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Saving Data

Section 4

YSI, Incorporated

Model 30/30M

12

Содержание 30

Страница 1: ...YSI Model 30 YSI Model 30M Handheld Salinity Conductivity and Temperature System Operations Manual µS C ...

Страница 2: ......

Страница 3: ...You Calibrate 13 5 2 The Calibration Process 13 Section 6 Advanced Setup 15 6 1 Changing The Temperature Coefficient 15 6 2 Changing The Reference Temperature 16 6 3 Changing From Autoranging To Manual Ranging 17 Section 7 Principles of Operation 21 7 1 Temperature Effect 21 7 2 Discussion Of Measurement Errors 22 Section 8 Maintenance 23 8 1 Cleaning And Storage 25 8 2 Probe Precautions 25 Sectio...

Страница 4: ...ii ...

Страница 5: ...conductivity temperature compensated conductivity in µS cm or mS cm and salinity in parts per thousand ppt Though calibration is NOT required a single calibration will adjust the instrument regardless of which parameter you wish to read You can switch back and forth from salinity conductivity and temperature compensated conductivity with a single push of the MODE key A probe storage chamber is bui...

Страница 6: ...Introduction Section 1 YSI Incorporated Model 30 30M 2 ...

Страница 7: ...n our computer system Once your purchase is recorded you will receive prompt efficient service in the event any part of your YSI Model 30 should ever need repair 2 3 BATTERIES There are a few things you must do to prepare your YSI Model 30 for use First locate the six AA size alkaline batteries that were included Use a screwdriver or a small coin to remove the thumbscrew on the bottom of the instr...

Страница 8: ...age area for the probe during transport and extended non use An optional sponge is available from YSI that will fit inside the storage chamber and provide a moist environment for probe storage should your application or operational procedures require it See Appendix B Accessories and Replacement Parts 2 5 HAND STRAP The hand strap is designed to allow comfortable operation of the Model 30 with min...

Страница 9: ... more seconds During this power on self test sequence the instrument s microprocessor is verifying that the instrument is working properly and will display the cell constant of the probe when the self test is complete If the instrument were to detect a problem a continuous error message would be displayed See Section 9 Troubleshooting for a list of error messages After the self test procedure is c...

Страница 10: ... the instrument electronics based upon the conductivity and temperature readings Temperature is displayed in conductivity specific conductance and salinity modes The Model 30M has two additional modes Recall Allows previously stored data to be displayed Erase all Allows ALL previously stored data to be deleted To change between modes simply press and release the MODE key The instrument will cycle ...

Страница 11: ...again when you first remove the probe the instrument will go into a range search mode that may take as long as 5 seconds During some range searches the instrument display will flash rANG to indicate its movement from one range to another rANG The length of the range search depends on the number of ranges which must be searched in order to find the correct range for the sample During the range sear...

Страница 12: ...0 in dark or poorly lit areas To help in this situation the Model 30 comes equipped with a backlight which will illuminate the display so that it can be easily read To activate the backlight press and hold down the LIGHT key The display will remain lit as long as the key is held down When you release it the light goes out to preserve battery life ...

Страница 13: ...tuations where transcribing data is difficult or not available NOTE The Model 30 is NOT equipped with memory and cannot save data 4 1 SAVING DATA TO MEMORY 1 While any parameter is displayed on the screen press the ENTER key and hold for approximately 2 seconds SAVE 01 The meter will flash SAVE on the display along with the current site identity is being used 2 When all 50 sites are full the displ...

Страница 14: ...the saved sets of data 4 Press the DOWN ARROW key to decrement through the saved sets of data NOTE The Model 30M will recall data as a list When the UP ARROW is pressed the Model 30M will display the Site ID for the previously recorded data For example If you are reviewing Site ID 5 and the UP ARROW is pressed the Model 30M will display Site ID 4 If you are reviewing Site ID 5 and Site ID 5 was th...

Страница 15: ...erasure is indicated by the Model 30M flashing DONE on the display for 1 to 2 seconds The instrument will automatically change to normal operation after completion dOnE IMPORTANT Data in all 50 site ID s will be erased completely and will be lost forever Do not use the erase function until all recorded data has been transcribed to an archive outside the Model 30M ...

Страница 16: ...Saving Data Section 4 YSI Incorporated Model 30 30M 12 ...

