Environmental Express OAKTON PD250 Instruction Manual
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Environmental Express OAKTON PD250 Instruction Manual

Ph/orp/dissolved oxygen meter
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  • Page 1 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 2 Preface This manual describes the operation of the following instrument. Brand: OAKTON Series name: OAKTON 200 Series Handheld Water Quality Meter Model: PD250, PD260 Model description: pH/ORP/Dissolved Oxygen Meter Be sure to read this manual before using the product to ensure proper and safe operation of the product.
  • Page 3 Regulations Regulations EU regulations Conformable standards This equipment conforms to the following standards: EMC: EN61326-1 Class B, Basic electromagnetic environment RoHS: EN50581 9. Monitoring and control instruments Warning: This product is not intended for use in industrial environments. In an industrial environment, electromagnetic environmental effects may cause the incorrect performance of the product in which case the user may be required to take adequate measures.
  • Page 4 Regulations Authorised representative in EU FCC rules FCC Compliance Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 5 For Your Safety For Your Safety Hazard classification and warning symbols Warning messages are described in the following manner. Read the messages and follow the instructions carefully. Hazard classification This indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. This is to be limited to the most extreme situations.
  • Page 6 For Your Safety Safety precautions This section provides precautions for using the product safely and correctly and to prevent injury and damage. The terms of DANGER, WARNING, and CAUTION indicate the degree of immanency and hazardous situation. Read the precautions carefully as it contains important safety messages.
  • Page 7 For Your Safety Battery Keep batteries out of reach of children. If someone accidentally swallows a battery, consult a doctor immediately. If alkaline fluid from a battery gets into the eyes, do not rub the eyes, rinse with clean water immediately and then consult a doctor. Contact with alkaline fluid could cause blindness.
  • Page 8 Product Handling Information Product Handling Information Operational precautions (instrument) Only use the product including accessories for their intended purpose. Do not drop or physically impact the instrument. The instrument is made of solvent-resistant materials but that does not mean it is resistant to all chemicals.
  • Page 9 Product Handling Information Environmental conditions for use and storage Temperature: 0 °C to 45 °C Humidity: under 80% relative humidity and free from condensation Avoid the following conditions: Strong vibration Direct sunlight Corrosive gas environment Locations close to an air-conditioner Direct wind Transportation When transporting the instrument, repackage it in the original package box.

  • Page 10: Table Of Contents

    Contents Product Overview ............. 1 Package Content............1 Key Features .............. 2 Product components..........3 Basic operations ............... 7 Mode and measurement..........9 Calibration ............... 11 pH Calibration ............11 ORP/mV Calibration..........13 DO Calibration............15 Temperature Calibration ......... 21 Data .................. 23 Data capture and storage........
  • Page 11 Contents Maintenance and storage of electrodes ....55 Error messages and trouble shooting ......57 Appendix ................. 62 Appendix 1 ............... 62 Appendix 2 ............... 65 Appendix 3 ............... 70 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 12: Product Overview

    Product overview Product Overview This section describes the package content, key features and product components of OAKTON PD200 series Handheld meters. Package Content After opening the carry case, remove the meter and check for damage on the instrument and confirm that the standard accessories all exist. If damage or defects are found on the product, contact your dealer.

  • Page 13: Key Features

    Product overview Key Features IP67 water ingress, dust-proof, shock-resistant, anti-slip meter housing. Large monochrome LCD (50 x 50 mm) with white LED back lighting. Built-in electrode holder (up to 2 electrodes). Foldable meter stand. Simple user interface and single parameter display. 500 (for PD250) / 1000 (for PD260) data memory.

  • Page 14: Product Components

    Product overview Product components Name Function Monochrome LCD Displays the measured value Operation keys Used for instrument operation Electrode connector Connect to the BNC connector of the electrode Temperature connector (T) Connect to the temperature sensor of the electrode Battery cover Open/close to insert/remove batteries Electrode holder Hold the electrode to carry with the instrument...
  • Page 15 Product overview Display Name Function Displays the current operation mode (Setup, Calibration, Status Icon Measurement and Data mode) Parameters Displays the measured parameters like pH, RmV, and DO Stability indicator shows value is stable for documentation in Auto Stable and Auto Hold modes Appears when the measured value display is stable and fixed in auto-hold mode Temperature display...
  • Page 16 Product overview Battery level display 100% battery life 50% battery life 20% battery life Batteries are weak and need replacement. Refer BATT LOW (page 57) to solve this pH Electrode sensitivity level Electrode sensitivity above 95%(excellent) Electrode sensitivity between 85% to 95% (very good) Electrode sensitivity between 80% to 85%(good).
  • Page 17 Product overview Keypad operation Keypad Name Function Switches from the measurement mode to the calibration mode. CAL key Starts calibration in the calibration mode. Switches the operation mode to the measurement mode. MEAS key Releases the fixed measurement value mode in the auto hold mode and begins a fresh measurement.

