LaMotte 1749 User manual

TracerTM Salt/EC/TDS

PockeTester

Code 1749

Pool Professional's Meter!

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TRACER

TM

SAL/EC/TDS POCKETESTER • CODE 1749

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

Specifi cations ..................................................................................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
direct reading
and maintenance

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

will provide years of reliable service.

offers

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(fi xed ratio of 0.5)

TDS Ratio 0.4 to 1.0, adjustable

Salinity Ratio 0.5 fi xed

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,

Conductivity ATC Range 32.0°F to 140°F, (0.0°C to 60.0°C)

Accuracy Conductivity: ± 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

3°C (from 122 to 194°F, 50 to 90°C)

TDS: ± 2% FS
Salinity: ± 2% FS

4

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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

6

1
4

5
6

5

10

pp

7

m

t

mg/L

S

μ

m

0
0
2

8.8.8.8

BAT

HML

8.8.8

HOLD

10
20
12

2

°C
°F

3

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BASIC OPERATION

Powering the TRACER

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

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

the
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

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

mode.
calibration is completed, the

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 fi xed at 0.5. The stored ratio factor will briefl y appear in the lower
temperature display when the meter is fi rst 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.

SELF and CAL display icons will extinguish.

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.

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

3. Press CAL button once quickly.

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

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

When
TRACER will return to the operational mode with the temperature dis­played in the new units.

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.

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 fi rst 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 diagnos­tics).

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

100.9

72.3

MODE

CAL

ON
OFF

SAL/EC/TDS

∞F

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 fl ask.

3. Add 100 mL of distilled water.
Stopper and shake vigorously.

4. Wait 30 minute. (Shake the fl ask
vigorously three or four times
during this period.)

10

4.01

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5. Filter the contents of the fl ask. Collect the fi ltrate 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 fi ltrate. Make sure the tip of the electrode is
completely immersed.

9. Stir the fi ltrate with the electrode to create a homogeneous solution.

10. Gently stir the fi ltrate with the electrode. Read the TDS value of the
fi ltrate 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 fi rst 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 briefl y appear and then the value
that location will appear. The displayed units will fl ash, indicating

stored in

that

the storage recall mode is active.

10

2

20

10

s

2

20

15

1423

L

72.3

∫F

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2. The last stored reading taken will be displayed fi rst. To advance to the
previously stored readings, press the MODE button. The location number
is displayed fi rst, followed by the reading stored in that location.

3. To exit the storage mode, press the CAL button and the TRACER will
return to normal operation after displaying “End”.

Clearing the Stored Memory

Turn the TRACER on. Press and hold the ON/OFF button for 4 second the display
will briefl y display “clr” when the memory is cleared.

CALIBRATION

For the most accurate results, allow suffi cient time for the temperature of the
probe to reach the temperature of the sample before calibrating. This will be
indicated by a stable temperature reading on the display

Meter accuracy verifi cation should be performed on a periodic basis as needed.
If calibration is required, the meter must be in the salinity mode to perform a
calibration for salinity, or in the conductivity mode to perform calibrations for
conductivity, and TDS. The meter can perform a calibration and store the data
for one range in the salinity mode and each of the three ranges – low, medium
and high for the conductivity and TDS modes. The automatic calibration
recognition procedure will recognize salinity standard 3,000 ppm (medium)
and conductivity standards of 84 μS (Low), 1413 μS (Medium) or 12,880 μS
(12.88 μS) (High). (See Page 5). Always calibrate in the range closest to the
expected measurement value. For salinity samples within the range of 1,000 to
9,999 ppm salinity, calibrate with a 3,000 ppm calibration standard.

1. Fill a sample cup to 20 mL line with a calibration standard.
NOTE: The meter allows for a 1, 2, or 3 point calibration for conductivity
and TDS. If calibration is done for more than one point, the lowest
concentration should be done fi rst to obtain the best accuracy. Calibrate
the ranges from low to high

2. Press the ON/OFF button to turn the TRACER on. Insert the electrode
into the standard. Tap or stir the sample with the Tracer to dislodge air
bubbles.

3. Press and hold the CAL button for approximately 2 seconds. “CAL” will
appear and the display will fl ash.

4. The meter will automatically recognize and calibrate to the calibration
standard. The display will briefl y indicate “SA” and “End” and then
return to the measurement mode.
NOTE: “SA” will not appear if the calibration fails.

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5. The calibration range indicator will appear on the display for each range
that is calibrated during a power on cycle.

Low Range, 84 μS/cm

L

Medium Range, 1413 μS/cm or 3,000 ppm SaH

M

High Range, 12.88 mS/cm (12,880 μS/cm)

H

NOTE: Each time the calibration mode is entered all calibration range indicator
will be cleared, but only the calibration data for the currently selected range will
be replaced. In the conductivity/TDS modes, 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.

s

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OPERATIONAL MATRIX

Function/
Resulting Action Power Mode

On/Off On or

Off

Calibration On Con Press & hold CAL

Store Reading On Any Momentary press of

Hold Release On Hold Momentary press of

Enter Memory
Retrieval

Scroll Stored
Readings

Exit Memory
Retrieval

Clear Stored
Memory

Change
Measurement Mode

On Any Momentary press of

On Memory

On Memory

On Any

On Any Press and hold MODE

Any Momentary press of

Recall

Recall

Measure
Mode

Key Press Sequence

ON/OFF button

button for 2 seconds
until CAL is displayed

MODE button

MODE button

CAL button followed by
a momentary press of
MODE button within 4
seconds.