Страница 17: ...e with regard to temperature approximately 60 seconds before proceeding with the calibration process The readings after calibration are only as good as the calibration itself 4 Perform sensor calibration at a temperature as close to 25 C as possible This will minimize any temperature compensation error 5 2 THE CALIBRATION PROCESS System calibration is rarely required because of the factory calibra...

Страница 18: ... UP ARROW or DOWN ARROW key to adjust the reading on the display until it matches the value of the calibration solution you are using 1000µ µ µ µS 24 8 C CAL 10 Once the display reads the exact value of the calibration solution being used the instrument will make the appropriate compensation for temperature variation from 25 C press the ENTER key The word SAVE will flash across the display for a s...

Страница 19: ... a need to enter Advanced Setup Mode unless your special measurement application calls for a change in reference temperature and or temperature coefficient Therefore unless you are certain that your application requires a change to one or both of these criteria do not modify the default reference temperature 25o C or the default temperature coefficient 1 91 6 1 CHANGING THE TEMPERATURE COEFFICIENT...

Страница 20: ... TEMPERATURE Follow these steps to modify the reference temperature of the Model 30 1 Turn the instrument on and wait for it to complete its self test procedure 2 Press and release both the DOWN ARROW and MODE keys at the same time 1 91 22 7 C CAL The CAL symbol will appear at the bottom left of the display and the large portion of the display will show 1 91 or a value set previously using Advance...

Страница 21: ... the YSI Model 30 and Model 30M allow you to turn off the default autoranging feature Follow the instructions for your model as shown below Model 30 While you are making conductivity or specific conductance measurements with the Model 30 simply press and release the ENTER key to select manual ranging 1014µ µ µ µS 24 8 C CAL Each additional press of the ENTER key will cycle the Model 30 to a differ...

Страница 22: ... and release the UP ARROW key to select manual ranging Note that the conductivity units will flash on the Model 30M to indicate that the instrument is in a manual range 1014µ µ µ µS 24 8 C CAL Each additional press of the UP ARROW key will cycle the Model 30M to a different manual range until you return again to autoranging Five pushes of the UP ARROW key will cycle the Model 30M through the four ...

Страница 23: ...e the UP ARROW key until a range is selected which is suitable for your sample Note that the instrument will always default to autoranging when first turned on The four ranges of the YSI Model 30 are Range 1 Range 2 Range 3 Range 4 0 to 499 9 µS cm 0 to 4999 µS cm 0 to 49 99 mS cm 0 to 200 0 mS cm ...

Страница 24: ...Advanced Setup Section 6 YSI Incorporated Model 30 30M 20 ...

Страница 25: ...ion the temperature coefficient itself varies with the nature of the ionic species present Because the exact composition of a natural media is usually not known it is best to report a conductivity at a particular temperature e g 20 2 mS cm at 14 C However in many cases it is also useful to compensate for the temperature dependence in order to determine at a glance if gross changes are occurring in...

Страница 26: ... is equal to the sum of the errors contributed by the environment and the various components of the measurement setup These include Instrument accuracy Cell constant error Solution temperature offset Cell contamination including air bubbles Electrical noise Galvanic effects Only the first three are of major concern for typical measurements although the user should also be careful to see that cells...

Страница 27: ...previously used in higher value solutions An entirely different form of contamination sometimes occurs due to a buildup of foreign material directly on cell electrodes While rare such deposits have on occasion markedly reduced the effectiveness of the electrodes The result is an erroneously low conductance reading Electrical Noise Errors Electrical noise can be a problem in any measurement range b...

Страница 28: ...Principles of Operation Section 7 YSI Incorporated Model 30 30M 24 ...

Страница 29: ...e the cell from the cleaning solution 2 Use the nylon brush supplied to dislodge any contaminants from inside the electrode chamber 3 Repeat steps one and two until the cell is completely clean Rinse the cell thoroughly in deionized or clean tap water 4 Store the conductivity cell in the meter storage chamber 8 2 PROBE PRECAUTIONS Observe the following precautions to ensure accurate repeatable res...

Страница 30: ... in which measurements are to be made 6 Electrical fields and stray currents caused by stirrer motors heaters etc can interfere with measurements The user should determine the effects of these and make the necessary corrections either by shielding or by disconnecting those units that cause trouble 7 Always rinse the cell carefully before transferring it from one solution to another 8 Never store a...

