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LaMotte Tracer DO PockeTester, Руководство пользователя

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LaMotte Tracer DO PockeTester Скачать руководство пользователя страница 14

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Function /

Resulting 

Action

Power 

Status

Mode 

Setting

Required Button 

Press Sequence

Comments

Change 

Measurement 

Mode

On

Any

Press and hold 

MODE

 button for 

at least two seconds. 

Modes will scroll 

until button is 

released.

Enter Salinity 

Compensation

On

Any

Press and release 

the 

CAL

 button 

twice quickly in 

succession.

‘SAL’ is 

displayed.

Changing 

Salinity 

Compensation

On

SAL

Momentary press 

of 

MODE

 button.

Each button 

press increases 

the ratio by 1 

ppt (part per 

thousand). The 

value cycles 

from 0 to 50 

ppt.

Exit Salinity 

Compensation

On

SAL

Press and release 

CAL

 button for 

2 seconds to 

enter Altitude 

Compensation. Or 

press and release 

CAL

 button one 

more time to enter 

measurement mode.

It is necessary 

to press 

CAL

 

button to save 

changes. If the 

unit times out, 

no changes are 

saved.

Enter Altitude 

Compensation

On

Any 

or SAL

Press 

CAL

 button 

twice quickly. Unit 

enters Salinity 

Mode. Press 

CAL

 

button for 2 seconds 

to enter Altitude 

Compensation 

Mode.

‘Ald” is 

displayed. 

Unit times out 

in 5 seconds 

if no button 

is pressed, 

reverts to 

previous 

mode.

Содержание Tracer DO PockeTester

Страница 1: ...Water Testing Leader Since 1919 Tracer DO PockeTesterTM Code 1761 FILL Before first use POLARIZE Weekly CALIBRATE Daily See Pages 9 12 ...

Страница 2: ...WARNING This set contains chemicals that may be harmful if misued Read cautions on individual containers carefully Not to be used by children except under adult supervision ...

Страница 3: ... 7 Changing Measurement Units 7 Auto Power Off Feature 8 Disabling Auto Power Off Feature 8 Low Battery Indicator 8 Storing Readings 8 Recalling Stored Readings 8 Clearing Stored Readings 8 Set Up Membrane Cap Assembly Filling and Replacement 9 Polarization 10 Calibration 10 Optional Zero Oxygen Calibration 11 Dissolved Oxygen Measurement 12 Operational Matrix 13 Troubleshooting 16 Maintenance Bat...

Страница 4: ... Salinity Compensation 0 to 50 ppt in 1 ppt part per thousand increments Altitude compensation 6000 m 0 to 20 000 ft in 300m 1000 ft increments Measurement Storage 25 tagged numbered data sets with recall Battery Power Four 4 CR2032 button batteries Low Battery Indication BAT appears on the LCD Auto Power Off After 10 minutes of inactivity APO override available Dimensions Weight 36 x 173 x 41mm 1...

Страница 5: ...probe guard and weight Code 1764 METER DESCRIPTION Front Panel Description 1 Battery compartment cover 2 LCD Display 3 MODE button 4 CAL button 5 ON OFF button 6 Electrode Retaining Collar 7 Dissolved Oxygen Sensor 8 Bonded membrane cap assembly 9 Membrane cathode Note The Electrode storage cap is not shown Display 1 Bar graph display 2 Measurement units 3 Main display 4 Low Battery indicator 5 Te...

Страница 6: ...urrent to the electrode for a period of seven days This will keep the electrode polarized and enables the user to make immediate measurements within a 7 day period without waiting for the electrode to re polarize Each time the Tracer is turned on the polarization timer is reset and the 7 day polarization period is initiated A small asterisk at the bottom right corner of the display will indicate t...

Страница 7: ...value is sea level Each press of MODE increases the altitude compensation by 1000ft The maximum value is 20 presses 20 000ft above sea level 4 Momentarily press CAL to save the compensation setting and return to the normal measurement mode Changing the Measurement Units The meter can be set to measure saturation dissolved oxygen in mg l and dissolved oxygen in parts per million ppm To change the m...

Страница 8: ...g The meter will enter the HOLD mode and HOLD will appear on the display 2 Press MODE again to exit the HOLD mode and return to normal operation The next time MODE is momentarily pressed another reading will be stored and so on 3 If more than 25 readings are stored previously stored readings starting with reading number 1 will be overwritten Recalling Stored Readings 1 Momentarily press the CAL an...