Momentary press of
MODE button Displays
last in fi rst out.

Momentary press of
CAL button

Press and hold the
ON/OFF button for 4
seconds until “clr” is
displayed.

button for 2 seconds.
Modes will scroll by
until button is released

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Function/
Resulting Action Power Mode

Enter CON/TDS
Ratio

Change CON/TDS
Ratio

Exit CON/TDS
Ratio

Change
Temperature Units

Override Auto
Power Off

Default Reset Off n/a Simultaneously

On TDS

(ppm or
mg/L)

On TDS

(ppm or
mg/L)

On TDS

(ppm or
mg/L)

On (off

mode)

On Any Momentarily press

Key Press Sequence

Press and release the
CAL button twice in
quick succession.

Momentary press of
MODE button. Each
press increases ratio by

0.1 from 0.4 to 1.0.

Momentary press of
CAL button.

Press and hold CAL
button then momentarily
press ON/OFF button.
Release CAL button
after“Self Cal” is
displayed.

CAL button then
simultaneously press
and hold CAL and
MODE buttons for 2
seconds until “oFF” is
displayed.

press ON/OFF, CAL
and MODE buttons
momentarily. “dFlt” will
be displayed.

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MAINTENANCE

Storage

1. Rinse the electrode in distilled or deionized water.

2. Store the electrode dry with the cap on.

3. Always rinse the electrode in deionized water between measurements to
avoid cross contamination. Double rinsing is recommended when high
accuracy is required.

Battery Replacement

1. Twist off the battery compartment cap.

2. Hold the battery housing in place with one fi nger. Remove the battery
carrier by pulling on the small tabs.

3. Replace the four CR2032 batteries. Observe polarity.

4. Replace the battery compartment cap.

You, as the end user, are legally bound (EU Battery ordinance)
to return all used batteries, disposal in the household garbage is
prohibited! You can hand over your used batteries / accumulators

at collection points in your community or wherever batteries /

accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the
device at the end of its lifecycle.

Electrode Care

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.

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Replacing the electrode

1. Unscrew and remove the electrode collar. Turn collar counter-clockwise.

2. Gently rock the electrode side to side, while pulling it away from the
meter, until it disconnects from the electrode socket.

3. To attach an electrode, align the slots and carefully plug the electrode into
the meter socket. CAUTION: Take care to align pins carefully. Bent or
broken pins will cause the meter to malfunction.

4. Firmly tighten the electrode collar to create a seal with the rubber gasket
between the electrode and the meter.

Electrode Cleaning Recommendations

Do not soak the electrode in the solutions for longer than the recommended
length of time. To do so may cause a reference potential shift which will cause
a degradation in performance or failure. When cleaning the probe, do not
scratch or damage the platinized electrode surfaces.

Contaminant Cleaning Solution Procedure

Water soluble
substances

Grease and oil Warm water and

Heavy grease Alcohol Soak for a maximum of 5

Lime and
hydroxide
coatings and oil

Deionized water Soak or scrub with a soft

brush. Rinse thoroughly with
DI water and dry.

Soak or scrub with a soft

household detergant

10% Acetic acid Soak until coating dissolves,

brush, maximun 10 minutes.
Rinse thoroughly with DI
water and dry.

minutes. Scrub with a soft
brush. Rinse thoroughly with
DI water and dry.

maximum 5 minutes. Rinse
thoroughly with DI water and
dry.

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TROUBLESHOOTING

Problem Check Action

Reading is frozen HOLD mode Press MODE button to exit

HOLD mode

“BAT” message Batteries low Replace batteries

Meter will not
calibrate

Meter will not turn
on

Unit will not respond
to any key presses

“_oL_” message Sample is out

Trapped air
bubbles

Dirty probe Clean probe

Damaged
probe

Contaminated
standards

Batteries low
or dead

Battery
polarity

Internal fault Perform hard reboot. Remove

of range

Tap probe or stir sample to
release air bubbles

Replace probe

Use fresh standards

Replace batteries

Replace batteries with correct
polarity

batteries, hold ON/OFF
button down for 5 seconds,
replace batteries

Dilute sample

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WARRANTY

LaMotte Company warrants this instrument to be free of defects in parts and
workmanship for 1 year from the date of shipment and the probe to be free of
defects in parts and workmanship for 6 months from the date of shipment. If it
should become necessary to return the instrument for service during or beyond
the warranty period, contact our T

for troubleshooting help. The sender is responsible 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 specifi cation, improper maintenance or repair, or
unauthorized modifi cation. LaMotte Company specifi cally disclaims any implied
warranties or merchantability or fi tness for a specifi c purpose and will not be
liable for any direct, indirect, incidental or consequential damages. LaMotte
Company’s total liability is limited to repair or replacement of the product. The
warranty set forth above is inclusive and no other warranty, whether written or
oral, is expressed or implied.

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