Ysi 63 Manual do Utilizador

YSI Model 63 Handheld pH, Conductivity, Salinity and Temperature System Operations Manual

64.1 Turning The Instrument On With the batteries installed correctly, press the ON/OFF key. The instrument will activate all segments of the displa

For best results: • Calibrate as close as possible to the sample temperature. • After storage in pH 4 buffer/KCl solution, place the pH sensor in pH

5. Press the ENTER key. The Model 63 display will show CAL at the bottom, STAND will stop flashing and the pH calibration value is shown with the mid

9 .4.01 pH SLOPE CAL 24.8 °CSecond buffer value Left decimal flashes (until reading is stable) for buffers lower than firs

15. If you are performing a 3-point calibration, fill a clean container with the third value pH buffer (pH 4 or 10, or pH 4.01 or 9.18) and immerse th

114.3 Conductivity Calibration IMPORTANT: System calibration is rarely required because of the factory calibration of the YSI Model 63. However, fro

12 1000 µS CAL 24.8 °C 9. Use the UP ARROW or DOWN ARROW key to adjust the reading on the display until it matches the va

The Model 63 has six modes: ¾ pH -- Displays pH and temperature (°C). ¾ Conductivity -- A measurement of the conductive material in the liquid sampl

3.03 µS Flashing °C symbol indicates Specific Conductance 23.8 °C 14 If the instrument is reading Specific Conductance, the large numbers on

15 SAVE 01 Site identity While pH, conductivity, specific conductance or salinity is displayed on the screen, press the ENTER key

7. When you have finished recalling data, press MODE two times to return to normal operation. NOTE: The Model 63 will recall data as a list. When the

174.9 Display Backlight At times it may be necessary to take measurements with the Model 63 in dark or poorly lit areas. To help in this situation,

185. Advanced Conductivity Setup The default settings of the YSI Model 63 are appropriate for the vast majority of measurement applications. However

195.2 Changing The Reference Temperature Follow these steps to modify the reference temperature of the Model 63. 1. Turn the instrument on and wait

206. Maintenance 6.1 pH Sensor Precautions 1. When making measurements or performing the calibration procedure, make certain that the level of sam

216.3 pH Sensor Storage For short term storage between measurements in the field (up to one week), place the probe in the transport chamber in the s

227. Discussion of Measurement Errors 7.1 pH Errors There are two basic types of pH errors. The first type are errors related to limitations of ins

23Temperature Error = ± 1% maximum The solution temperature error is the product of the temperature coefficient and the temperature offset from 25°C,

248. Troubleshooting Error Messages The instrument performs a Power On Self Test each time it is turned on. The following error messages are provide

25 Symptom Possible Cause Action 10. Conductivity/Salinity Display reads “OVEr” • When calibrating: User cell constant cal K is >5.25

iTable of Contents 1. Introduction ... 1

269. Principles of Operation 9.1 pH The YSI Model 63 employs a field replaceable pH sensor for the determination of hydrogen ion concentration. The

27this assumption. Once the slope and intercept to the plot of pH vs. mv are assigned at the new temperature, the calculation of pH under the new tem

28Because 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 m

2910. Warranty and Repair YSI Model 63 Meters are warranted for two years from date of purchase by the end user against defects in materials and wor

3010.1 Cleaning Instructions NOTE: Before they can be serviced, equipment exposed to biological, radioactive, or toxic materials must be cleaned and

3110.2 Packing Instructions 1. Clean and decontaminate items to insure the safety of the handler. 2. Complete and include the Cleaning Certificate

3211. Required Notice The Federal Communications Commission defines this product as a computing device and requires the following notice: This equip

3312. Accessories and Replacement Parts The following parts and accessories are available from YSI or any Franchise Dealer authorized by YSI. YSI O

3413. Appendix A - Specifications Materials: ABS, Stainless Steel, and other materials Dimensions: Height: 9.5 inches (24.13 cm) Thickness: 2

35Adjustable Temperature Compensation Factor for Conductivity: 0% to 4% pH Response Time: 3 sec for 95% of the change at 25°C Temperature Response T

ii9. Principles of Operation...26 9.1 pH...

3614. Appendix B - Health and Safety YSI pH 4, 7 & 10 Buffer Solutions: 3821, 3822, 3823 pH 4 Ingredients: ) Potassium Hydrogen Phthalate )

3715. Appendix C - pH Buffer Values YSI pH 4, 7 and 10 Buffer Solutions: 3821, 3822, 3823 The following table lists the values of YSI pH buffer solu

3816. Appendix D - Temperature Correction Data Conductivity Temperature Correction Data for Typical Solutions A. Potassium Chloride** (KCl) Conce

39B. Sodium Chloride* (NaCl) Saturated solutions at all temperatures Concentration: 0.5 mole/liter °C mS/cm %/°C (to 25°C) °C mS/cm %/°C (to 25°C)

40C. Lithium Chloride* (LiCl) Concentration: 1 mole/liter Concentration: 1 x 10-1 mole/liter °C mS/cm %/°C (to 25°C) °C mS/cm %/°C (to 25°C) 0 39

41E. Ammonium Chloride* (NH4Cl) Concentration: 1 mole/liter Concentration: 1 x 10-1 mole/liter °C mS/cm %/°C (to 25°C) °C mS/cm %/°C (to 25°C) 0

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11. Introduction The YSI Model 63 Handheld pH, Conductivity, Salinity and Temperature System is a rugged, micro-processor based, digital meter with

2. Preparing the Meter 2.1 Unpacking When you unpack your new YSI Model 63 Handheld pH, conductivity, salinity and Temperature System for the first

You may also want to take the instrument into a dark location and, with the instrument ON, hold down the LIGHT key. The instrument back-light should i

3. Preparing the Probe The YSI Model 63 is shipped without the pH sensor installed. The pH sensor must be installed before using the system (see sect

4. Operation The following diagram is an overview of the operation of the Model 63. See the following sections for details of operation. Figure