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INSTRUCTION MANUAL

SATISFACTION

GUARANTEED

MW190

DO / Temperature

Bench Meter

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Summary of Contents for MW190

Page 1: ...INSTRUCTION MANUAL SATISFACTION GUARANTEED MW190 DO Temperature Bench Meter...

Page 2: ...is prohibited without the written consent of the copyright owner Milwaukee Instruments Inc Rocky Mount NC 27804 USA THANK YOU for choosing Milwaukee Instruments This instruction manual will provide yo...

Page 3: ...9 6 OPERATIONAL GUIDE 10 7 SALINITY AND ALTITUDE COMPENSATION 11 8 D O MEASUREMENTS 12 9 TEMPERATURE MEASUREMENTS 12 10 D O CALIBRATION 13 11 LOGGING 16 12 SETUP 20 13 TEMPERATURE CALIBRATION for tec...

Page 4: ...TION DISPLAY B A C D E F G H I A Primary display B Measuring unit for primary display C Calibration messages D Setup log mode E Require user confirmation F Calibration mode G Secondary display H Tempe...

Page 5: ...gle between delete one and all logged data 7 key to select SETUP item or to decrease parameter value 8 RANGE key to select measurement unit switch focused data 9 key to select SETUP item or to increas...

Page 6: ...n readjusts for the altitude variance The Dissolved Oxygen probe has a membrane covering the polarographic sensors and a built in thermistor for temperature measurements and compensation This permeabl...

Page 7: ...nt at 0 and 50 C 32 0 and 122 0 F Altitude Compensation Resolution 0 to 4 000 m 13 120 100 m 328 Salinity Compensation Resolution 0 to 40 g l 1 g l Temperature Compensation Automatic from 0 0 to 50 0...

Page 8: ...ION 7 8 10 9 3 4 1 2 4 5 6 1 D O Probe 2 Protective Cap 3 Watertight Shielded Cable 4 Polypropylene Probe Body 5 Temperature Sensor 6 O Ring Seal 7 Silver Chloride Anode 8 Platinum Cathode sensor 9 Ox...

Page 9: ...ttom 2 cm 1 of the probe in electrolyte MA9071 for 5 minutes 3 Rinse the membrane cap MA841 supplied in the kit with the meter with electrolyte solution while shaking it gently Refill with clean elect...

Page 10: ...ization mode y When this message disappears the probe is polarized and the instrument can be calibrated y If the probe is disconnected the meter will display PROBE POLARIZATION The probe is under pola...

Page 11: ...an accurate calibration it is recommended to wait at least 15 minutes to ensure precise conditioning of the probe Keep the protective cap on during polarization time and remove it for calibration and...

Page 12: ...eted membrane surface is constantly replenished A moving stream will provide adequate circulation The use of a magnetic stirrer to ensure a certain fluid velocity is recommended 9 TEMPERATURE MEASUREM...

Page 13: ...f possible use a plastic beaker to minimize any EMC interferences y Make sure the probe is ready for measurements see PROBE CONNECTION PREPARATION i e the membrane is filled with electrolyte and the p...

Page 14: ...zero calibration data For a two point calibration do not press CAL and follow the procedure below SLOPE CALIBRATION It is suggested to perform the slope calibration in air y Rinse the probe in clean w...

Page 15: ...stores the value and adjusts the slope point y The instrument stores the slope calibration data and returns to measurement mode Notes If the reading is not close to the selected value WRONG BUFFER ta...

Page 16: ...LCD and the record number on the secondary LCD along with LOG tag see example below record No 25 dated June 29 The instrument displays then the amount of free log space for about one second and retur...

Page 17: ...n stored while in measurement mode If no data were logged the instrument displays no rEC message for the selected range Otherwise the instrument will display the DO value on the primary LCD and the te...

Page 18: ...the next logged parameter y The date month and day on the primary LCD and the year on the secondary LCD along with DATE tag y The time hour and minutes on the primary LCD and the seconds on the secon...

Page 19: ...e selected If the SETUP key is pressed the secondary LCD will toggle between the record number and ALL message Press the ACCEPT key to delete the selected or all records If dEL ALL option was selected...

Page 20: ...t 1 second while in normal measurement mode Select the desired setup parameter using the UP and DOWN arrow keys Press the CAL key if you want to change the item value The selected item e g hour in set...

Page 21: ...ange and the factory settings default Item Description Valid values Default SALt Salinity Factor 0 to 40 g l 0 ALt Altitude Factor 0 to 4000 m step100 m 0 TIME Time hh mm 00 00 to 23 59 00 00 DATE Dat...

Page 22: ...21 7 97 60 8 18 9 45 8 90 8 39 7 90 7 66 64 4 20 9 08 8 56 8 07 7 60 7 38 68 0 22 8 73 8 23 7 77 7 33 7 12 71 6 24 8 40 7 93 7 49 7 07 6 87 75 2 25 8 24 7 79 7 36 6 95 6 75 77 0 26 8 09 7 65 7 23 6 8...

Page 23: ...0 5 8 5 6 5 5 68 0 22 8 7 8 4 8 1 7 8 7 5 7 2 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 3 71 6 24 8 4 8 1 7 8 7 5 7 2 7 0 6 7 6 5 6 2 6 0 5 8 5 6 5 4 5 2 5 1 75 2 25 8 3 8 0 7 7 7 4 7 1 6 8 6 6 6 4 6 1 5 9 5...

Page 24: ...erature probe in the vessel with ice and water as near as possible to the reference thermometer Allow a few seconds for the probe to stabilize y Use the UP and DOWN arrow keys to set the reading on th...

Page 25: ...nnector and the other to the serial port of your PC Notes OthercablesthanMA9350mayuseadifferentconfiguration Inthiscase communication between instrument and PC may not be possible Keep only one cable...

Page 26: ...wer checksum ETX where the checksum is the bytes sum of the answer string sent as 2 ASCII characters All the answer messages are with ASCII characters RDO Causes the instrument to send a complete set...

Page 27: ...te solution y Gently tap the sides of the membrane cap with your finger tiptoensurethatnoairbubblesremaintrapped Donottap directly the bottom with your finger as this will damage the membrane y Make s...

Page 28: ...of range Recalibrate the meter Check the sample is within measurable range Meter fails to calibrate or gives faulty readings Broken DO probe Replace the probe At startup the meter displays all LCD tag...

Page 29: ...ml MA9311 115VAC to 12VDC converter MA9310 230VAC to 12VDC converter MA840 2 Spare probe with 2 meters 6 7 cable MA840 10 Spare probe with 10 meters 33 cable MA840 20 Spare probe with 20 meters 67 cab...

Page 30: ...for your specific application and for the environment in which it is used Any modification introduced by the user to the supplied equipment may compromise the meter s performance For your and the met...

Page 31: ...Milwaukee Instruments reserves the right to make improvements in design construction and appearance of its products without advance notice...

Page 32: ...C H 6726 Szeged HUNGARY tel 36 62 428 050 fax 36 62 428 051 www milwaukeeinst com e mail sales milwaukeeinst com Milwaukee Instruments Inc 2950 Business Park Drive Rocky Mount NC 27804 USA tel 1 252 4...

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