Страница 9: ...from the electrode by f rmly unscrewing it in a counter clockwise direction 3 Discard the used membrane cap assembly NOTE When a membrane cap is installed the membrane must tightly stretch over the cathode If a membrane cap is removed it can not be reinstalled because the membrane will no longer stretch properly over the cathode 4 Rinse the cathode and anode with deionized water 5 Set the membrane...

Страница 10: ... air pockets are visible when the meter is inverted Membrane cap assemblies can not be reused NOTE Air bubbles outside the cathode 6 mm in diameter in the center of the probe will not interfere 9 Rinse excess electrolyte from the outside of the membrane cap assembly and the electrode Polarization If the meter has not been used for seven 7 days or longer the electrode will not be fully polarized A ...

Страница 11: ...or very low or very high dissolved oxygen samples 1 Place the electrode in a zero dissolved oxygen calibration solution such as 5 sodium sulf te 2 Slowly stir the sample with the electrode and wait for the reading to stabilize This may take a while depending on the electrode history 3 Press CAL until CAL is shown on the display The readings will blink 101 7 and SA will appear SA will not appear if...

Страница 12: ...ir bubbles that may be trapped on the membrane surface and to obtain accurate results Do not submerse the electrode above the bottom edge of the electrode collar For maximum accuracy allow suff cient time for the temperature of the probe to reach the temperature of the sample before taking a reading The larger the difference in temperature between the electrode and the sample the longer it will ta...

Страница 13: ...ro current Store Reading On Any Momentary press of MODE button Stores and holds reading HOLD displayed Hold Release On While In Hold Mode Momentary press of the MODE button Enter Memory Retrieval On Any Momentary press of CAL button followed by a momentary press of the MODE button within 4 seconds If no data is stored in memory End is displayed brief y and then returns to last mode Scroll Stored R...

Страница 14: ...ess increases the ratio by 1 ppt part per thousand The value cycles from 0 to 50 ppt Exit Salinity Compensation On SAL Press and release CAL button for 2 seconds to enter Altitude Compensation Or press and release CAL button one more time to enter measurement mode It is necessary to press CAL button to save changes If the unit times out no changes are saved Enter Altitude Compensation On Any or SA...

Страница 15: ... exit and save changes It is necessary to press the CAL button to save changes If the unit times out no changes are saved Change Temperature Units Off OFF mode Press and hold the CAL button then momentarily press the ON OFF button Release the CAL button after SELF CAL appears Override Auto Power Off On Any Press CAL button momentarily then simultaneously press and hold MODE and ON OFF buttons for ...

Страница 16: ... cient electrolyte in probe Air bubbles visible when probe inverted Electrolyte is depleted Replace electrolyte and membrane cap assembly Readings drift down Insuff cient stirring Stir sample with meter or move probe in sample Slow response Dirty or damaged membrane Replace electrolyte and membrane cap Electrode can not be calibrated Depleted electrolyte Dirty or damaged membrane Replace electroly...

Страница 17: ...Never dispose of batteries in a f re batteries may explode or leak Never mix battery types install new batteries of the same type Electrode Replacement 1 Turn the meter OFF Turn the electrode retaining collar clock wise and remove it 2 Gently rock the electrode from side to side pulling it away from the meter until it disconnects 3 Align the positioning keys of the replacement electrode and the ma...

Страница 18: ...ions Contaminant Cleaning Solution Procedure Salt build up Deionized water Soak in 20 or weaker Acetic Acid solution for 1 minute Rinse thoroughly with DI water Oil Warm water and household detergent Clean with mild detergent solution Rinse thoroughly with DI water NOTE Do not contact the membrane with the cleaning solution Install a new membrane after cleaning the electrode ...

Страница 19: ...re the f rst use Calibrate daily Polarize weekly Dissolved Oxygen Measurement Procedure 1 Press ON OFF button to turn meter ON 2 Place TRACER in sample Stir 3 Wait for reading to stabilize 4 Record result 5 Press ON OFF to turn meter off 6 Rinse electrode 7 Replace electrode cap 99 Washington Street Melrose MA 02176 TestEquipmentDepot com 800 517 8431 ...

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