LaMotte Tracer PockeTester User manual

Pool Professional's Meter!

TracerTM Salt/EC/TDS

PockeTester

Code 1749

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TRACERTM

SAL/EC/TDS POCKETESTER • CODE 1749

Introduction .....................................................................................4

Speciﬁcations..................................................................................4

Contents ..........................................................................................5

Parts & Accessories........................................................................5

Meter Description

Front Panel Description ............................................................... 6

TRACER Display .......................................................................... 6

Basic Operation

Powering the TRACER................................................................ 7

Automatic Calibration ................................................................. 7

TDS Compensation Ratio ........................................................... 7

To Change the TDS Conversion Ratio ....................................... 7

Changing Temperature 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

Storing Readings ........................................................................ 11

Recalling Stored Readings......................................................... 11

Clearing the Memory .................................................................. 12

Calibration ......................................................................................12

Operational Matrix..........................................................................14

Maintenance

Storage........................................................................................ 16

Battery Replacement .................................................................. 16

Electrode Care ............................................................................ 16

Replacing the Electrode ........................................................... 16

Electrode Cleaning Recommendations ..................................... 17

Troubleshooting .............................................................................18

Warranty..........................................................................................19

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INTRODUCTION

Congratulations on your purchase of the SAL/EC/TDS (Conductivity/Total

Dissolved Solids/Salinity) TRACER PockeTester. The TRACER

offers

direct reading

of salinity, conductivity, and TDS with one electrode. Careful use

and maintenance

will provide years of reliable service.

SPECIFICATIONS

Display 2000 count LCD with Bar Graph

Conductivity Range 0 to 199.9 μS

200 to 1999 μS

2.00 to 19.99 mS

TDS Range 0 to 9,990 ppm (variable ratio)

Salinity Range 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

TDS: ± 2% FS

Salinity: ± 2% FS

Measurement Storage 25 numbered readings

Low Battery Indication ‘BAT’ appears on the display

Power Four CR 2032 Lithium Ion batteries

Auto Power Off After 10 minutes of no button presses

Operating Conditions 23 to 122° F, –5 to 50° C

Dimensions 1.6 X 7.4 X 1.6 inches, 40 X 187 X 40 mm

Weight 3.1 oz, 87 g

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CONTENTS

SAL/EC/TDS TRACER PockeTester Kit Code 1749

Includes:

Salinity Standard, 3,000 ppm Code 6005-G

Sample Cup w/cap †

† Not sold individually. See below.

PARTS & ACCESSORIES

SAL/EC/TDS Replacement Electrode Code 1765

Weighted Stand w/Sample Cups (5) Code 1746

Sample Cups w/caps (24) Code 1745

Conductivity Standard, 84 μS, 30 mL Code 6312-G

Conductivity Standard, 1413 μS, 30 mL Code 6354-G

Salinity Standard, 3,000 ppm, 30 mL Code 6005-G

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METER DESCRIPTION

Front Panel Description

1. Battery compartment cap

2. LCD Display

3. MODE button - change

mode, hold data, store data

4. CAL button - calibration,

change temperature units, recall data

5. ON/OFF button

6. Electrode Collar

7. Electrode

(Note: The Electrode cap is not shown)

TRACER Display

1. Bar graph display

2. Main display

3. Temperature display

4. Measurement units

5. Range calibration and

low battery indicators

6. Reading hold indicator

HML

BAT

mg/L

μS

8.8.8.8

°C

°F

8.8.8

HOLD

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BASIC OPERATION

Powering the TRACER

The Tracer uses four CR2032 Lithium Ion batteries. If the batteries are weak,

the BAT indicator will appear on the display. Press the ON/OFF key to turn

the TRACER on or off. The auto power off feature will shut the TRACER off

automatically after ten minutes of inactivity.

Automatic Calibration

When the TRACER is turned on, it will enter the Automatic Calibration

mode. SELF and CAL will appear while the calibration is in progress. After the

calibration is completed, the SELF and CAL display icons will extinguish.

TDS Compensation Ratio

The TDS value is determined by multiplying the conductivity measurement

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 function to TDS.

