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User‘s manual for CO-505 dissolved oxygen meter

v1.50

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Summary of Contents for CO-505

Page 1: ...LABORATORY OXYGEN METER CO 505 USER S MANUAL...

Page 2: ......

Page 3: ...USER S MANUAL LABORATORY OXYGEN METER CO 505 Before use please read the instruction carefully...

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Page 5: ...atic compensation of the air pressure influence 22 9 Calibration of the dissolved oxygen sensor 23 10 Oxygen concentration measurement 25 10 1 Measurement with automatic temperature compensation 25 10...

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Page 7: ...1 I INTRODUCTION...

Page 8: ...2 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 9: ...ter may be troublesome Accuracy of the dissolved oxygen measurements depends on the sensor calibration and regular conservation which consists in replacing the membranes electrolyte and cleaning the e...

Page 10: ...y remembering the measurements results with time date individually or taking series of measurements with set time interval USB port large LCD backlight display with brightness control real clock and d...

Page 11: ...temperature compensation displayed CAL symbol on the left side of the display informs that the meter is in the calibration mode The number of the chosen electrode is displayed on the left side E1 E2...

Page 12: ...is button enters the calibration mode CAL symbol displayed Short press in this mode confirms the calibration result short press causes memorising single results or measuring series holding enters the...

Page 13: ...7 Pic 2...

Page 14: ...uring mode in which it was switched off Displaying of the sign informs that the meter has lost the factory settings and requires service repair If after 1 5 s all symbols are continuously displayed it...

Page 15: ...t switch the meter on by pressing the button 6 1 Choosing the kind of temperature compensation The meter switches to the automatic temperature compensation mode automatically after connecting the temp...

Page 16: ...er to change it in the measuring mode press the button a resolution sign will be displayed Pic 4 using keys choose low resolution of the measurement high resolution of the measurement Pic 4 For the ox...

Page 17: ...press the button till the moment of displaying or symbol in the upper row of the display than using the buttons choose the sensor number Under this number the calibration results will be stored pic 5...

Page 18: ...he button The last calibration date will be displayed in the following format month day year below Pic 6 On the left the sensor number is displayed Flashing date informs about expiration of the sensor...

Page 19: ...n the measuring mode of the chosen function press the button till the moment of displaying a time out symbol in the upper row The number of days till the next calibration will be displayed below Pic 7...

Page 20: ...14 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 21: ...15 II DISSOLVED OXYGEN MEASUREMENT...

Page 22: ...16 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 23: ...c maintaining activities of the sensor from the user s side It is worth remembering that during measurement the sensor absorbs oxygen from the environment of the membrane The sensor s manufacturers gi...

Page 24: ...bled Depending on thickness of the membrane awaiting time for a stable result comes to about 1 1 5 min Accuracy of the measurement is connected with the temperature of calibration and measurement The...

Page 25: ...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 with the buttons choose the symbol measuremen...

Page 26: ...The salinity value may be determined on the basis of known conductivity of the measured solution Table 1 shows actual dependence between salinity and conductivity counted in NaCl In order to enter the...

Page 27: ...1 39 23 99 66 41 46 13 7 21 40 24 64 67 42 11 14 7 83 41 25 29 68 42 75 15 8 45 42 25 93 69 43 40 16 9 07 43 26 58 70 44 05 17 9 70 44 27 23 71 44 70 18 10 35 45 27 87 72 45 34 19 11 01 46 28 52 73 45...

Page 28: ...pensation thanks to build in atmospheric pressure sensor This influence is automatically counted during measurements in mg l There is possibility of reading the atmospheric pressure value in the oxyge...

Page 29: ...ced according to the manufacturer s instruction This situation usually takes place if the membrane is strongly polluted or ruptured sometimes almost invisibly After replacing the membrane the sensor s...

Page 30: ...ut wash it accurately in distilled water and put it into 100 oxygen saturated solution ensuring the liquid flow or leave it on the air after stabilisation of the result press the button the result fla...

Page 31: ...igher accuracy is required the interval from the last calibration must be additionally taken into consideration signal drift If the salinity of the tested solution is insignificant the measurement can...

Page 32: ...2 insert the oxygen sensor to the measured solution measure the temperature of the solution with the buttons enter the temperature value of the measured solution into the lower row of LCD pressing bot...

Page 33: ...27 III ATMOSPHERIC PRESSURE MEASUREMENT...

Page 34: ...28 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 35: ...ue turn the meter on by pressing the button with the button choose the oxygen concentration mode O2 press the button till the moment of displaying the pressure sign in the lower row in the upper row t...

Page 36: ...30 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 37: ...31 IV TEMPERATURE MEASUREMENT...

Page 38: ...32 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 39: ...the lower row of numbers The meter cooperates with the Pt 1000 probe Depending on its class the accuracy of the measurement changes CAUTION break in the circuit of the temperature probe switches the...

Page 40: ...34 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 41: ...35 V OTHER...

Page 42: ...36 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 43: ...the software version number 13 1 Clock The time is displayed in two rows on the display pic 13 In the upper one hours and minutes are displayed and the lower one displays seconds The way of changing...

Page 44: ...ears Flashing of the clock readings after the meter has been connected to the power supply informs about loss of the clock settings It is necessary to introduce new settings If such situation occurs e...

Page 45: ...backlight mode section 13 4 it is possible to control the brightness by pressing the button shortly In the place of or parameter the value of brightness in displays With the buttons it is possible to...

Page 46: ...CO 505 dissolved oxygen meter v1 50 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 b...

Page 47: ...may be entered from every measuring function by pressing and holding the button until on the display the number of the last stored result will be displayed This number is displayed on turns with the...

Page 48: ...nterval is 1 second and the longest 60 minutes Holding the button increases change rate repetition In case of choosing the parameter to the position is not displayed c the way of displaying the stored...

Page 49: ...the button instead of a number an sign is displayed it informs that the maximal number of results to store has been reached 14 3 Storing the measuring series It is necessary to choose the way of coll...

Page 50: ...ns that after holding them the numbers are changing with increasing speed rate till they stop at the highest or the lowest number The reviewing mode is left by pressing any function button 14 5 Deleti...

Page 51: ...llect series is used for collecting results of a current measurement After choosing this option a window with the result of a current measurement displays Only the elements which are marked in the fie...

Page 52: ...ion range 800 1100 hPa Probe calibration Two point 0 and 100 O2 One point in 100 O2 Oxygen probe membrane galvanic ATMOSPHERIC PRESSURE MEASUREMENT Range Resolution Accuracy 1 digit 800 1100 hPa 1 hPa...

Page 53: ...SIONS 200 x 180 x 50 mm WEIGHT 620g 17 EQUIPMENT The standard equipment for the meter is 1 COG 1 dissolved oxygen sensor 2 Pt 1000B temperature probe standard 3 12V 100mA stabilised power adapter 4 So...

Page 54: ...48 User s manual for CO 505 dissolved oxygen meter v1 50...

Page 55: ...n t cover the damages caused by usage not in conformity with the user s manual using wrong power adapter mechanical damages and damages caused by repairs made by unauthorised persons NOTICE Before sen...

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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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