ELMETRON CO-505 User Manual
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ELMETRON CO-505 User Manual

Laboratory oxygen meter
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LABORATORY
OXYGEN
METER
CO-505
USER'S MANUAL

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Summary of Contents for ELMETRON CO-505

  • Page 1 LABORATORY OXYGEN METER CO-505 USER’S MANUAL...
  • Page 3 USER’S MANUAL LABORATORY OXYGEN METER CO-505 Before use please read the instruction carefully!

  • Page 5: Table Of Contents

    CONTENTS INTRODUCTION 1. Exploitation notices 2. Characteristics of the meter 3. What is the meter designed for 4. The outside view 5. Switching the meter on and off 6. Preparation to work 6.1. Choosing the kind of temperature compensation 6.2. Changing resolution of the measurements 6.3.

  • Page 7: Introduction

    - 1 - INTRODUCTION...
  • Page 8 - 2 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 9: Exploitation Notices

    - 3 - EXPLOITATION NOTICES Dear User! We present you a device distinguished by accuracy according to the technical data and by high stability of the displayed results. We believe that measurements would not cause you any trouble and that the meter would operate without any inconvenience.

  • Page 10: Characteristics Of The Meter

    - 4 - CHARACTERISTICS OF THE METER The CO-505 dissolved oxygen meter belongs to the newest generation of measuring devices which offer wide range of additional functions. The meter ensures high accuracy and repeatability of readings. The electronic elements of the newest generation used in the meter made its memory independent from power supply.

  • Page 11: The Outside View

    - 5 - THE OUTSIDE VIEW In the upper part of the meter there is an LCD display (Pic. 1), on which depending on the chosen function following symbols are displayed: - result of the oxygen measurement in % or mg/l - time and date.
  • Page 12 - connector for dissolved oxygen sensor; temp - the Chinch connector for temperature probe; - then USB port for connecting the meter with the PC; POWER - connector for power adapter. User‘s manual for CO-505 dissolved oxygen meter v1.50...
  • Page 13 - 7 - Pic. 2.

  • Page 14: Switching The Meter On And Off

    , characteristic slope = 100% O for the oxygen sensor and enters the measuring mode. It will be necessary to calibrate the oxygen sensor. The meter is switched off by pressing the button. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 15: Preparation To Work

    - 9 - PREPARATION TO WORK Before starting work: - join the power adapter plug to the Power input; - join the dissolved oxygen sensor to the O connector; - in case of using the temperature probe it should be connected with the Chinch temperature input - temp;...

  • Page 16: Changing Resolution Of The Measurements

    For the oxygen measurement: - resolution of the measurement 1% or 0,1mg/l; - resolution of the measurement 0.1% or 0.01 mg/l. Return to the measuring mode by pressing the chosen function button. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 17: Changing The Sensor Number

    - 11 - 6.3. Changing the sensor number If there is more than one sensor’s characteristic stored in the meter’s memory, it is possible to replace the sensor without the need of calibration. This option is quite useful in case of working with more than one sensor. It is necessary to connect the sensor calibrated earlier, marked with the number which responds to the number stored in the memory and choose this number.

  • Page 18: Readout Of The Last Calibration Date

    It is important to set the current date before calibration. Return to the readout of the sensor number by pressing the button, or to the measuring mode by pressing any of the function buttons. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 19: Entering The Calibration Validity Time

    - 13 - 6.5. Entering the calibration validity time The meter remembers the time of calibration validity for three sensors. After this time has been exceeded, the meter signals with flashing sensor number symbol) that it is necessary to calibrate this sensor. In order to set the time validity of calibration, in the measuring mode of the chosen function: - press the...
  • Page 20 - 14 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 21: Dissolved Oxygen Measurement

    - 15 - DISSOLVED OXYGEN MEASUREMENT...
  • Page 22 - 16 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 23: Basic Information About The Dissolved Oxygen Measurement

    - 17 - BASIC INFORMATION ABOUT THE DISSOLVED OXYGEN MEASUREMENT Measurement of dissolved oxygen in water solutions is performed with use of the oxygen sensor. The basic element of the sensor is a teflon semi- permeable membrane, which enables penetration of oxygen contained in the measured solution, into the electrolyte –...
  • Page 24 Even the best oxygen sensors have so-called drift about ±1%/24 h. Wide measuring range in the CO-505 dissolved oxygen meter enables making measurements in water permeated with oxygen, i.e. with blooming and growing plants, where during the photosynthesis process large quantities of oxygen are produced.

  • Page 25: Entering The Oxygen Meter Parameters

    - 19 - ENTERING THE OXYGEN METER PARAMETERS 8.1. Changing the unit The measurement result may be displayed in % of the oxygen saturation or in mg/l. In order to choose the unit: - in the oxygen measuring mode press the button till the (unit) sign displays in the lower row of LCD;...

  • Page 26: Compensation Of The Salinity Influence

    LCD enter the salinity value read from the table; - enter the oxygen measuring mode by pressing the button. Measurement in % of saturation does not require entering the salinity value. User‘s manual for CO-505 dissolved oxygen meter v1.50...
  • Page 27 - 21 - mS/cm mS/cm mS/cm 0.49 16.87 34.34 1.00 17.52 34.99 1.52 18.17 35.64 2.08 18.82 36.28 2.63 19.46 36.93 3.19 20.11 37.58 3.74 20.76 38.23 4.29 21.41 38.87 4.85 22.05 39.52 5.40 22.70 40.17 6.00 23.35 40.81 6.61 23.99 41.46 7.21...