To Change the TDS Conversion Ratio:

1. Turn the TRACER on.

2. Press and release the CAL button twice.

The stored ratio will appear in the display.

3. Press the MODE button to change the ratio

value in steps of 0.1.

4. When the desired ratio is displayed, press and release

the CAL button to store the value and return

to the normal mode.

5. If no buttons are pressed for 5 seconds, the meter

will return to the measurement mode.

0.7

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Changing Temperature Units

To change the displayed temperature units between °F or °C:

1. With the TRACER off, press and hold the CAL button.

2. With the CAL button pressed, momentarily press the ON/OFF button.

When SELF CAL appears in the display, release the CAL button. The

TRACER will return to the operational mode with the temperature dis-

played in the new units.

Data Hold

Press the MODE button to freeze the current reading. The HOLD icon will

appear, the reading will be stored. Press the MODE key to return to normal

operation.

Auto Power Off

The auto-power off feature will automatically shut the meter off 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 immedi-

ately by Step 4.

3. Press CAL button once quickly.

4. Press MODE and ON/OFF buttons simultaneously for approximately two

seconds. Quickly release buttons.

5. oFF will be displayed on the screen. Watch carefully. It will disappear

quickly.

6. The auto power off feature will be restored automatically when the meter

is turned off. Auto-off is the default function when the meter is turned on.

Low Battery Indicator

The “BAT” indicator will be displayed when the batteries become weak. Refer

to the maintenance section for battery replacement information

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TESTING

Getting Started

1. Remove the cap from the bottom of the TRACER to expose the electrode.

2. Before the ﬁrst use, rinse the electrode in deionized water and dry.

3. For best results, calibrate for conductivity with a standard in the expected

range of the sample. For maximum accuracy calibrate from low conductivity

value standards to high conductivity value standards.

4. Store dry.

Changing the Measurement Function

The meter can be set to measure Conductivity, TDS (ppm), TDS (mg/L) or

Salinity (ppm). To change the mode:

1. Turn the TRACER on.

2. Press and hold the MODE 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 key when the desired mode is displayed.

4. Note that the “HOLD” function can not be on when changing functions.

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Measurement

1. Fill a sample cup to the 20 mL line with the test sample. Sample depth

must be greater than or equal to 1.5 inches.

2. Immerse the TRACER electrode in the sample. Make sure the electrode is

completely submersed.

3. Press the ON/OFF button. (8888 and then SELF CAL

will appear in the display during the initial diagnos-

tics).

4. Press and hold the MODE button to scroll to the

desired measurement mode.

5. Insert the electrode into the sample making

sure

that the electrodes are completely submerged.

6. Slowly stir the sample with the TRACER to

remove air bubbles.

7. The meter will autorange to the proper range and the

reading will be displayed.

8. 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 minute. (Shake the ﬂask

vigorously three or four times

during this period.)

SAL/EC/TDS

OFF

MODE

CAL

100.9

72.3 ∞F

4.01

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5. Filter the contents of the ﬂask. Collect the ﬁltrate in a beaker.

6. Rinse the electrode with distilled or deionized water to remove impurities.

7. Press the ON/OFF button to turn the TRACER on. Make sure the meter is

in the TDS mode.

8. Immerse the electrode in the ﬁltrate. Make sure the tip of the electrode is

completely immersed.

9. Stir the ﬁltrate with the electrode to create a homogeneous solution.

10. Gently stir the ﬁltrate with the electrode. Read the TDS value of the

ﬁltrate from the display.

11. Rinse the electrode in distilled water. Replace the cap.

Storing Readings

1. After the reading is displayed press and hold the

MODE button to store the current reading. The

meter will enter the HOLD mode and HOLD will

be displayed. The storage location number will

be displayed on the lower display followed by the

reading being stored.

2. Press the MODE button 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 button.

1. Press the CAL button and then press the MODE button; the location

number (1 through 25) will brieﬂy appear and then the value

stored in

that location will appear. The displayed units will ﬂash, indicating

that

the storage recall mode is active.

1423

72.3 ∫F

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