO RIZED U S SERVICE CEN TERS North Region YSI Incorporated Repair Center e 1725 Brannum Lane Yellow Springs Ohio e 45387 e Phone 800 765 4974 e 937 767 7241 E Mail info ysi com South Region Lynch amp Associates 212 E 2nd Street e Suite 203 Pass Christian Mississippi e 39571 e Phone 800 333 2252 228 452 4612 Fax 228 452 2563 West Region EQUIPCO Sales and Service 9 1110 Burnett Avenue Suite D Concord CA 94520 e Phone 800 550 5875 Fax 510 674 8655 Vermont North
101. rm storage protocol is dependent on the instrument For Model 600XL 6820 6600 and 6920 systems the recommended long term storage protocol is identical Remove the probe from the sonde and seal the vacant port with the provided plug Place the probe in the storage vessel plastic boot or bottle which was in place on delivery The vessel should contain a solution which is 2 molar in potassium chloride Make certain that the vessel is sealed to prevent evaporation of the storage solution Electrical tape can be used to provide a removable seal between the boot and the module body For Model 600 systems equipped with a replaceable reference electrode module remove the reference module and plug the open port with the provided insert Place the module in the storage vessel boot which was in place on delivery and seal the vessel with electrical tape The vessel should contain a solution which is 2 molar in potassium chloride and should be sealed to prevent evaporation of the storage solution Make certain that the dissolved oxygen sensor has an undamaged membrane and electrolyte in place Fill the provided sonde storage vessel with tap water insert the sonde and seal the vessel with the cap and O ring Do not use deionized or distilled water in this case as it may damage the pH glass sensor that must remain in the sonde For Model 600 systems equipped with a combination pH probe purchased prior to 1996 a different storage technique is required Ma
102. ructions must be followed Wires from the bulkhead are fed through the depth module making this a tedious procedure 1 Onthe back of the depth module locate bulkhead wires from the 3 4 and 6 pin Lemo connectors Reference the Depth Module figure 4 drawing below Carefully remove these wires from the body of the 20 pin Amp connector by lightly pushing the tab on the side of connector in while pulling on the wire Reference the Bulkhead Wiring Diagram in Bulkhead wires Nipple Fitting Secti from 3 amp 6 pin or plug ection 5 4 Sonde Exploded Views emos 2 Wires in connector positions 1 2 3 4 5 6 8 10 12 15 16 19 and 20 must be removed from the connector body Wires from the depth module in positions 7 9 11 and 13 can remain attached to the 20 pin connector 3 Remove the two 7 64 hex screws that attach the depth module to the bulkhead 4 ea depth Bulkhead module wires from 4 Grasp the depth module with one hand and wires 4 pin Lemo the bulkhead assembly with the other hand Carefully separate the two sections while guiding the bulkhead wires through the two depth module holes Extreme care must be exercised when the two parts separate so that the internal components are not damaged Depth Module Figure 4 Note The depth module and printed circuit board must be replaced as an entire assembly See Section 5 2 PC Board and Depth Module Replacement ASSEM BLY PRO CEDURE Reference the Assembly Drawi
103. siccant replace the desiccant in the cartridge or canister or replace the entire cartridge or canister See the 6 Series Operations Manual for more information To regenerate the desiccant remove it from the unit and spread it evenly one granule deep on a suitable tray Heat for about one hour at about 200 C about 400 F The desiccant should then be cooled in a suitable tight container before refilling the unit The color of the desiccant will return to blue if the regeneration cycle has been successful The felt filters should also be dried at about 100 C about 200 F for about 30 minutes before assembly Desiccant material is sold separately Both the cartridge and canister can easily be opened emptied and refilled CAUTION It is important to keep the tube in vented sondes and cables dry They are supplied with caps for closing the volume when not in use Keep the caps on until just before calibration and deployment For storage replace the caps 6882 CHLO RIDE 6883 NITRATE AND 6884 AMMONIUM SEN SO RS You should clean these probes whenever deposits or contaminants appear on the ion selective membranes located on the tips of these sensor modules Figure 2 If possible the module should be cleaned while installed in the sonde bulkhead Use clean water and a moist piece of lens cleaning tissue to gently wipe the sensor membranes until no more contaminants are removed However under some conditions it may be necessary to r
