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1. Press Power ON
Turn Unit ON by pressing power button. Display will read 'On"
Product Features and Information
Memory Function
(#2, Middle Button)
Press memory button to view your last nine
readings.
Error Messages
• If ER appears in place of a numerical value –
the test result is out of range. The parameter
is either too high or too low to be accurately
analyzed. Note the status level, LO or HI to
determine how to treat your water. Re-test
after treatment.
• If ER2 appears on the screen – there is an
error in reading the test strip. Ensure that you
are following the test procedure correctly. Use
only AquaChek TruTest instrumental test strips.
No other test strip can be used.
• If ER3 appears on the screen – no strip is in
place or the test strip is positioned incorrectly.
The correct position is with the test pads face
down in the slot with the top pad all the way to
the top.
• If only LO appears in the TA location on the
TruTest Meter display, the battery voltage has
dropped below the permissible limit. Replace
with new batteries.
Test Strip Use
• The AquaChek TruTest test strips are calibrated
to work only with the AquaChek TruTest test
strip reader.
• Each strip may only be used once. Do not re-
dip the strip. Only dip the strip in calm areas of
your pool or spa. Do not swish or swirl strip in
water.
• Ensure you have a fresh supply – keep cap on
tight between uses and store at
room temperature.
2. Press start button and dip
3. Place tip of strip in back
a strip at the same time.
end of channel, lay at, pad
Remove test strip immediately and shake excess water
side down.
from strip with a simple ick of the wrist.
DO NOT SLIDE THE TEST STRIP
ACROSS THE GLASS
Maintenance
• Wipe the test strip slot with fresh water and a cotton swab occasionally. This will
prevent any buildup.
• Never use harsh chemicals and/or abrasive materials on the TruTest meter.
Storage
• Store the meter out of direct sunlight to protect the meter from UV damage.
• If meter will not be used for several months, remove the batteries.
• This is a water resistant case. If the meter falls into the water, remove and dry the
batteries and battery compartment before use.
Do not dispose of batteries in the trash. Please recycle. In Europe, recycle the meter
according to WEEE
directive in your country.
TROUBLE SHOOTING TIPS
If TruTest readings are higher or lower than expected, these differences are likely
due to technique.
Important:
• Press start at the same time you're dipping the test strip.
• Do not swish or swirl the test strip when you dip. Simply dip strip and remove.
• Do not slide the test strip across the glass.
• Make sure the pads on the strip are facing down when placed on the meter.
• In between tests, thoroughly wipe the meter and channel clean, especially if you are
performing several tests in succession.
Speci cations:
• Intended for indoor/outdoor use
• Operating temperature range: 15-40° C
• Battery life: at least 4 months
• Dynamic Range:
FC, 0-15 ppm
pH, 6.1-8.8
TA, 0-300 ppm
• Precision:
FC, 0-1 ppm range +/- 0.3 ppm
FC, 3-10 ppm range +/- 1 ppm
pH, +/- 0.1 pH
TA, +/- 30 ppm
For more information, visit us at
www.aquachek.com/trutest
4. Now Wait for Results. (Do Not Hold onto Strip)
Digital Results for Free Chlorine, pH, and Total Alkalinity will appear together in seconds.
Check the status of your results for each parameter. The status LO=Low, OK=Ideal,
HI= High is displayed to the left of each digital value.
Battery Instructions
Install 2 "AA" batteries per the diagram.
Incorrect insertion will prevent the meter
from turning on due to the design of the
battery housing. USE ONLY ALKALINE
BATTERIES. Use of any other type of bat-
tery may damage the meter and voids the
warranty.
Precautionary Labels
Read all labels and tags attached the instrument. Personal injury or damage to the
instrument could occur if not observed.
This symbol, if noted on the instrument, references the instruction manual for
operational and/or safety information.
To ensure the protection provided by this equipment is not impaired, do not use this
equipment in any manner other than that, which is specifi ed in this manual.
Product Safety
UL 61010-1 (ETL Listing)
CSA C22.2 No. 61010-1 (ETLc Certifi cation)
Immunity
EN 61326;1998 (EMC Requirements for Electrical Equipment for Measurement Control and Labora-
tory Use) per 2004/108/EC EMC: Supporting test records by Hach Company, certifi ed by Hach
Company.
Emissions
Per 2004/108/EC EMC: EN 61326:1998 (Electrical Equipment for Measurement control and laboratory
use-EMC requirements) Class "B" emission limits. Supporting test records by Hach Company.
Standards include:
EN 55011 (CISPR 11). Class "B" emission limits
WEEE
Electrical equipment marked with this symbol may not be disposed of in European public
disposal systems, in conformity with the European local and national regulations (EU Direc-
tive 2002/96/EC). European electrical equipment users must now return old or end-of life
equipment to the producer for disposal at no charge to the user.
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