  • Page 28: Automatic Compensation Of The Air Pressure Influence

    Pic. 9. - enter the oxygen measuring mode by pressing the button. During the oxygen measurement in % of saturation the atmospheric pressure has no influence on the result. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 29: Calibration Of The Dissolved Oxygen Sensor

    - 23 - CALIBRATION OF THE DISSOLVED OXYGEN SENSOR In order to eliminate the measurement error arising from the individual characteristic of the sensor its calibration should be carried out. This procedure should be performed always before operation with a new sensor, after replacing the membrane or in case of high measurement accuracy requirements.
  • Page 30 Pic. 10. In case of choosing the sensor number, entering the calibration mode and escaping it without making calibration, the stored characteristics will be erased and the standard one will be adopted. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 31: Oxygen Concentration Measurement

    - 25 - OXYGEN CONCENTRATION MEASUREMENT Before starting the oxygen concentration measurement the meter should be prepared for work (chapter 6) and the oxygen sensor calibrated (chapter 9). The measurement in % of saturation does not require additional measurements of the temperature, salinity or atmospheric pressure. However, frequent measurements in mg/l depend on these factors.

  • Page 32: Measurement With Manual Temperature Compensation

    Pic. 11. Caution: in case of measurements in solutions with low salinity check according to the chapter 8.2, weather the introduced salinity value is 0.00 g/l. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 33: Atmospheric Pressure Measurement

    - 27 - III. ATMOSPHERIC PRESSURE MEASUREMENT...
  • Page 34 - 28 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 35: Atmospheric Pressure Measurement

    - 29 - ATMOSPHERIC PRESSURE MEASUREMENT The meter enables atmospheric pressure measurement. In order to read its value: - turn the meter on by pressing the button; - with the button choose the oxygen concentration mode (O - press the button till the moment of displaying the (pressure) sign in the lower row;...
  • Page 36 - 30 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 37: Temperature Measurement

    - 31 - IV. TEMPERATURE MEASUREMENT...
  • Page 38 - 32 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 39: Temperature Measurement

    - 33 - TEMPERATURE MEASUREMENT The temperature measurement is made as follows: - switch the meter on by pressing the button; - connect the temperature probe to the Chinch connector, the symbol will be displayed; - put the temperature probe to the measured solution; - wait till the value stabilises and read the result in the lower row of numbers.
  • Page 40 - 34 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 41: Other

    - 35 - V. OTHER...
  • Page 42 - 36 - User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 43: Clock With Date

    - 37 - CLOCK WITH DATE After choosing the time mode with the button the meter will display the current time. Pressing of the button displays interchangeably: the date, backlight mode, auto switch off time and the software version number. 13.1.

  • Page 44: Setting Time And Date

    60 seconds after each press of any button; the backlight is always on. Pic. 15. With the buttons choose the backlight mode. Return to the time mode after pressing the button. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 45: The Brightness Control

    - 39 - 13.5. The brightness control Controling brightness of the backlight is especially important in case of working in various lighting conditions. While choosing the backlight mode (section 13.4) it is possible to control the brightness by pressing the button shortly.

  • Page 46: Readout Of The Software Version Number

    13.6. Readout of the software version number In the time function press the button till the software version number displays (Pic. 17). Pic. 17. Return to the time mode by pressing the button. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 47: Storing And Readout Of The Results

    - 41 - STORING AND READOUT OF THE RESULTS The meter enables storing of 4000 results of the currently measured function. The results are stored in EEPROM memory, which is non-volatile, so the data isn’t lost even after complete lack of power. Before starting work it is necessary to choose the parameters of storing or readout of the stored results.
  • Page 48 - successively: number of the sample and the result. Changing with the buttons. Return to the results readout display after pressing the button. Exit from the readout mode after pressing the chosen measuring function button. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 49: Memorising Single Redouts

    - 43 - 14.2. Memorising single redouts If storing of single results has been chosen according to previous section, every press of the button memorises the result. The results are stored as the next ones after the latest stored. In case of checking the results stored earlier and not returning to the last one, the results won’t be deleted and the value will be stored under the first empty position.

  • Page 50: Reviewing The Results

    - press any function button to exit the reviewing mode. Deleting all the results from the memory should be started beginning with the first number. User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 51: Co-Operation With A Pc

    - 45 - CO-OPERATION WITH A PC Connecting the meter with a PC enables storing the data directly on the computer, what makes a possible number of results to store unlimited. The PC should be equipped with a USB connector. For transmission a special software prepared by our firm should be used.

  • Page 52: Technical Data

    Final accuracy of the measurement depends on the accuracy of the used Pt-1000 probe TEMPERATURE PROBE: platinum resistor Pt-1000 ACCURACY OF THE PROBE IN RANGE 0 ÷ 100 for Pt-1000b resistor: ±0.8 for Pt-1000 b resistor: ±0.27 User‘s manual for CO-505 dissolved oxygen meter v1.50...

  • Page 53: Equipment

    - 47 - OTHER: MEMORY CAPACITY: 4000 results 0 ÷ 40 o C OPERATING TEMPERATURE: POWER: 12V/100mA stab. power adapter POWER CONSUMPTION: 0% backlight 420 mW 100% backlight 660 mW DISPLAY: LCD 69 x 73 mm DIMENSIONS: 200 x 180 x 50 mm WEIGHT: 620g EQUIPMENT...
  • Page 54 - 48 - User‘s manual for CO-505 dissolved oxygen meter v1.50...
  • Page 55 W A R R A N T Y The ELMETRON company ensures a 24-month warranty for the CO-505 dissolved oxygen meter number: ..........In case of damage the producer will repair the meter within 14 days from the day of delivery.
  • Page 60 ® Sp. j. 41-814 Zabrze Witosa 10 Poland tel. (+48) 32 2738106 fax (+48) 32 2738114 www.elmetron.com.pl e-mail: info@elmetron.com.pl...

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