Environmental Express OAKTON 200 Series Instruction Manual
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Environmental Express OAKTON 200 Series Instruction Manual

Dissolved oxygen meter
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  • Page 1 1.800.544.2843 www.calcert.com sales@calcert.com...
  • Page 2 Preface This manual describes the operation of the following instrument. Brand: OAKTON Series name: OAKTON 200 series Handheld meters Model: DO250, DO260 Model description: 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 DO Calibration............11 Temperature Calibration ......... 17 Data ..................19 Data capture and storage........19 Data transfer.............
  • Page 11 MEMO 1.800.544.2843 www.calcert.com sales@calcert.com...

  • Page 12: Product Overview

    Product overview Product Overview This section describes the package content, key features and product components of OAKTON DO200 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 DO250) / 1000 (for DO260) 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 DO Stability indicator shows value is stable for the documentation in auto-stable and auto-hold modes Appears when the measured value display is stable and fixed in auto-hold mode Temperature display Displays the measured temperature...
  • 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 on page 39 to solve this Electrode sensitivity level Electrode sensitivity 80% (excellent) Electrode sensitivity between 80% to 60% (very good) Electrode sensitivity between 60% to 50% (good).
  • Page 17 Product overview Keypad operation Keypad Name Function operation Switches from the measurement mode to the calibration mode. CAL key Starts calibration in the calibration mode. Switches from the operation mode to the measurement mode. MEAS key Releases the fixed measurement value mode in the auto hold mode and begins a new measurement.

  • Page 18: Basic Operations

    Basic operations Basic operations This section describes function and basic operation method of each part of OAKTON DO200 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. Use the following procedure to correctly connect the electrode to the instrument. 1. Insert the electrode connector by fitting its groove with the connector pin of the instrument.

  • 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 mode 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. 1.800.544.2843 www.calcert.com sales@calcert.com...

  • Page 22: Calibration

    DO calibration Calibration This section describes the basic calibration method using OAKTON DO200 series Handheld meters and DO electrode. DO Calibration Calibration is necessary for accurate dissolved oxygen measurement. Two calibration modes are available in DO meter for calibration, Saturated oxygen concentration mode (%) Dissolved oxygen measurement mode (mg/L) To perform various DO calibrations, follow the procedures detailed below: Note...
  • Page 23 DO calibration Air calibration 5. Hold the DO electrode still in clean air. 6. Press the key. Meter starts checking various calibration values with a blinking screen. 7. Wait for the to stabilize (stable calibration reading). 8. Press the ENT key to confirm and save calibration data.
  • Page 24 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 25 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 DO meter and plug in the DO electrode. Dip the DO electrode at least 6 cm in the standard solution.
  • Page 26 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 27 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 28: Temperature Calibration

    Temperature calibration Temperature Calibration Temperature calibration is required to accurately match the 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 DO electrode with DI (deionized) water and wipe it with tissue paper.
  • Page 29 Temperature calibration Calibration 7. After placing the DO electrode in the standard 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 30: Data

    Data capture and storage Data This section describes the basic method of data transferring using OAKTON DO200 series Handheld meters. Data capture and storage In OAKTON DO200 series Handheld meters DO200, 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 31: 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 DO200 series Handheld meters). Connect the phono jack at the instrument side to the communication port on the PC.

  • Page 32: Setup

    DO set up Setup This section describes all the setup functions available in OAKTON DO200 series Handheld meters DO200. 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 DO200 series Handheld meters, follow the procedure detailed below: Prerequisites...
  • Page 33 DO set up P1.1 Salinity value setup 15. Press the key, P1 DO screen appears. 16. Press the ENT key, P1.1 SAL screen appears. 17. Press the ENT key, by default SAL 0.0 ppt appears. 18. Use the keys to adjust the salinity value in between 0.0 to 40.0 ppt. 19.
  • Page 34 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 35 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 36: Wp2 Data Setup

