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46  MW306 Portable Meter

12. TROUBLESHOOTING

Symptom

Problem

Solution

Slow response / 

Excessive drift

Dirty probe

Remove and clean the 

sleeve. Make sure the 

probe rings are clean.

Reading fluctuates 

up and down (noise)

Probe sleeve placed 

incorrectly.  

Air bubbles inside 

sleeve.

Correctly place the 

sleeve.  

Tap the probe to remove 

air bubbles.

Display shows EC, 

TDS or NaCl reading 

blinking

Reading  

is out of range

Recalibrate the meter.

Sample not within 

measurable range.

Disable autoranging 

feature.

Meter fails to 

calibrate or gives 

faulty readings

Broken probe

Replace the probe.

LCD tags displayed 

continuously at 

startup 

ON/OFF key is 

blocked

Check the keyboard. If 

error persists, contact 

Milwaukee Technical 

Service.

“Internal Er X” 

message

Internal error

Restart the meter.  

If error persists, contact 

Milwaukee Technical 

Service.

Содержание MW306 MAX

Страница 1: ...INSTRUCTION MANUAL SATISFACTION GUARANTEED MW306 MAX EC TDS NaCl Temperature Portable Meter...

Страница 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...

Страница 3: ...ODE CARE MAINTENANCE 13 7 SETUP 14 7 1 SETUP OPTIONS 14 8 EC TDS 23 8 1 PREPARATION 23 8 2 CALIBRATION 23 8 3 MEASUREMENT 26 8 4 WARNINGS MESSAGES 28 9 SALINITY 30 9 1 PREPARATION 30 9 2 CALIBRATION 3...

Страница 4: ...meter is delivered in a rugged carrying case and is supplied with y MA815D 1 4 ring EC TDS NaCl Temperature probe with DIN connector and 1 meter 3 2 feet cable y 1 5V alkaline AA battery 3 pcs y Micro...

Страница 5: ...be temperature compensated automatically ATC or manually MTC with a user selectable compensation coefficient Temperature compensation can be disabled NO TC if the actual conductivity value is require...

Страница 6: ...nity 0 0 to 400 0 NaCl 2 00 to 42 00 PSU 0 00 to 80 00 g L Temp 20 0 to 120 0 C 4 0 to 248 0 F Resolution EC 0 01 S cm 0 1 S cm 1 S cm 0 01 mS cm 0 1 mS cm TDS 0 01 ppm 0 1 ppm 1 ppm 0 01 g L 0 1 g L...

Страница 7: ...90 C TDS factor 0 40 to 0 80 Default value 0 50 Logging memory Max 1000 log records stored in up to 100 lots On demand 200 logs On stability 200 logs Interval logging 1000 logs PC connectivity 1 micro...

Страница 8: ...ecall the logged values 4 LOG CLEAR key to log the reading or to clear calibration or logging 5 SETUP key to enter setup mode 6 ON OFF key 7 directional keys menu navigation setting parameters 8 RANGE...

Страница 9: ...FUNCTIONAL DISPLAY DESCRIPTION 9 Top Panel 2 3 1 1 Micro USB port 2 Micro USB port cap 3 DIN probe connector...

Страница 10: ...on status 5 Arrow tags to navigate the menu in either direction 6 Probe symbol 7 Log tag 8 Accept tag 9 Third LCD line message area 10 Measurement units 11 First LCD line measurement readings 12 Date...

Страница 11: ...TION 11 5 MA815D 1 PROBE DESCRIPTION Main features y Direct signal processing for noise free measurements y Accurate and integrated temperature measurement 1 2 3 4 1 O ring 2 Plastic insulator 3 Steel...

Страница 12: ...P OPTIONS Auto Off section At power on the instruments perform an auto diagnostic test and all LCD segments are displayed for a few seconds Use keys to check the battery percentage To replace the batt...

Страница 13: ...accurate and repeatable results See CALIBRATION section for details Best practice y Always use fresh standards The calibration standards are easily contaminated y Do not reuse standards y Do not use e...

Страница 14: ...en options Use keys to modify values value being modified is displayed blinking y Press GLP ACCEPT to confirm and save changes ACCEPT tag is displayed blinking y Press ESC or CAL EDIT again to exit Ed...

Страница 15: ...emperature Compensation Options ATC default MTC or NO TC With the probe connected press RANGE to select options EC Cell Factor Options 0 010 default to 9 999 With the probe connected use keys to chang...

Страница 16: ...T Ref Options 25 C default and 20 C With the probe connected use keys to change the value TDS Factor Options 0 40 to 0 80 0 50 default With the probe connected use keys to change the value EC Tempera...

Страница 17: ...the highest possible accuracy Note Selected EC range is active during measurements only If exceeded the full scale value is displayed blinking Logged data is displayed in S cm in the CSV files TDS Ra...

Страница 18: ...the full scale value is displayed blinking Logged data is displayed in mg L in the CSV files TDS Unit Options ppm mg L default and g L With the probe connected press RANGE to select options Salinity...

Страница 19: ...select Use keys to modify the values Time Options hour minute or second Press RANGE to select Use keys to modify the values Auto Off Options 5 10 default 30 60 minutes or off Use keys to select the t...

Страница 20: ...ble default or disable Use keys to select When pressed each key will emit a short acoustic signal Temperature Unit Options C default or F Use keys to select the unit LCD Contrast Options 1 to 9 defaul...

Страница 21: ...to restore the default values RESET DONE message confirms that the meter performs with default settings Instrument Firmware Version Displays the installed firmware version Meter ID Serial Number Use...

Страница 22: ...for the CSV file Export to PC Log on Meter Options Export to PC and Log on Meter With the micro USB cable connected press SETUP Press CAL EDIT to enter Edit mode Use keys to select Note This option is...