Страница 31: ...perature incorrect H Readings are or are not temperature compensated D See section 5 Calibration E See section 8 Maintenance F See section 6 Advanced Setup G See section 6 Advanced Setup H See section 3 Making Measurements 5 LCD displays LO BAT A Batteries are low or damaged A Replace batteries 6 Main Display reads OVEr I Conductivity Reading is 200 mS J Temp Reading is 95o C K Temp Reading is 5o ...

Страница 32: ...ary Display reads ro A System has failed its ROM test check procedure A Turn instrument OFF and back ON B Return the system for service 13 Secondary Display reads ovr A Temperature is 95o C A Read solution of lower temperature B Return system for service C Replace Probe Cable assy 14 Secondary Display reads udr A Temperature is 5o C A Read solution of higher temperature B Return system for service...

Страница 33: ...lance of the original warranty period or at least 90 days from date of repair or replacement Limitation of Warranty This Warranty does not apply to any YSI product damage or failure caused by i failure to install operate or use the product in accordance with YSI s written instructions ii abuse or misuse of the product iii failure to maintain the product in accordance with YSI s written instruction...

Страница 34: ...ive Marion MA 02738 Phone 508 748 0366 Fax 508 748 2543 West Region EnviroServices Repair 1110 Burnett Avenue Suite D Concord CA 94520 Phone 800 550 5875 Fax 510 674 8655 est North East South lorida Georia South Carolina North Carolina irinia est irinia ennsylvania elaware New ersey Maryland Connecticut Rhode sland Massachusetts New ampshire Maine ermont New Yor Ohio Michian ndiana llinois isconsi...

Страница 35: ...Fax 44 1252 511855 Tlx 858210 Sakura Building 6 5 6 13 Shinjuku Shinjuku ku Tokyo 160 Phone 81 3 5360 3561 Fax 81 3 5360 3565 SPECIALTY SERVICE CENTERS Aquaculture Aquatic Eco Systems Inc 1767 Benbow Court Apopka Florida Phone 407 886 3939 Fax 407 886 6787 Aquacenter 166 Seven Oaks Road Leland Mississippi 38756 Phone 601 378 2861 Fax 601 378 2862 Wastewater Q C Services P O Box 68 Harrison Maine 0...

Страница 36: ...ons as to the disposition of the equipment Disposition costs will be the responsibility of the sender When service is required either at the user s facility or at YSI the following steps must be taken to insure the safety of our service personnel 1 In a manner appropriate to each device decontaminate all exposed surfaces including any containers 70 isopropyl alcohol or a solution of 1 4 cup bleach...

Страница 37: ...and packing material 4 Use a large carton preferably the original and surround the product completely with packing material 5 Insure for the replacement value of the product Cleaning Certificate Organization Department Address City State Zip Country Phone Model No of Device Lot Number Contaminant if known Cleaning Agent s used Radioactive Decontamination Certified Answer only if there has been rad...

Страница 38: ...Warranty and Repair Section 10 YSI Incorporated Model 30 30M 34 ...

Страница 39: ...t off and on the user is encouraged to try to correct the interference by one or more of the following measures re orient the receiving antenna relocate the computer with respect to the receiver move the computer away from the receiver plug the computer into a different outlet so that the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an e...

Страница 40: ...Warranty and Repair Section 10 YSI Incorporated Model 30 30M 36 ...

Страница 41: ...Solution 1 000 µS cm 8 pints 3168 Conductivity Calibrator Solution 10 000 µS cm 8 pints 3169 Conductivity Calibrator Solution 50 000 µS cm 8 pints 5520 Carrying Case 110030 Replacement Probe Cable Assembly 10 feet 110031 Replacement Probe Cable Assembly 25 feet 110032 Replacement Probe Cable Assembly 50 feet 030131 Replacement Front Case Cover 055242 Replacement Rear Case Cover 055244 Replacement ...

Страница 42: ...Accessories and Replacement Parts Appendix B YSI Incorporated Model 30 30M 38 ...

Страница 43: ...5 15 38 1 96 37 5 16 04 1 98 40 16 70 1 99 45 18 05 2 02 50 19 43 2 04 Concentration 1 x 10 2 mole liter Concentration 1 x 10 3 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 0 773 1 81 0 0 080 1 84 5 0 892 1 84 5 0 092 1 88 10 1 015 1 87 10 0 105 1 92 15 1 143 1 90 15 0 119 1 96 20 1 275 1 93 20 0 133 1 99 25 1 412 1 96 25 0 147 2 02 30 1 553 1 99 30 0 162 2 05 35 1 697 2 02 35 0 178 2 07 37 5 ...

