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Related Manuals for Oakton 35632 Series
Summary of Contents for Oakton 35632 Series
- Page 1 OPERATING INSTRUCTIONS Notes OAKTON 35632-Series ® Write down the name and information of your OAKTON distributor here. Portable Waterproof pH/Dissolved Oxygen Meter WATERPROOF MEAS READY pH/Dissolved Oxygen/°C/°F Meter pH/DO 300 Series...
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Page 2: Table Of Contents
Table of Contents 8.5 pH mode—Program P4.0: Resetting to factory default settings .........38 8.6 % saturation mode—Program P1.0: Dissolved oxygen parameters 1. Introduction....................4 Pressure adjustment mode....................39 2. Display and keypad functions .............5-6 8.7 % saturation mode—Program P2.0: Offset adjustment..........40 2.1 Display ...........................5 8.8 % saturation mode—Program P3.0: Previous calibration information......41 2.2 Keypad ...........................6 8.9 % saturation mode—Program P4.0: Electrode properties ...........42... -
Page 3: Introduction
1. Introduction 2. Display and Keypad Functions Thank you for selecting an OAKTON meter. This OAKTON portable meter is a microprocessor-based instrument that measures pH, dissolved oxygen and Display temperature. It’s completely waterproof—and it floats! Your meter has many user-friendly features, all of which are accessible through the membrane keypad. -
Page 4: Keypad
Keypad 3. Preparation The large membrane keypad makes the instrument easy to use. Each button, when pressed, has a corresponding graphic indicator on the LCD. Inserting the Batteries ON/OFF....Powers and shuts off the meter. Four AAA batteries are included with your meter. HOLD ....Freezes the measured reading. - Page 5 For the dissolved oxygen/temperature probe, you must use an NOTE: Do not substitute other DO probes. For a replacement DO probe, see the OAKTON dissolved oxygen/temperature probe with the notched 6-pin connector. “Accessories” section, page 64. For replacement probes, see the “Accessories” section, pages 64-65.
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Page 6: Calibration
Preparing the Meter for pH Calibration 4. Calibration Before starting pH calibration, make sure you are in the correct measurement mode. When you switch on the meter, the meter starts up in the units last used. For Important Information on Meter Calibration example, if you shut the meter off in "pH"... -
Page 7: Ph Calibration
pH calibration Press ENTER to confirm calibration. The meter is now calibrated to the NOTE: We recommend that you perform at least a 2-point calibration using standard current buffer. buffers that bracket (one above and one below) the expected sample range. See figure READY You can perform a 1-point calibration, but make sure that the buffer value is... -
Page 8: Preparing The Meter For Do Calibration
Preparing the meter for DO calibration Dissolved Oxygen calibration in percent saturation Before calibrating your meter, make sure to rinse You can calibrate this meter quickly and easily in air. The exact calibration value depends on barometric pressure. The meter is set to a factory default of 760 mm Hg, the DO probe well with de-ionized water or rinse solution. -
Page 9: Dissolved Oxygen Calibration In Mg/L (Ppm) Mode
To calibrate 0 % saturation: Dissolved Oxygen calibration in mg/l (ppm) mode Rinse the probe well with deionized Calibrating the meter to 100 % in saturation mode will also calibrate the mg/l mode rinse water or rinse solution. Do not at the value in mg/l corresponding to 100% saturation. -
Page 10: Temperature Calibration
Notes on mg/l (ppm) mode calibration Temperature Calibration During mg/l (ppm) calibration, the meter adjusts to The built-in temperature sensor included in the DO probe is factory calibrated. the barometric pressure value that is programmed into Calibrate your sensor only if you suspect sensor drift that may have occurred the meter. -
Page 11: Measurement
Taking measurements with READY indicator selected on 5. Measurement If the READY indicator has been activated, the READY annunciator lights when the reading is stable. Switch the READY indicator on or off in the SETUP program Taking DO readings P5.1 for % saturation measurements (page 43) or program P4.1 (page 51) for mg/l (ppm) measurements. - Page 12 If Press the ENTER key until the upper the pH electrode has dehydrated, soak it display shows a number and the lower for 30 minutes in OAKTON electrode display shows “SAL”. storage solution or a 2M–4M KCl solution. Use the keys to enter the Press ON to switch on meter.
