LaMotte Tracer 1749 User manual
Pool Professional's Meter!
Instrument de Mesure Professionnel pour Piscine!
TracerTM
Salt/EC/TDS PockeTester
Salinité/EC/TDS
Code 1749
WARNING! This set contains chemicals
that may be harmful if misused. Read
cautions on individual containers care-
fully. Not to be used by children except
under adult supervision.
3
INTRODUCTION
Congratulations on your purchase of the 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 Ranges 0 to 199.9 µS
200 to 1999 µS
2.00 to 19.99 mS
TDS Ranges
(Variable Ratio)
0 to 99.9 ppm or mg/L
100 to 999 ppm or mg/L
1.00 to 9.99 ppt or g/L
Salinity Ranges 0 to 99.9 ppm
100 to 999 ppm
1.0 to 9.99 ppt
TDS Ratio 0.4 to 1.0, adjustable
Salinity Ratio 0.4 to 0.6 automatic
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
4
CONTENTS
SAL/EC/TDS TRACER PockeTester Kit Code 1749
Includes: Salinity Standard, 3,000 ppm
Sample Cup w/cap †
Code 6005-G
† 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
*WARNING: Reagents marked with an * are considered to be potential health hazards. To
view or print a Safety Data Sheet (SDS) for these reagents go to www.lamotte.com.
Search for the four digit reagent code number listed on the reagent label, in the contents
list or in the test procedures. Omit any letter that follows or precedes the four digit code
number.
For example, if the code is 4450WT-H, search 4450. To obtain a printed copy, contact
LaMotte by email, phone or fax.
Emergency information for all LaMotte reagents is available from Chem-Tel: (US, 1-800-
255-3924) (International, call collect, 813-248-0585).
5
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
4
3
1
5
6
2
HML
0
0
2
10
20
12
5
10
7
BAT
mg/L
m
µS
t
m
pp
8.8.8.8
°C
°F
8.8.8
HOLD
6
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.
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.
NOTE: In the salinity mode the ratio is 0.4 to 0.6 automatic.
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
7
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
displayed 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 immediately 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
8
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 (Conductivity) | ppm (TDS) | mg/l (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.
9
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
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.
790
790
100.9
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
ON
OFF
MODE
CAL
100.9
72.3 ∞F
4.01
10
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.
L
1423
72.3 ∫F
20
2
2
10
20
15
s
10
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