104. ssary Under normal circumstances cleaning the conductivity sensor will restore the system to normal operation e It is not necessary to remove the sonde guard to perform the tests described below To prevent carryover between tests rinse the sonde thoroughly in water shake the excess off and out of the sonde Dry the sonde s outside surfaces The pH probe is also the reference for the other ORP sensor Thus the pH probe must be within specifications or the ORP readings may be affected e Under Report Setup in the 6600 main menu turn on the millivolt reading for the ISEs pH and or ORP being tested YSI Incorporated Environmental Monitoring Systems Service Manual 70 6600 Sonde Section 9 pH TEST 1 Putthe 6600 in Run mode with pH millivolt Report setting activated 2 Place the 6600 in pH 4 buffer and allow to stabilize 3 Within 2 minutes the readings should be between 3 9 4 1 pH units and 150 to 210 mV 4 Rinse thoroughly and place the 6600 in pH 10 buffer Allow time for readings to stabilize 5 Within 2 minutes the readings should be between 9 9 10 1 pH units and 150 to 210 mV 6 Rinse thoroughly and place the 6600 in pH 7 buffer Allow time for readings to stabilize 7 Within 2 minutes the readings should be between 6 9 7 1 pH units and 30 to 30 mV C ON DUCTIVITY TEST 1 Place the 6600 10 mS cm conductivity calibrator solution Move the 6600 up and down in the solution to remove trapped bubbles C
105. t was swallowed seek medical attention as a precaution YSI Incorporated Environmental Monitoring Systems Service Manual 95 Health and Safety Information Appendix A YSI Replacement Desiccant 065802 INGREDIENTS Calcium Sulfate and Calcium Chloride CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION MAY AFFECT MUCOUS MEMBRANES FIRST AID SKIN CONTACT Flush with water EYE CONTACT Flush with water If irritation continues obtain medical attention INGESTION If patient is conscious induce vomiting Obtain medical attention YSI Incorporated Environmental Monitoring Systems Service Manual 96 APPEN DIX B REQ UIRED NOTICE The Federal Communications Commission defines this product as a computing device and requires the following notice This equipment generates and uses radio frequency energy and if not installed and used properly may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class A or Class B computing device in accordance with the specification in Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference in a residential installation However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on th
106. ter 6103 MS 8 Dust Cover caps connector when not in use VVVVVVVVVVVVV VV V CONDUCTIVITY REAGENTS gt 3161 Calibrator Solution 1 000 uS cm quart gt 3163 Calibrator Solution 10 000 uS cm quart gt 3165 Calibrator Solution 100 000 uS cm quart gt 3167 Calibrator Solution 1 000 uS cm box of 8 pints gt 3168 Calibrator Solution 10 000 uS cm box of 8 pints 3169 Calibrator Solution 100 000 uS cm box of 8 pints pH REAGENTS 3821 pH 4 Buffer box of 6 pints gt 3822 pH 7 Buffer box of 6 pints gt 3823 pH 10 Buffer box of 6 pints O RP REAG EN TS gt 3682 Zobell Solution 125 ml AMMONIUM REAGEN TS V gt 3841 1 mg L ammonium nitrogen standard solution gt 3842 10 mg L ammonium nitrogen standard solution gt 3843 100 mg L ammonium nitrogen standard solution N ITRATE REAG EN TS gt 3885 1 mg L nitrate nitrogen standard solution gt 3886 10 mg L nitrate nitrogen standard solution gt 3887 100 mg L nitrate nitrogen standard solution YSI Incorporated Environmental Monitoring Systems Operations Manual 99 Accessories and Calibration Standards Appendix C TURBIDITY REAG EN TS 3845 0 NTU standard 6073 100 NTU standard suspension 3846 200 NTU standard suspension 3847 800 NTU standard suspension DISPLAYS LO GGERS AN D ACCESSO RIES VVVVVVVVVV VV 610 D Handheld Field Display with Accessories 610 DM 610 D with 128K of memory 610 DM 610 D with 512K of memory 614
107. the depth sensor plug The depth plug is located on the side of the sonde body YSI Incorporated Environmental Monitoring Systems Service Manual 51 6820 Sonde Section 7 3 Stretch the tape measure along the cable For shallow depth sensors place a piece of waterproof tape at 15 feet For medium depth sensors place a piece of waterproof tape at 50 feet 4 Lower the 6820 into still water until the tapeline on the cable reaches the water s surface Check the readings Shallow sensors should read 15 06 feet Medium depth sensors should read 50 4 feet CHLO RO PHYLL 1 Calibrate according to the calibration procedures in the YSI 6 Series Operations Manual If no error messages appear the probe should be assumed to be linear 2 Make sure the wiper rotates and parks between 150 and 210 degrees from the optics YSI Incorporated Environmental Monitoring Systems Service Manual 52 6820 Sonde Section 7 7 4 SO N DE EXPLO DED VIEW S Assembly Drawing YSI Incorporated Environmental Monitoring Systems Service Manual 53 6820 Sonde Section 7 7 5 REPLA CEM EN T PARTS UST Bubble Number Depth Sensor NN AEN AN Depth Sensor 069258 3 Depth Module Assy Shallow vented 068283 Cable Assy Integral 5M 068284 Cable Assy Integral 10M 2 068285 Cable Assy Integral 25M 068296 Sonde Body Connector Assy Po 7 118223 Sonde Body Assy W O Depth 21 1 1 1 068251 169444 Board Assy 6820 If depth unit must use