Страница 44: ...liter C mS cm C to 25 C C mS cm C to 25 C 0 5 77 1 83 0 0 632 1 87 5 6 65 1 88 5 0 731 1 92 10 7 58 1 92 10 0 836 1 97 15 8 57 1 96 15 0 948 2 01 20 9 60 1 99 20 1 064 2 05 25 10 66 2 02 25 1 186 2 09 30 11 75 2 04 30 1 312 2 12 35 12 86 2 06 35 1 442 2 16 37 5 13 42 2 07 37 5 1 508 2 17 40 13 99 2 08 40 1 575 2 19 45 15 14 2 10 45 1 711 2 21 50 16 30 2 12 50 1 850 2 24 Concentration 1 x 10 3 mole...

Страница 45: ...0 961 2 04 20 0 101 2 25 25 1 070 2 08 25 0 114 2 28 30 1 183 2 12 30 0 127 2 31 35 1 301 2 16 35 0 140 2 32 37 5 1 362 2 18 37 5 0 147 2 32 40 1 423 2 20 40 0 154 2 31 45 1 549 2 24 45 0 166 2 29 50 1 680 2 28 50 0 178 2 25 D Potassium Nitrate KNO3 Concentration 1 x 10 1 mole liter Concentration 1 x 10 2 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 6 68 1 78 0 0 756 1 77 5 7 71 1 79 5 0 868 1...

Страница 46: ... 08 45 18 12 2 09 50 19 45 2 09 Concentration 1 x 10 2 mole liter Concentration 1 x 10 3 mole liter C mS cm C to 25 C C mS cm C to 25 C 0 0 764 1 84 0 0 078 1 88 5 0 889 1 86 5 0 092 1 90 10 1 015 1 88 10 0 105 1 91 15 1 144 1 91 15 0 119 1 93 20 1 277 1 94 20 0 133 1 95 25 1 414 1 97 25 0 148 1 98 30 1 557 2 02 30 0 162 2 01 35 1 706 2 06 35 0 178 2 04 37 5 1 782 2 08 37 5 0 186 2 06 40 1 860 2 1...

Страница 47: ...N CHART To Convert From To Equation Feet Meters Multiply by 0 3048 Meters Feet Multiply by 3 2808399 Degrees Celsius Degrees Fahrenheit 9 5 o C 32 Degrees Fahrenheit Degrees Celsius 5 9 o F 32 Milligrams per liter mg l Parts per million ppm Multiply by 1 ...

Страница 48: ...Conversion Chart Appendix D YSI Incorporated Model 30 30M 44 ...

Страница 49: ...ductor to transmit current the reciprocal of resistance The SI unit is siemens S also measured in mhos conductivity ℵ The ratio of the current density in a conductor to the electric field causing the current to flow the inverse of resistivity the conductance between opposite faces of a cube of the measured material of 1 cm cgs units or 1 m SI units edge Measured in mhos cm cgs units or S m SI unit...

Страница 50: ...lled d c or a c voltage used as a reference SI Système International siemens S SI unit of electrical conductance the reciprocal of an ohm equivalent to a mho temperature correction An adjustment made to a measurement to compensate for the difference between the measured and nominal temperatures temperature coefficient The change in any particular physical quantity per degree change in temperature ...

Страница 51: ...atteries included Approximately 100 hours operation from each new set of batteries Water Tightness Meets or exceeds IP65 standards Extensive testing of the YSI Model 30 indicates the following typical performance MEASUREMENT RANGE RESOLUTION ACCURACY Conductivity 0 to 499 9 µS cm 0 to 4999 µS cm 0 to 49 99 mS cm 0 to 200 0 mS cm 0 1 µS cm 1 0 µS cm 0 01 mS cm 0 1 mS cm 0 5 FS 0 5 FS 0 5 FS 0 5 FS ...

Страница 52: ...DRW A30136D May 1998 Item 030136 1700 1725 Brannum Lane Yellow Springs Ohio 45387 USA 800 765 4974 937 767 7241 FAX 937 767 9320 Website http www ysi com E Mail info ysi com ...

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