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44

  MW170 Bench 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.

Check the sleeve. 

Tap the probe to remove air bubbles.

Display shows EC, TDS or 

NaCl reading blinking

Reading is out of range

Recalibrate the probe.

Sample is outside accepted 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 MW170 MAX

Страница 1: ...INSTRUCTION MANUAL SATISFACTION GUARANTEED MW170 MAX EC TDS NaCl Temperature Bench Meter...

Страница 2: ...part is prohibited without the written consentofthecopyrightowner MilwaukeeInstrumentsInc RockyMount NC27804USA THANK YOU for choosing Milwaukee Instruments This instruction manual will provide you th...

Страница 3: ...6 3 ELECTRODE CARE MAINTENANCE 12 7 SETUP 14 7 1 SETUP OPTIONS 14 8 EC TDS 23 8 1 PREPARATION 23 8 2 CALIBRATION 23 8 3 MEASUREMENT 25 8 4 WARNINGS MESSAGES 27 9 SALINITY 29 9 1 PREPARATION 29 9 2 CAL...

Страница 4: ...ter is delivered in a cardboard box and is supplied with y MA814DB 1 4 ring EC TDS NaCl Temperature probe with DIN connector and 1 meter 3 2 feet cable y MA9315 Electrode holder y 12 VDC adapter y USB...

Страница 5: ...g battery life y All measurements can be temperature compensated automatically ATC or manually MTC with a user selectable compensation coefficient Temperature compensation can be disabled NO TC if the...

Страница 6: ...to 400 0 NaCl 2 00 to 42 00 PSU 0 00 to 80 00 g L Temperature 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 S...

Страница 7: ...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 USB port Power...

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

Страница 9: ...FUNCTIONAL DISPLAY DESCRIPTION 9 Rear Panel 1 2 4 3 1 Micro USB port 2 USB type A port 3 Power supply socket 4 DIN probe connector...

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

Страница 11: ...ROBE 11 5 MA814DB 1 PROBE 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 rings 4 Pr...

Страница 12: ...4DB 1 is connected to the meter through a DIN connector y With the meter off connect the probe to the DIN socket on the top of the meter y Align the pins and key then push the plug into the socket y M...

Страница 13: ...ge y Inspect the cable Cable and insulation must be intact y Connectors should be clean and dry y Follow storage recommendation Cleaning Procedure If a more thorough cleaning is required remove the sl...

Страница 14: ...n 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 Edi...

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: ...90 default With the probe connected use keys to change the value EC Temperature Reference T Ref Options 25 C default and 20 C With the probe connected use keys to change the value TDS Factor Options 0...

Страница 17: ...mS cm 200 0 mS cm Note Absolute conductivity up to 500 0 mS cm is the conductivity value without temperature compensation With the probe connected use keys to change the value When autoranging the me...

Страница 18: ...n autoranging the meter automatically chooses the optimum TDS range to maintain the highest possible accuracy Note SelectedTDSrangeisactiveduringmeasurementsonly Ifexceeded thefull scale value is disp...

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

Страница 20: ...le 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 default...

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: ...or 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: ...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 probe for debris or blockages y Always use an EC c...

Страница 24: ...nt standard value press the keys The hourglass symbol and WAIT message blinking are displayed until the reading is stable 5 When the reading is stable and close to the selected calibration standard SO...

Страница 25: ...ing and CLEAR CALIBRATION message is displayed on the third LCD line 3 Press GLP ACCEPT to confirm PLEASE WAIT message is displayed followed by NO CAL confirmation screen 8 3 MEASUREMENT Conductivity...

Страница 26: ...sample Note If the reading is outside range when the range is set to automatic the full scale value 200 0 mS cm for MTC ATC or 500 0 mS cm for NO TC is displayed blinking y Manual MTC The temperature...

Страница 27: ...ed blinking 8 4 WARNINGS MESSAGES Messages Displayed During Calibration y If the reading exceeds expected value WRONG STANDARD message is displayed and calibration can not be confirmed Check that corr...

Страница 28: ...e y NO CAL message indicates that the probe needs to be calibrated or that the previous calibration has been deleted y If the probe is not connected NO PROBE message is displayed on the third LCD line...

Страница 29: ...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 trapped inside the sleeve 3 Press CAL EDIT...

Страница 30: ...ter require a conductivity 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...

Страница 31: ...the reading is outside range the full scale value 400 0 is displayed blinking High percentages were made by evaporation Natural Sea Water The Natural Sea Water scale extends from 0 00 to 80 00 g L It...

Страница 32: ...played and calibration is not confirmed Check if the correct calibration solution has been used and or clean the probe See ELECTRODE CARE MAINTENANCE section y If the temperature is outside the 0 0 to...

Страница 33: ...sage is displayed y If Calibration Expired Warning is on and the set number of days has passed or an EC calibration was performed clearing the NaCl calibration the CAL EXPIRED message is displayed y I...

Страница 34: ...e 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 35: ...ns 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 WAIT then...

Страница 36: ...ion LCD displays LOG STOPPED Meter returns to measurement screen Interval Logging Warnings OUT OF SPEC Sensor failure is detected Loggings stops MAX LOTS Maximum number of lots reached 100 Cannot crea...

Страница 37: ...d by LOG RECALL with ACCEPT tag blinking and the number of stored logs Note Press RANGE to export all saved lots to external storage 2 Press GLP ACCEPT to confirm 3 Use keys to select the lot type MAN...

Страница 38: ...IT or LOG CLEAR PLEASE WAIT with ACCEPT tag blinking is displayed until the lot is deleted After the selected lot has been deleted CLEAR DONE displays briefly Display shows NO MANUAL LOGS or NO STABIL...

Страница 39: ...of logs 2 Press GLP ACCEPT to confirm 3 Use keys to select an interval logging lot number The LOG LOT screen displays selected lot number bottom right and total logs stored in lot bottom left 4 Press...

Страница 40: ...leted CLEAR DONE message displays briefly Display returns to the log recall screen 10 2 3 Exporting Data PC Export 1 With the meter on use the supplied micro USB cable to connect to a PC 2 Press SETUP...

Страница 41: ...of the meter If the flash drive does not have a micro USB connector use an adapter 2 Press RCL then RANGE to select the EXPORT ALL option 3 Press GLP ACCEPT to confirm LCD displays EXPORTING and the p...

Страница 42: ...uring export Overwriting existing data 1 When the LCD displays EXPORT with ACCEPT and lot number blinking USB icon displayed an identical named lot exists on the USB 2 Press GLP ACCEPT to continue LCD...

Страница 43: ...keys to scroll through the 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 EC calib...

Страница 44: ...remove air bubbles Display shows EC TDS or NaCl reading blinking Reading is out of range Recalibrate the probe Sample is outside accepted range Disable autoranging feature Meter fails to calibrate or...

Страница 45: ...n solution 230 ml MA9064 80000 S cm Calibration solution 230 ml MA9065 111 8 mS cm Calibration solution 230 ml MA9066 NaCl 100 Calibration solution 230 ml MA9069 5000 S cm Calibration solution 230 ml...

Страница 46: ...odification introduced by the user to the supplied equipment may compromise the meter s performance For your and the meter s safety do not use or store the meter in hazardous environment To avoid dama...

Страница 47: ...Milwaukee Instruments reserves the right to make improvements in design construction and appearance of its products without advance notice...

Страница 48: ...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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