108. tions about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so that the internal components are not damaged 4 Disconnect the 8 pin Amp connectors from the printed circuit board On sondes with vented level the pressure tube will keep the end cap attached to the bulkhead 5 Remove the two 7 64 hex screws that attach the sonde tube to the bulkhead or bulkhead depth module assembly If a depth module is present it should remain attached to the bulkhead 6 Grasp the sonde tube with one hand and the bulkhead assembly with the other hand Carefully twist the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so that the internal components are not damaged 7 For sondes with vented depth use a small screwdriver to pry the pressure tube off of the depth module nipple Remove the battery compartment and sonde tube 8 Disconnect the 20 pin Amp connector from the printed circuit board Note position of the shock mounts for the assembly process Note for units with depth or level Unless replacing the depth module or bulkhead it is not necessary to separate the two See the next section Depth Module Removal YSI Incorporated Environmental Monitoring Systems Service Manual 30 600XL Sonde Section 5 DEPTH M O DULE REM O VAL SO N DES W ITH DEPTH ONLY If separation of the depth module and bulkhead is necessary the following inst
109. tivity may cause conjunctivitis bronchitis skin rashes etc Evidence of reproductive effects FIRST AID INHALATION Remove victim from exposure area Keep victim warm and at rest In severe cases seek medical attention SKIN CONTACT Remove contaminated clothing immediately Wash affected area thoroughly with large amounts of water In severe cases seek medical attention EYE CONTACT Wash eyes immediately with large amounts of water approx 10 minutes Seek medical attention immediately INGESTION Wash out mouth thoroughly with large amounts of water and give plenty of water to drink Seek medical attention immediately Health and Safety Information Appendix A YSI pH 4 00 7 00 and 10 00 Buffer Solutions 3821 3822 3823 pH 4 INGREDIENTS Potassium Hydrogen Phthalate Formaldehyde Water pH 7 INGREDIENTS Sodium Phosphate Dibasic Potassium Phosphate Monobasic Water pH 10 INGREDIENTS Potassium Borate Tetra Potassium Carbonate Potassium Hydroxide Sodium di Ethylenediamine Tetraacetate Water OOOOO CAUTION AVOID INHALATION SKIN CONTACT EYE CONTACT OR INGESTION MAY AFFECT MUCOUS MEMBRANES Inhalation may cause severe irritation and be harmful Skin contact may cause irritation prolonged or repeated exposure may cause Dermatitis Eye contact may cause irritation or conjunctivitis Ingestion may cause nausea vomiting and diarrhea FIRST AID INHALATION Remove victim
110. ts the pressure transducer to the atmosphere It is important that the air in the tube remains dry at all times Sondes with integral cables should be stored with the desiccant in place and the vented end of the desiccant system sealed Sondes with connectors should be stored with the connector cap firmly in place When disconnecting the cable put the cap on immediately Vented cables should be stored in a bag containing desiccant with their caps in place Interim multi parameter storage is easy Simply remember the following key points gt Use enough water to provide humidity but not enough to cover the probe surfaces Make sure the storage vessel is sealed to minimize evaporation gt Check the vessel periodically to make certain that water is still present gt For sondes with level sensors keep the tube sealed and dry GEN ERAL RECOMMENDATIONS FOR LONG TERM SONDE STORAGE The following are long term storage recommendations listed by instrument type They will be applicable for sondes with typical sensor configurations 600XL 600XLM Remove the pH or pH ORP probe from the sonde and store it according to the instructions found in the following section on individual sensors Cover the empty port with the provided plug Leave the conductivity temperature and the dissolved oxygen probes in the sonde with a membrane and electrolyte on the DO sensor Place enough of deionized distilled or tap water in the calibration cup to cover th
111. tween the PCB s 3 pin connector and the PCB s battery See Figure 11 2 Plug the 8 pin connector from the battery compartment and the 3 pin Amp connector from the battery terminal leads into their proper locations on the top of the board 3 Position the PCB w shock mount on the battery compartment as shown figure 11 Shock Mount Figure 11 4 Lightly lubricate the installed O rings on the battery compartment 5 Insert the battery compartment with connected board and shock mount into the sonde tube do so in the end of the tube that is labeled with the battery label WARNINGS When assembling a VENTED battery compartment be sure the vent tube is not damaged or pinched When inserting the battery compartment be sure that the side of the compartment where batteries are installed lines up directly with the battery label on the sonde tube 6 Secure the battery compartment to the sonde tube with two 8 32 Cap Screws 062690 DEPTH MODULE INSTALLATION SON DES WITH DEPTH ONLY If the depth module was separated from the bulkhead as part of the disassembly procedure follow the procedure below to re assemble 1 Lightly lubricate the outer O rings of both the depth module and the bulkhead 2 Passthe Amp connectors through the oval slots in the depth module in Tr the following order Pass the 8 pin chlorophyll connector of the bulkhead through one of the oval slots Pass the 4 pin depth connector of the bulkhead through the s