  • Page 18: Basic Operations

    Basic operations Basic operations This section describes function and basic operation method of each part of OAKTON 200 series Handheld meters. Turning on the instrument Inserting the batteries This instrument is operated by batteries. You can use AA alkaline batteries or AA Ni- MH chargeable batteries. Perform the following procedure to insert batteries in the instrument.
  • Page 19 Basic operations Connecting an electrode To perform calibration/ measurement, it is necessary to use the appropriate electrode for measurement parameter. Recommended electrodes for various sample are listed in our product catalog. Use the following procedure to correctly connect the electrode to the instrument: 1.

  • Page 20: Mode And Measurement

    Basic operations Mode and measurement Changing the operation mode You can change the operation mode to four available modes depending on the purpose of use. The status icon indicates the current mode. Icon Name Function Setup mode Perform various setup functions. Calibration Performs calibration.
  • Page 21 Basic operations Changing the measurement parameter This instrument measures multiple parameters. For measurement, an electrode corresponding to the measurement parameter is required. In the measurement mode, the measurement parameter can be changed by pressing the key. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 22: Calibration

    pH calibration Calibration This section describes the basic calibration method using OAKTON PD200 series Handheld meters, pH electrode and DO electrode. pH Calibration Calibration is necessary for accurate pH measurement. To perform pH calibration, follow the procedure detailed below. Prerequisites Clean the pH electrode with DI (deionized) water and wipe it with tissue paper.
  • Page 23 pH calibration Calibration 5. After placing the pH electrode in the buffer solution, press the key. 6. The selected buffer standard appears on the meter screen and meter starts checking various calibration values with a blinking on screen. 7. Wait for the to stabilize (stable calibration reading).

  • Page 24: Orp/Mv Calibration

    ORP calibration ORP/mV Calibration Calibration is necessary for accurate ORP measurement. To perform ORP calibration, follow the procedure detailed below: Prerequisites Clean the ORP electrode with DI (deionized) water and wipe it with tissue paper. Switch on the PD meter and plug in the ORP electrode. Prepare buffer solution required for calibration.
  • Page 25 ORP calibration Calibration 11. After placing the electrode in the solution, press the key to switch to mV mode. 12. Press the key. 13. Meter starts reading mV values and the blinks until value stabilizes. 14. Wait for the to stabilize (stable calibration reading). 15.

  • Page 26: Do Calibration

    DO calibration DO Calibration Calibration is necessary for accurate dissolved oxygen measurement. Two DO calibration modes are available in PD meter for calibration, Saturated oxygen concentration mode (%) Dissolved oxygen measurement mode (mg/L) To perform various DO calibrations, follow the procedures detailed below: Note Set the air pressure value (default setup is 101.3 kPa) before calibration for accurate measurement.
  • Page 27 DO calibration Air calibration 18. Hold the DO electrode still in clean air. 19. Press the key. Meter starts checking various calibration values with a blinking on screen. 20. Wait for the to stabilize (stable calibration reading). 21. Press the ENT key to confirm and save calibration data.
  • Page 28 DO calibration Zero calibration 1. Dip the DO electrode in the zero standard solution. 2. Press the key. Meter starts checking various calibration values with a blinking screen. 3. Wait for the to stabilize (stable calibration reading). 4. Press the key again to move to Zero Calibration mode.
  • Page 29 DO calibration Calibration in dissolved oxygen measurement mode (mg/L) Prerequisites Clean the membrane at the tip of the DO electrode with DI (deionized) water and wipe it with tissue paper. Prepare required standard solutions (high-concentration and low-concentration solutions). Switch on the PD meter and plug in the DO electrode. Dip the DO electrode at least 6 cm in the standard solution.
  • Page 30 DO calibration point calibration 1. After placing the DO electrode in the high concentration solution, press the key. Meter starts checking various calibration values with a blinking on screen. 2. Wait for the to stabilize (stable calibration reading). 3. Use the keys to adjust the DO reading.
  • Page 31 DO calibration point calibration 1. After placing the DO electrode in the low concentration solution (zero standard solution), press the key. Meter starts checking various calibration values with a blinking on screen. 2. Wait for the to stabilize (stable calibration reading). 3.