Страница 23: ...ever is replaced y After testing aggressive samples y When high accuracy is required y If NO CAL is displayed on the third LCD line y At least once a week Before performing a calibration y Inspect the...

Страница 24: ...letely submersed Center the probe away from the bottom or beaker walls 2 Lift and lower the probe to refill the center cavity and tap the probe repeatedly to remove any air bubbles that may have been...

Страница 25: ...nsuring that the sleeve holes are covered with solution second beaker 3 Press SETUP and use the keys to select C F cm 1 4 Press CAL EDIT 5 Use the keys to modify C F cm 1 until the display reads the C...

Страница 26: ...on the second LCD line and calibration or range specific information on the third LCD line To toggle between information displayed on the third LCD line use the keys Readings can be temperature compe...

Страница 27: ...ually set using the keys When in MTC mode the C tag is displayed blinking y No Temperature Compensation NO TC The temperature valueisdisplayed butnottakenintoaccount Whenthisoption is selected the NO...

Страница 28: ...ion y If the reading exceeds expected value WRONG STANDARD message is displayed and calibration can not be confirmed Check that correct calibration solution has been used and or clean the probe See PR...

Страница 29: ...CAL message indicates that the probe needs to be calibrated or that the previous calibration has been deleted y Iftheprobeisnotconnected NOPROBE messageisdisplayed Messages Displayed During Interval L...

Страница 30: ...on making sure that the sleeve holes are completely submersed Center the probe away from the bottom or beaker walls Lift and lower the probe to refill the center cavity and tap the probe repeatedly to...

Страница 31: ...nductivity calibration NaCl requires calibration in MA9066 standard PSU Practical Salinity Units The practical salinity S of seawater relates the ratio of electrical conductivity of a standard seawate...

Страница 32: ...o roughly 10 solids If the reading is outside the range the full scale value 400 0 will be displayed blinking Natural Sea Water The Natural Sea Water scale extends from 0 00 to 80 00 g L It determines...

Страница 33: ...ayed and calibration can not be confirmed Check if the correct calibration solution has been used and or clean the probe See PROBE MAINTENANCE section for details y If the temperature is outside the 0...

Страница 34: ...AL messageisdisplayed y If Calibration Expired Warning is on and the number of days set have passed or an EC calibration was performed clearing the NaCl calibration the CAL EXPIRED message is displaye...

Страница 35: ...me LOG CLEAR is pressed y All manual readings are stored in a single lot i e records made on different days share the same lot Log on stability y Readings are logged each time LOG CLEAR is pressed and...

Страница 36: ...n returns to measurement screen Log on Stability 1 From the Setup mode set Log Type to STABILITY and the desired stability criteria 2 From the measurement screen press LOG CLEAR LCD displays PLEASE WA...

Страница 37: ...r bottom right 3 Press RANGE during logging to display the number of available records FREE Press RANGE again to return to return to active logging screen 4 Press LOG CLEAR again or ESC to end current...

Страница 38: ...number from 001 up to 999 Names are allocated incrementally even after some lots have been deleted Once lot name 999 was assigned all lots have to be deleted to reset lot naming to 001 See Deleting Da...

Страница 39: ...tag blinking and the number of stored logs 2 Press GLP ACCEPT to confirm 3 Use keys to select MANUAL or STABILITY lot type 4 With a lot selected press LOG CLEAR to delete entire lot CLEAR is displaye...

Страница 40: ...layed until the log is deleted After the log has been deleted CLEAR DONE message displays briefly Display shows logged data of the next log Note Logs stored within an interval lot can not be deleted i...

Страница 41: ...CL to access the logged data LCD displays PLEASE WAIT followed by LOG RECALL with ACCEPT tag blinking and the number of stored logs 2 Press LOG CLEAR to delete all logs CLEAR ALL is displayed with ACC...

Страница 42: ...icon is no longer displayed y To return to EXPORT TO PC mode follow steps 2 and 3 above Exported data file details y The CSV file comma separated values may be opened with a text editor or spreadsheet...

Страница 43: ...Not confirming exits the export Display returns to lot selection screen USB Export Selected Logged data can be transferred separately by lots 1 Press RCL to access the logged data LCD displays PLEASE...

Страница 44: ...agement Warnings NO MANUAL LOGS No manual records saved Nothing to display NO STABILITY LOGS No stability records saved Nothing to display OVR with lot blinking Identically named lots on USB drive Sel...

Страница 45: ...e calibration data displayed on the third LCD line y Press ESC or GLP ACCEPT to return to measurement mode GLP information is included with every data log 11 1 EC TDS INFORMATION EC calibration data d...

Страница 46: ...be to remove air bubbles Display shows EC TDS or NaCl reading blinking Reading is out of range Recalibrate the meter Sample not within measurable range Disable autoranging feature Meter fails to calib...

Страница 47: ...80 S cm Calibration solution 230 ml MA9061 1413 S cm Calibration solution 230 ml MA9063 84 S cm Calibration solution 230 ml MA9064 80000 S cm Calibration solution 230 ml MA9065 111 8 mS cm Calibration...

Страница 48: ...ote properproductandbatterydisposalpreventspotential negative consequences for human health and the environment For detailed information contact your local household waste disposal service or go to ww...

Страница 49: ...free of charge replacement if the instrument cannot be repaired Damage due to accidents misuse tampering or lack of prescribed maintenance is not covered by warranty If service is required contact you...

Страница 50: ......

Страница 51: ...MilwaukeeInstrumentsreservestherighttomakeimprovementsindesign construction and appearance of its products without advance notice...

Страница 52: ...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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