LaMotte Tracer 1749, Manual

Page 1: ...TRACER Conductivity TDS Salinity Temperature Meter EC TDS SAL CODE 1749 POCKETESTER TM NEW Direct Reading TDS and Salt ...

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

Page 3: ... Conversion Ratio 7 To Change the TDS Conversion Ration 7 Changing the Displayed Tempreature Units 8 Data Hold 8 Auto Power Off 8 Low Battery Indicator 8 Testing Getting Started 9 Changing the Measurement Function 9 Measurement 10 Measuring the TDS of Soil 10 11 Storing Readings 11 Recalling Stored Readings 11 Calibration 12 Operational Matrix 14 15 Maintenance Storage 16 Battery Replacement 16 El...

Page 4: ...nge 0 to 9 990 ppm Salt fixed ratio of 0 5 TDS Ratio 0 4 to 1 0 adjustable Salinity Ratio 0 5 fixed Conductivity ATC 2 0 per C Temperature Range 32 0 to 149 0 F 0 0 to 65 0 C Temperature Resolution 0 1 up to 99 9 1 100 Temperature Accuracy 1 8 F 1 C from 32 to 122 F 0 to 50 C 5 4 F 3 C from 122 to 194 F 50 to 90 C Conductivity ATC Range 32 0 F to 140 F 0 0 C to 60 0 C Accuracy Conductivity 2 FS TD...

Page 5: ...ample Cup w cap Not sold individually See below PARTS ACCESSORIES EC TDS SAL Replacement Electrode Code 1765 Weighted Stand w Sample Cups 5 Code 1746 Sample Cups w caps 24 Code 1745 Conductivity Standard 84 µS Code 6312 G Conductivity Standard 1413 µS Code 6354 G Conductivity Standard 12 880 µS Code 6317 G 5 ...

Page 6: ...units recall data 5 ON OFF button 6 Electrode Collar 7 Electrode Note The Electrode cap is not shown TRACER Display 1 Bar graph reading 2 Measurement reading 3 BAT low battery indicator 4 Temperature display 5 Measurement units 6 Calibration range indicators 7 HOLD indicator 6 1 2 3 4 5 6 7 10 20 12 t m pp mg L m u S 0 0 2 5 10 7 C F HOLD RENEW pH M H L 8 8 8 8 8 8 8 BAT 2 4 1 6 3 7 5 ...

Page 7: ...by a known conversion ratio factor The meter allows the selection of a conversion ratio factor in the range of 0 4 to 1 0 The selected ratio will vary with application but is typically set between 0 5 and 0 7 In the salinity mode the ratio is fixed at 0 5 The stored ratio factor will briefly appear in the lower temperature display when the meter is first turned on or when changing the measurement ...

Page 8: ...10 minutes after the last button was pressed To disable the auto off feature 1 Press the ON OFF button to turn the meter on 2 Wait for the SELF display screen to appear This is the second screen to appear after turning on the meter IMPORTANT Review the instructions for the next 3 steps before proceeding Step 3 must be followed immediately by Step 4 3 Press CAL RECALL button once 4 Press MODE HOLD ...

Page 9: ... low conductivity value standards to high conductivity value standards Changing the Measurement Function The meter can be set to measure Conductivity TDS ppm TDS mg L or Salinity To change the mode 1 Turn the TRACER on 2 Press and hold the MODE HOLD button for 2 seconds The display will begin to scroll through the units µS or mS Conductivity ppm TDS ppm Salinity S 3 Release the MODE HOLD key when ...

Page 10: ... the proper range and the reading will be displayed 7 Rinse the electrode in distilled water Replace the cap Measuring the TDS of Soil 1 Fill a 50 mL beaker with the soil sample Tap the beaker lightly on a hard surface to remove trapped air Remove excess soil from the surface 2 Empty the soil into a 250 mL wide mouth flask 3 Add 100 mL of distilled water Stopper and shake vigorously 4 Wait 30 minu...

Page 11: ...n to exit the HOLD mode and return to normal operation 3 If an attempt is made to store more than 25 readings the stored readings will be overwritten starting with the first reading Recalling Stored Readings NOTE First ensure that the HOLD symbol is not displayed If it is exit the HOLD function by pressing the MODE HOLD button 1 Press the CAL RECALL button and then press the MODE HOLD button the l...

Page 12: ...ed measurement value For salinity samples within the range of 1 000 to 9 999 ppm salinity calibrate with a 12 880 µS calibration standard 1 Fill a sample cup to 20 mL line with a conductivity standard NOTE The meter allows for a 1 2 or 3 point calibration If calibration is done for more than one point the lowest concentration should be done first to obtain the best accuracy Calibrate the ranges fr...

Page 13: ...on data for the currently selected range will be replaced The calibrations for the other two ranges will be saved even though the indicators for those ranges are no longer displayed Calibration of all three ranges must be performed during one power on period for all three calibration range indicators to be displayed 13 ...

Page 14: ...ry Retrieval On Any Momentary press of CAL RECALL button followed by a momentary press of MODE HOLD button within 4 seconds Scroll Stored Readings On Memory Recall Momentary press of MODE HOLD button Displays last in first out Exit Memory Retrieval On Memory Recall Momentary press of MODE RECALL button Clear Stored Memory On Any Measure Mode Press and hold the ON OFF button for 4 seconds until clr...

Page 15: ...from 0 4 to 1 0 Exit CON TDS Ratio On TDS ppm or mg L Momentary press of CAL RECALL button Change Temperature Units On n a Press and hold CAL RECALL button then momentarily press ON OFF button Release CAL RECALL button after Self Cal is displayed Override Auto Power Off On Any Momentarily press CAL RECALL button then simultaneously press and hold CAL RECALL and MODE HOLD buttons for 2 seconds unti...

Page 16: ... 1 Always rinse the electrode in distilled or deionized water between measurements to avoid cross contamination of the samples Double rinsing is recommended when high accuracy is required 2 Do not touch the electrodes Touching the surface of the platinized electrodes may damage and reduce the life of the electrodes Replacing the electrode 1 Unscrew and remove the electrode collar Turn collar count...

Page 17: ...ing Solution Procedure Water soluble substances Deionized water Soak or scrub with a soft brush Rinse thoroughly with DI water and dry Grease and oil Warm water and household detergant Soak or scrub with a soft brush maximun 10 minutes Rinse thoroughly with DI water and dry Heavy grease Alcohol Soak for a maximum of 5 minutes Scrub with a soft brush Rinse thoroughly with DI water and dry Lime and ...

Page 18: ...air bubbles Dirty probe Clean conductivity probe Damaged probe Replace probe Contaminated conductivity standards Use fresh standards Meter will not turn on Batteries low or dead Replace batteries Battery polarity Replace batteries with correct polarity Unit will not respond to any key presses Internal fault Perform hard reboot Remove batteries hold ON OFF button down for 5 seconds replace batterie...

Page 19: ...esponsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification LaMotte Company specifically disclaims any implied warranties or merchantability or fitness for a sp...

Page 20: ...TTE COMPANY Helping People Solve Analytical Challenges PO Box 329 Chestertown Maryland 21620 USA 800 344 3100 410 778 3100 Outside U S A Fax 410 778 6394 Visit us on the web at www lamotte com 1749 MN 03 10 ...