  • Page 32: Temperature Calibration

    Temperature calibration Temperature Calibration Temperature calibration is required to accurately match pH or DO electrode to the meter. Check the temperature reading and if its acceptable, no temperature calibration is required. If you need to calibrate, please follow the procedure detailed below: Prerequisites Clean the pH or DO electrode with DI (deionized) water and wipe it with tissue paper.
  • Page 33 Temperature calibration Calibration 7. After placing the electrode in the solution, press the key. 8. Press the key to switch to temperature calibration mode. Meter displays measured temperature value. 9. Use the keys to adjust the temperature to the required value. 10.

  • Page 34: Data

    Data capture and storage Data This section describes the basic method of data transferring using OAKTON 200 series Handheld meters. Data capture and storage In OAKTON PD200 series Handheld meters, data measured by the instrument can be stored in the internal memory. To save the measured data: Press the ENT key to save the displayed data.

  • Page 35: Data Transfer

    Data capture and storage Data transfer Transfer data to PC Connect the instrument to a PC using the phono plug to USB cable to transfer saved data to the PC (for OAKTON PD260 only). Connect the phono jack at the instrument side to the communication port on the PC.

  • Page 36: Setup

    pH set up Setup This section describes all the setup functions available in OAKTON PD200 series Handheld meters. P1 pH setup Using P1 pH setup function of the meter, you can: Select buffer standard Set calibration alarm Erase calibration data To set the pH functions using OAKTON PD200 series Handheld meters, follow the procedure detailed below: Prerequisites...
  • Page 37 pH set up P 1.1 Buffer selection 15. Press the key, P1 PH screen appears. 16. Press the ENT key, P1.1 BUFF screen appears. 17. Press the ENT key, by default BUFF USA appears. 18. Use the keys to change the buffer standard to BUFF NIST or BUFF DIN. 19.
  • Page 38 pH set up P 1.2 Calibration alarm setup 1. Press the key, P1 PH screen appears. 2. Press the ENT key, P1.1 BUFF screen appears. 3. Press the key, P1.2 C.ALr screen appears. 4. Press the ENT key, by default DAYS ---- appears. 5.
  • Page 39 pH set up P 1.3 Erase calibration data 1.Press the key, P1 PH screen appears. 2.Press the ENT key, P1.1 BUFF screen appears. 3.Press the key, P1.2 C.ALr screen appears. 4.Press the key, P1.3 C.CLr appears. 5.Press the ENT key, C.CLr NO screen appears with NO as default setup. 6.Use the keys to change the setup to YES.

  • Page 40: P1 Do Setup

    DO set up P1 DO setup Using P1 DO setup function of the meter, you can: Set salinity value Set barometric pressure Erase calibration data To set the DO functions using OAKTON PD200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the PD meter.
  • Page 41 DO set up P1.1 Salinity value setup 8. Press the key, P1 DO screen appears. 9. Press the ENT key, P1.1 SAL screen appears. 10. Press the ENT key, by default SAL 0.0 ppt appears. 11. Use the keys to adjust the salinity value in between 0.0 to 40.0 ppt. 12.
  • Page 42 DO set up P1.2 Barometric pressure setup 1. Press the key, P1 DO screen appears. 2. Press the ENT key, P1.1 SAL screen appears. 3. Press the key, P1.2 PRES screen appears. 4. Press the ENT key, by default PRES 101.3 appears. 5.
  • Page 43 DO set up P1.3 Erase calibration data 1. Press the key, P1 DO screen appears. 2. Press the ENT key, P1.1 SAL screen appears. 3. Press the key, P1.2 PRESS screen appears. 4. Press the key, P1.3 C.CLr appears. 5. Press the ENT key, C.CLr NO screen appears with NO as default setup.