112. y If a depth module is present it should remain attached to the bulkhead 7 Grasp the sonde tube with one hand and the bulkhead assembly with the other hand Carefully twist the two sections about 5 10 while pulling them apart Extreme care must be exercised when the two parts separate so those internal components are not damaged 8 For sondes with vented depth use a small screwdriver to pry the pressure tube off of the depth module nipple Remove the battery compartment and sonde tube 9 Disconnect the 20 pin Amp connector from the printed circuit board Note position of the shock mounts for the assembly process Note for units with depth or level Unless replacing the depth module or bulkhead it is not necessary to separate the two See the next section for Depth Module Removal YSI Incorporated Environmental Monitoring Systems Service Manual 39 600XLM Sonde Section 6 DEPTH M O DULE REM O VAL SO N DES W ITH DEPTH ONLY If separation of the depth module and bulkhead is necessary the following instructions must be followed Wires from the bulkhead are fed through the depth module making this a tedious procedure 5 Onthe back of the depth module locate bulkhead wires from the 3 4 and 6 pin Lemo connectors Reference the Depth Module drawing below Carefully remove these wires from the body of the 20 pin Amp connector by m lightly pushing the tab side of connector from 3 amp 6 pin Nipple Fitting inward while pu
113. y Install the cable s 8 pin connector onto the PCB Put Loctite 242 or equivalent onto the threads Allowing the PCB and bulkhead to rotate carefully tighten the cable 1 8 of a turn after it just touches the sonde body Push the bulkhead fully into sonde body WARNING It is extremely important to properly position the bulkhead wires so they will not become pinched between the bulkhead and the sonde body Failure to do so may damage the main seal causing permanent damage to the sonde Re install the O ring screws 068248 until the O ring just touches the bulkhead Seat the O ring by turning the screw an additional 1 turn WARNING Once these screws are tightened the bulkhead should not twist when the sonde guard or storage cup are installed or removed If it does turn apply more torque to the screws Screw in the screws from the port plugs and tap both plugs into the bulkhead Note Make sure the screws are all the way in so the threads are not damaged Inspect and lubricate probe O rings and sealing surfaces Re install probes YSI Incorporated Environmental Monitoring Systems Service Manual 49 6820 Sonde Section 7 1 2 PC BOARD AN D DEPTH MO DULE REPLACEM EN T The Model 6820 PC board utilizes a state of the art SMT surface mount technology PC board In the unlikely event of a PC board failure YSI recommends that the entire PC board be replaced not repaired NOTICE FOR UNITS WITH DEPTH Model 6820s with depth require replace
114. y to pull the wires through the holes in the depth module Also see PC Board and Depth Module Replacement SO N DE ASSEM BLY 1 Before assembly inspect all O rings and sealing surfaces for blemishes scratches and dirt Clean and lightly lubricate the O rings and sealing surfaces Dry the desiccant pack in a 120 F oven for 30 minutes Re install desiccant pack into sonde 3 Plug the 3 pin power connector into board assembly Plug the bulkhead wires and Turbidity wires into the board assembly Carefully install the circuit board into the sonde tube making sure that the shock mounts are properly positioned If the sonde has a depth module install the depth module assembly While sliding board assembly into sonde tube take care not to damage or bind the power connector and wires NOTE Confirm the location of the Red and Black wire on sonde tube this will have to be noted for installation of connector cap YSI Incorporated Environmental Monitoring Systems Service Manual 58 6920 Sonde Section 8 Note for sondes with depth If cables were removed from the depth module as part of the disassembly procedure reassemble by routing the turbidity cable and the 20 pin bulkhead connector cable through holes on opposite sides of the module Reinstall depth module 4 Reinstall the bulkhead to the sonde tube WARNING It is extremely important to properly position all of the cables so that they will not become pinched between the bulkhead dept

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