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Page 13: Manual Temperature Compensation
Taking measurements with READY indicator selected on Manual Temperature Compensation If the READY indicator has been activated, the READY annunciator lights when IMPORTANT: For manual compensation, the reading is stable. Switch the READY indicator on or off in Set up program P3.1— you must disconnect the DO or tempera- see page 35 for directions. -
Page 14: Hold Function
6. HOLD function 7. Backlit LCD This feature lets you freeze the value of Using the backlit LCD the pH, % saturation or mg/l (ppm) and temperature readings for a delayed MEAS This feature lets you view readings in observation. HOLD can be used any low light situations. -
Page 15: Advanced Setup Functions
The advanced set up mode lets you customize your meter’s preferences and sub groups. defaults. Your OAKTON waterproof meter features different sub groups that organize all SETUP parameters. This meter displays different subgroups depending on which mode the meter is in:... - Page 16 From the % saturation measurement mode From the mg/l (ppm) measurement mode dPr: Dissolved oxygen parameters dPr: Dissolved oxygen parameters SETUP SETUP • Select Hg or Pa barometric pressure units • Select Hg or Pa barometric pressure units • Select barometric pressure •...
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Page 17: Ph Measurement Mode Overview
pH mode—P1.0: Viewing previous calibration data pH mode—P2.0: Viewing electrode data Program P1.0 lets you recall previous calibration data, which helps you know when to Program P2.0 has two “view only”options that lets you check the electrode parame- recalibrate your meter. This is a “view only” mode. ters for diagnostic purposes. -
Page 18: P2.2 Electrode Slope
P2.2: Electrode slope pH mode—P3.0: pH measurement configuration SETUP NOTE: this parameter is available in P3.1: READY indicator and auto endpoint function pH measurement mode only. This program lets you select: From measurement mode: • “READY indicator on” to indicate when the reading is stable. If necessary, press the MODE key to select pH measurement mode. -
Page 19: P3.2 Selecting Number Of Ph Calibration Points
P3.2: Selecting number of pH calibration points P3.3 Selecting °C or °F Program P3.2 lets you select the number of pH calibration points the meter will use This meter lets you select between °C and °F units for temperature readings. in calibration mode: 2, 3, 4, or 5. -
Page 20: Saturation Mode-Program P1.0: Dissolved Oxygen Parameters
pH mode—P4.0: Resetting to factory default settings % saturation mode—P1.0: Dissolved Oxygen Parameters This program lets you reset all pH parameters to factory default settings. This This sub group lets you adjust the barometric pressure clears all calibration data any other pH setup functions you might have changed. The following settings will remain as you have set them: Pressure adjustment mode •... -
Page 21: Saturation Mode-Program P2.0: Offset Adjustment
% saturation mode—P2.0: Offset Adjustment % saturation mode—P3.0: Previous calibration information Use the offset adjustment to act as an offset at values between 0 and 100%. It is useful This sub group shows you the previous calibration data, along with date and time of to match against end-user standards (i.e. -
Page 22: Saturation Mode-Program P4.0: Electrode Properties
% saturation mode—P4.0: Electrode properties % saturation mode—P5.0: Unit configuration 8.10 These “view only” parameters show the electrode properties for diagnostic purposes: Unit configuration mode lets you select the following parameters: probe slope: shows the calibration slope of the probe. This mode displays slope A. -
Page 23: P5.2 Selecting °C Or °F Temperature Readout
P5.2: Selecting °C or °F temperature readout % saturation mode—P6.0: Adjusting LCD brightness 8.11 This meter lets you select between °C and °F units for temperature readings. This mode lets you adjust the brightness of the backlit LCD. Selecting a dimmer backlighting level helps conserve batteries. -
Page 24: Saturation Mode-Program P7.0: Resetting To Factory Default