  • Page 44: P2 Data Setup

    Data set up P2 Data setup Using P2 Data setup function of the meter, you can: Set data log interval Print data log Erase data log To set the data functions using OAKTON PD200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the PD meter.
  • Page 45 Data set up P 2.1 Data log interval setup 8. Press the key, P1 PH/DO screen appears. 9. Press the key, P2 DATA screen appears. 10. Press the ENT key, P2.1 LOG screen appears. 11. Press the ENT key, previously set log interval appears. 12.
  • Page 46 Data set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 47 Data set up P 2.2 Print data setup 1. Press the key, P1 PH/DO screen appears. 2. Press the key, P2 DATA screen appears. 3. Press the ENT key, P2.1 LOG screen appears. 4. Press the key, P2.2 PrNT screen appears. 5.
  • Page 48 Data set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 49 Data set up P2.3 Erase data 1. Press the key, P1 PH/DO screen appears. 2. Press key, P2 DATA screen appears. 3. Press the ENT key, P2.1 LOG screen appears. 4. Press the key, P2.2 PRNT screen appears. 5. Press the key, P2.3 D.CLR screen appears.
  • Page 50 Data set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 51: P3 General Setup

    General set up P3 General setup Using P3 General setup function of the meter, you can: Select stability mode of the meter Set auto shut-off time Select temperature measurement Reset the meter To set the general functions using OAKTON PD200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the PD meter.
  • Page 52 General set up P 3.1 Auto Stable, Auto Hold and Real Time mode setup Auto Stable (AS) mode - the meter shows live readings annunciator blinks until the reading is stable. Auto Hold (AH) mode - the meter locks the stable reading; annunciator blinks until reading is stable and then lights up.
  • Page 53 General set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 54 General set up P 3.2 Auto shut-off time setup 1. Press the key, P1 PH/DO screen appears. 2. Press the key, P2 DATA screen appears. 3. Press the key, P3 GEN screen appears. 4. Press the ENT key, P3.1 STBL screen appears. 5.
  • Page 55 General set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 56 General set up P 3.3 Temperature unit setup 1. Press the key, P1 PH/DO screen appears. 2. Press the key, P2 DATA screen appears. 3. Press the key, P3 GEN screen appears. 4. Press the key, P3.1 STBL screen appears. 5.
  • Page 57 General set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 58 General set up P 3.4 Reset meter (factory default) 1. Press the key, P1 PH/DO screen appears. 2. Press the key, P2 DATA screen appears. 3. Press the key, P3 GEN screen appears. 4. Press the ENT key, P3.1 STBL screen appears. 5.
  • Page 59 General set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 60: P4 Clk Setup

    Clock set up P4 CLK setup Real-time clock functionality is available only for OAKTON 260 meters. Using P4 Clock setup function of the meter, you can set: Date Time To set the clock function using OAKTON PD260 handheld meter, follow the procedure detailed below: Prerequisites Switch on the PD meter.
  • Page 61 Clock set up P 4.1 Date setup 11. Press the key, P1 PH/DO screen appears. 12. Press the key, P2 DATA screen appears. 13. Press the key, P3 GEN screen appears. 14. Press the key, P4 CLK screen appears. 15. Press the ENT key, P4.1 DATE screen appears.
  • Page 62 Clock set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 63 Clock set up P 4.2 Time setup 1. Press the key to switch to the setup mode, P1 PH/DO screen appears. 2. Press the key, P2 DATA screen appears. 3. Press the key, P3 GEN screen appears. 4. Press the key, P4 CLK screen appears.
  • Page 64 Clock set up DO mode GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 65: Maintenance And Storage