    Data set up wP2 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 DO200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the DO meter.
  • Page 37 Data set up P2.1 Data log interval setup 8. Press the key, P1 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 38 Data set up P2.2 Print data setup 1. Press the key, P1 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 39 Data set up P2.2 Erase data 1. Press the key, P1 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 40: 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 DO200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the DO meter.
  • Page 41 General set up P3.1 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 42 General set up P3.2 Auto shut-off time setup 1. Press the key, P1 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 43 General set up P3.3 Temperature unit setup 1. Press the key, P1 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. Press the key, P3.2 A.OFF screen appears.
  • Page 44 General set up P3.4 Reset meter (factory default) 1. Press the key, P1 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 45: P4 Clk Setup

    Clock set up P4 CLK setup Real-time clock functionality is available only for OAKTON DO200 series Handheld meters. Using P4 Clock setup function of the meter, you can set: Date Time To set the clock function using OAKTON DO200 series Handheld meters, follow the procedure detailed below: Prerequisites Switch on the DO meter.
  • Page 46 Clock set up P4.1 Date setup 11. Press the key, P1 PH 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 47 Clock set up P4.2 Time setup 1. Press the key to switch to the setup mode, P1 PH 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. 5.

  • Page 48: Maintenance And Storage

    Maintenance and storage Maintenance and storage This section describes maintenance of OAKTON DO200 series Handheld meters, 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 49: Maintenance And Storage Of The Do Electrode

    Maintenance and storage Maintenance and storage of the DO electrode This section describes an overview of the procedures for maintenance and storage of DO electrode to be performed as part of daily use. How to clean the membrane of DO electrode The membrane of DO electrode is extremely thin.

  • Page 50: Error Messages And Trouble Shooting

    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 51 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 52 Error messages and trouble shooting The indicated value does not change Cause How to solve problem The electrode is broken. Replace the electrode. The electrode is not connected Connect the electrode correctly. correctly. Turn OFF the power, remove the batteries, and then Keys are locked.
  • Page 53 Error messages and trouble shooting Nothing appears when the power is turned ON Cause How to solve problem Power is not supplied. Insert batteries. Insert the batteries with the polarity (+, ) correctly Battery polarity (+, ) is reversed. oriented. Battery life is low.

  • Page 54: Appendix

    Technical note Appendix Appendix 1 This section describes technical information and option for OAKTON DO200 series Handheld meters. 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)
  • Page 55 Printout summary Appendix 2 Printer format - Measurement DO - mg/L Meter Model : OAKTON DO200 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Mode : DO : 7.26 mg/L Temperature : 25.0 C (MAN) Electrode Status : Excellent User Name...
  • Page 56 Printout summary Printer format - Data log Meter Model : OAKTON DO200 Serial Number : 123456789 SW Revision : 1.00 User Name Signature Logged Data Location Date : 10 Aug 2018 Time : 10:10:28 Mode : pH : 7.00 pH : 0.0 mV Temperature : 25.0 C (MAN)
  • Page 57 Printout summary Printer format - Calibration DO (%) Meter Model : OAKTON DO200 Serial Number : 123456789 SW Revision : 1.00 Date : 20 Aug 2018 Time : 10:10:28 Cal Points : 100.0 %, 0.0 % Span. Coef : 1.23 Zero.
  • Page 58 Specifications Appendix 3 DO250 DO260 Model DO/Temp (°C/°F) Dissolved Oxygen (DO) Range 0.0 to 20.00 mg/L 0.0 to 200.0% Resolution 0.01 mg/L, 0.1% Accuracy ±0.1 mg/L Salinity Compensation 0.0 to 40.0 ppt Barometric Pressure Compensation DO Probe Type Galvanic integrated with temperature sensor Calibration Points Up to 2 Temperature Range...
  • Page 59 1.800.544.2843 www.calcert.com sales@calcert.com...

This manual is also suitable for:

Oakton do250Oakton do260

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