% saturation mode—P7.0: Resetting to factory default mg/l (ppm) mode—P1.0: Dissolved Oxygen Parameters 8.12 8.13 settings This sub group lets you adjust the barometric pressure and salinity. This program lets you reset all parameters to factory default settings. This clears all calibration data, memory, and any other setup functions you might have changed. -
Page 25: P1.2 Salinity Adjustment Mode
P1.2 Salinity adjustment mode mg/l (ppm) mode—P2.0: Previous calibration information 8.14 Salinity correction mode lets you correct for This sub group shows you the previous calibration data, along with date and time of the variations in oxygen solubility due to calibration. -
Page 26: P4.1 Ready Indicator And Auto Endpoint Function
mg/l (ppm) mode—P4.0: Unit configuration 8.16 mg/l (ppm) mode—P3.0: Electrode properties 8.15 Unit configuration mode lets you select the following parameters: These “view only” parameters show the electrode properties for diagnostic purposes: A. Ready indicator and auto endpoint function probe slope: shows the calibration slope of the probe. This mode displays slope B. -
Page 27: P4.2 Selecting Mg/L Or Ppm Units
P4.2: Selecting mg/l or ppm units P4.3: Selecting °C or °F temperature readout This mode lets you select between mg/l or ppm dissolved oxygen units. This meter lets you select between °C and °F units for temperature readings. From measurement mode: From measurement mode: SETUP Press the MODE key to select mg/l... - Page 28 mg/l (ppm) mode——P5.0: Adjusting LCD brightness mg/l (ppm) mode—P6.0: Resetting to factory default 8.18 8.17 settings This mode lets you adjust the brightness of the backlit LCD. Selecting a dimmer backlighting level helps conserve batteries. This program lets you reset all parameters to factory default settings. This clears all calibration data, memory, and any other setup functions you might have changed.
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Page 29: Probe Care And Maintenance
DO Probe Care For best results, always keep the pH bulb wet. Use the rubber cap filled with OAKTON electrode storage solution to store your electrode (see page 64-65 for The probe is a galvanic measuring element which ordering information). Also, you can store in a pH 4 buffer with 1/100 part of produces an output proportional to the oxygen saturated KCl. -
Page 30: Membrane Replacement
DO Membrane Replacement Using the installation tool, unscrew and remove the membrane lock from the Installation tool Replacement of the membrane is required only membrane cap. when you cannot calibrate the probe, or if the See figure membrane is damaged. Remove the membrane and O-ring. -
Page 31: Electrolyte Solution
DO Electrolyte solution 10. Troubleshooting The electrolyte solution in your probe’s cap Problem Cause Solution will periodically evaporate and need to be replaced. 35640-71 replacement electrolyte Power on but a) Batteries not in place. a) Check that batteries are in solution comes premixed and ready to use. -
Page 32: Error Messages
11. Error Messages 12. Specifications Indicates Cause Solution Display Mode mg/l (ppm) % saturation Temperature Unrecognized input Wrong input in Release key. Select Range -2 to 16 pH 0.00 to 0.0 to 200.0% 0.0 to 50.0°C / annunciator from keypad selected mode. -
Page 33: Accessories
04804-00 Battery-powered magnetic stirrer 35805-23 Replacement submersible pH electrode with 10-ft cable, single junction, ABS plastic housing To order OAKTON accessories, contact your OAKTON distributor. 35640-71 Replacement DO electrolyte solution, 500 ml 35640-70 Electrolyte DO powder, 58.5 g. Mix your own electrolyte solution—... -
Page 34: Appendix 1: Meter Theory
15. Appendix 2: Pressure vs. Altitude table 14. Appendix 1: Meter Theory Barometric pressure affects DO readings, therefore this meter lets you enter the cor- Dissolved oxygen levels in natural and waste waters depend on the physical, rect barometric pressure at your altitude. If you do not have equipment that lets you chemical, and biochemical activities in the water body. -
Page 35: Appendix 3: Factory Default Settings
OAKTON warrants this meter to be free from significant deviations in material other setup functions to the default settings shown in the table below. However, the and workmanship for a period of three years from date of purchase. OAKTON following settings will remain as you have set them: warrants this probe to be free from significant deviations in material and •...