    Maintenance and storage Maintenance and storage This section describes maintenance of OAKTON 200 series Handheld meters, pH, ORP and DO electrodes used with the meter. Maintenance contract Please contact your dealer for the product maintenance contract. Maintenance and storage of the instrument How to clean the instrument If the instrument is dirty, wipe it gently with a soft dry cloth.
  • Page 66 Maintenance and storage Maintenance and storage of electrodes This section describes an overview of the procedures for maintenance and storage of pH, ORP and DO electrodes. How to clean the pH and ORP electrodes Always clean the electrode with deionized water after every measurement. When the response is slow or residue from the sample adheres to the electrode, use the appropriate method below to clean the electrode, and then clean again with deionized water.
  • Page 67 Maintenance and storage Daily storage of the pH and ORP electrodes If the electrode becomes dry, the response will be slow. Store in a moist atmosphere. Follow the steps below to properly store the electrodes even when the electrodes will not be used for a long period.
  • Page 68 Error messages and trouble shooting Error messages and trouble shooting Error message This section describes the causes of typical errors and the actions to be taken to resolve respective errors. If ERR is displayed while you are using the instrument, check the error, its cause and action to be taken in the error list below: Meter display ERR description...
  • Page 69 Error messages and trouble shooting Trouble shooting his section describes causes and actions to take for problems that customers frequently ask. The indicated value fluctuates < Problem with the electrode > Cause How to solve problem The electrode is dirty. Clean the electrode.
  • Page 70 Error messages and trouble shooting The response is slow Cause How to solve problem The electrode is dirty. Clean the electrode. The electrode is broken. Replace the electrode. It is important to select an electrode that is appropriate for the sample. Consult your dealer. To The response of electrode is affected confirm an electrode that is appropriate for the by the sample solution.
  • Page 71 Error messages and trouble shooting The measured value is out of the measurement range When the measured value is below the display range, Ur appears. When the measured value is over the display range, Or appears. Cause How to solve problem Sample is out of the measurement Use a sample within the measurement range.
  • Page 72 Error messages and trouble shooting Nothing appears when the power is turned ON Cause How to solve problem Power is not supplied. Insert batteries. Battery polarity (+, ) is reversed. Insert the batteries with the polarity (+, ) correctly oriented. Battery life is low.
  • Page 73 Technical note Appendix Appendix 1 This section describes technical information and option for OAKTON 200 series Handheld meters. The pH vs. temperature values for the various standards are listed below: < USA > Temp. (°C) pH 1.68 pH 4.01 pH 7.00 pH 10.01 pH 12.46 1.67...
  • Page 74 Technical note < NIST > Temp. (°C) pH 1.68 pH 4.01 pH 6.86 pH 9.18 pH 12.46 1.67 4.00 6.98 9.46 1.67 4.00 6.95 9.39 13.25 1.67 4.00 6.92 9.33 13.03 1.67 4.00 6.90 9.27 1.68 4.00 6.88 9.22 12.64 1.68 4.01 6.86...
  • Page 75 Technical note Saturated DO levels in water at various temperatures ISO17289 (JIS K0102) Temp. Saturated Temp. Saturated Temp. Saturated Temp. Saturated (°C) (°C) (°C) (°C) (mg/L) (mg/L) (mg/L) (mg/L) 14.22 11.03 8.92 7.43 13.83 10.78 8.74 7.31 13.46 10.54 8.58 7.18 13.11 10.31...
  • Page 76 Printout summary Appendix 2 Printer format - Measurement Meter Model : OAKTON PD260 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Mode : pH : 7.00 pH : 0.0 mV Temperature : 25.0 C (MAN) Electrode Status : Excellent User Name...
  • Page 77 Printout summary Relative mV Meter Model : OAKTON PD260 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Mode : R. mV R. mV : 3.0 mV Offset : -3.0 mV Temperature : 25.0 C (MAN) User Name Signature DO - mg/L...
  • Page 78 Printout summary Do - % Meter Model : OAKTON PD260 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Mode : Do : 100.0 % Temperature : 25.0 C (MAN) Electrode Status : Excellent User Name Signature Printer format - Data log...
  • Page 79 Printout summary Printer format - Calibration Meter Model : OAKTON PD260 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Calibration data Cal Date : 20 Jun 2018 Cal Time : 10:10:10 Cal Points : 4.01, 7.00, 10.01 Offset : 0.0 mV...
  • Page 80 Printout summary DO (mg/L) Meter Model : OAKTON PD260 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Cal Points : 8.26 mg/L, 0.0 mg/L Span. Coef : 1.23 Zero. Coef : 0.12 Cal Temp.
  • Page 81 Specifications Appendix 3 PD250 PD260 Model pH/ORP/DO/Temp (°C/°F) pH Range -2.00 to 16.00 pH Resolution 0.01 pH Accuracy ±0.01 pH Calibration Points USA & NIST (Up to 5), DIN (Up to 6) pH Buffer Groups USA, NIST, DIN ORP Range ±2000 mV Resolution 0.1 mV ( ±1000 mV), 1 mV ( ±1000mV)
  • Page 82 Specifications PC Communication Printer Communication Meter Inputs BNC, phono Display Custom LCD with backlight Housing IP67, shock & scratch resistant, non-slip Power Requirement 2 × AA batteries Battery Life > 500 hours Dimensions 160 (L) × 80 (W) × 40.60 (H) mm Approx.
  • Page 83 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

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