ATO Digital Hydrometer User manual

High Precision
Bright Backlit Display
Large Digital Screen Display
Low Battery Sound Alert
Digital Hydrometer
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Product Specifications
Measurement probe
Power Key
LCD window
battery cover
LCD Status Flashes when ready to
begin measurements
Flashes when taking
measurement
Flashes when battery is
slow
Testing method
Specifications
Testing condition
Saving function Power off after 60 seconds
Temperature compensation A.T.C
Display area LCD(with backlight)
Low battery reminder icon flash
Power supply AAA type battery
Waterproof Life waterproof
Electrical conductivity methods
Range
Resolution
Accuracy
S.G
1.000-1.041
0.001
±0.001
PPT
0-50
1
±2
Temperature
1-40℃
1℃
±1
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Clean the probe ready
for it’s next usage ,Pl-
ace the probe in natural
water and wait till the
icon appears on the
display
Press power key to
start the devices
Icon will be flash
Place gravimeter meas-
urement probe tip (as s-
hown) in testing water
icon will flash and
The buzzer will sound
and the backlight will
illuminate to display the
result
Press the power key to
display the SG value
(unit:PPT), Press key
to display temperature
value(unit:
℃ ), press
key more to power
off
Use fresh water to clean
the probe and use soft
cloth to dry.Keep dry w-
hen stored
the test begins
Instructions
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Measurement Precautions
Keepthemeasurementsensorprobeawayfrom
thebottomandthesidesofthetestingcup.Allow
1-2cmclearancearoundtheprobe
Donottouchanyresidueintheliquid
Whenthereisnotenough
liquidleanthecup
Donottouchtheprobe
tothetestingcup
Please note
Themetalpartofthetestingmeasurementprobemustbecompletelyinthetestliquid
Youshouldalwayschecktheaccuracyofyourmeteragainstreferencesolutiontoverify
it’saccuracy
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replacement time： iconflash
Storage Precautions
Donotuseorstorenearheaters
Onlyuserecommendbatterylistedunderspecifications.Replacebothbatteratsametime
Inordertopreventproductfailure,donotdismantletheproduct
Ifthegravimeterisdroppedorimpact.therewillbeerrorsintesting
Scratchesordeformationoftheprobecanleadtogreatererrorsintesting
Afterusage,Cleantestprobewithwaterandsoftcloth
Whenstoringforalongtime,Pleaseremovethebattery
Battery Replacement
AlthoughtheGravimeterhadpowerthereisnolongerenoughcurrentto
conductatestaccurately
tTheiconcanalsoflashwhenthenewbatterydoesnotworkafterinsertionand
needtobere-insertion
thenewbatterymayalsoleadtonaturaldischargeduetolongcirculationtime,
wheniconflash,replacethenewbatteryatthistime.
replacement method
Putinto2xAAAbatterywiththe“+”directionfacingoutward
Turnthebattercovercounterclockwiseto“OPEN”andremovethebatteries
Refertothefigurebelowandturnthebatterycoverclockwiseto“close”
Topreventdamagetothegravimeterpayattention“+””-”poleofbattery
close open thestatusofopen
usekeytoopen
thebatterycover
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