User manual EUTECH INSTRUMENTS WATERPROOF PHSCAN 2 PH TESTER

[. . . ] Eutech Instruments/ Oakton Instruments cannot accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument. The information presented in this manual is subjected to change without notice as improvements are made, and does not represent a commitment on the part of Eutech Instruments Pte Ltd/ Oakton Instruments. Copyright © 2000. Rev 3 02/04 TABLE OF CONTENTS 1 2 2. 1 2. 2 INTRODUCTION DISPLAY AND KEYPAD FUNCTIONS Display Keypad 2 3 1 2 3 3. 1 3. 2 PREPARATION Inserting the Batteries Connecting the Probe 4 5 4 4 4. 1 4. 2 4. 3 4. 4 CALIBRATION Preparing the meter for calibration Temperature Calibration Dissolved Oxygen Calibration in % Saturation Dissolved Oxygen Calibration in mg/L (ppm) mode 6 6 7 8 10 5 5. 1 5. 2 MEASUREMENT Taking DO readings Taking Pressure/Salinity Compensated DO measurements 11 11 13 6 7 7. 1 7. 2 HOLD FUNCTION MEMORY FUNCTIONS Memory Input Memory Recall 14 15 15 16 8 8. 1 8. 2 8. 3 8. 4 8. 5 8. 6 8. 7 8. 8 8. 9 8. 10 ADVANCED SETUP FUNCTIONS Advanced SETUP Mode Detailed Overview Clr: Memory Clear dPr: Dissolved Oxygen Parameters OFS: Offset for % Saturation Measurement CAL: Previous Calibration Information ELE: Electrode Properties COF: Unit Configuration LCd: Adjusting LCD Brightness CLO: Setting the Real-Time Clock rSt: Resetting to Factory Default Setting 17 18 20 21 24 25 26 28 32 33 35 9 9. 1 9. 2 9. 3 9. 4 9. 5 PROBE CARE AND MAINTENANCE Probe Care Membrane Housing Replacement Membrane/O-ring Replacement (Optional Procedure) Electrolyte Solution DO Probe Troubleshooting Table 36 37 38 39 41 42 10 11 12 13 14 15 16 17 18 19 TROUBLE SHOOTING GUIDE ERROR MESSAGES SPECIFICATIONS ACCESSORIES DISSOLVED OXYGEN & METER THEORY PRESSURE VS ALTITUDE TABLE FACTORY DEFAULT SETTINGS OVER-VIEW OF SETUP FUNCTIONS WARRANTY RETURN OF ITEMS 44 45 46 47 49 50 51 52 56 56 Instruction Manual DO 300 1 INTRODUCTION Thank you for selecting the DO 300 waterproof portable meter. This meter is a microprocessor-based instrument that is designed to be handy and capable of allowing onehand operation. [. . . ] Press the ENTER key to confirm selection and move to Step 5 on page 23 for salinity adjustment (appears only from mg/L (ppm) SETUP mode). If instead you want to return to measurement mode, press CAL/MEAS twice. 21 Instruction Manual DO 300 Figure 18: Change pressure units (mm Hg or kPa) & adjusting its values 22 Instruction Manual DO 300 8. 3. 2 Salinity Adjustment Mode NOTE: This mode appears only from mg/L (ppm) SETUP mode . Salinity correction mode lets you correct for the variations in oxygen solubility due to salt concentration in the sample. Press MI/ or MR/ keys to enter the correct or MR/ keys to scroll through main groups until you view parameter "dPr" in the upper salinity adjustment factor. Press the ENTER key to confirm selection and to move back to main group "dPr". If you want to return to measurement mode, press CAL/MEAS. (The values shown above are for illustration purpose only) Figure 19: Input Salinity values for automatic correction 23 Instruction Manual DO 300 8. 4 OFS: Offset for % Saturation Measurement NOTE: This feature appears from % saturation SETUP mode only. From measurement mode: 1. Press MI/ or MR/ keys to scroll through main groups until you view parameter "OFS" in the upper display. The upper display shows the current measurement in % saturation and the lower shows "OFS". Press the ENTER key to confirm selection and to move back to main group "OFS". If you want to return to measurement mode, press CAL/MEAS. (The values shown above are for illustration purpose. Your meter may display different values depending on the settings & your environmental conditions) Figure 20: Offset for % saturation 24 Instruction Manual DO 300 8. 5 CAL: Previous Calibration Information This feature shows you the previous calibration data, along with date and time of calibration. Select auto endpoint ON to "HOLD" the reading when it is stable for more than 5 seconds. The display automatically freezes, and the HOLD indicator appears on the left side of the display. Press the HOLD key to release the display and access other functions. From measurement mode 1. Press · · · MI/ or MR/ keys to select the or MR/ keys to scroll through main groups until you view parameter COF in the upper configuration you require. Press the ENTER key to confirm selection and to proceed to: · · In % saturation SETUP mode: step 3 on Section 8. 7. 3. In mg/L (ppm) SETUP mode: step 4 on Section 8. 7. 2. Figure 27: To configure for READY and Auto Endpoint functions Or press the CAL/MEAS key twice to return to measurement mode. NOTES: Meter default is set for Ready indicator ON, and auto endpoint function off. 29 Instruction Manual DO 300 8. 7. 2 Selecting mg/L or ppm units NOTE: This mode appears in mg/L (ppm) SETUP mode only. This mode lets you have the option to select either mg/L or ppm dissolved oxygen units. From measurement mode 1. Press the ENTER key until "dO" appears in the upper display. Press MI/ or MR/ keys to toggle between mg/L or MR/ keys to scroll through main groups until you view parameter "COF" in the upper or ppm units. Press the ENTER key to confirm selection and move to step 4 on next page. [. . . ] Membrane installation tool DO kit includes hard carrying case, and 35640-80 membrane kit (meter not included). Replacement membrane housing kit comes with two membrane housings with pre-installed membrane and a bottle of premixed electrolyte. 35641-00 35640-01 35640-50 35640-52 35640-54 35615-56 35632-98 35640-72 35640-74 35640-75 35640-79 35640-60 35640-80 Calibration Solutions Item Oakton Instruments Ordering Code. Zero oxygen solution, 500 mL Premixed electrolyte solution, 500 mL Electrolyte power (58. 5 g) 00653-00 35640-71 35640-70 48 Instruction Manual DO 300 14 DISSOLVED OXYGEN & METER THEORY Dissolved Oxygen (DO) refers to the volume of oxygen that is contained in water. [. . . ]