Waterproof Pocket Water Quality Meters

Aquaculture
Arts
Food &
Beverage
Health
Management
Livestock
Manufacturing
Waterproof Pocket Water Quality Meters
W
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ARR NT
W
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2 YEAR
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Agriculture
RAN
MADE IN
J A PA N
www.horiba-laqua.com
Water &
Wastewater
Applications
pH and
Conductivity
Measurements
in Coconut Coir
Substrate
Coconut coir testing involves
extracting a sample solution with
distilled water and measuring the
pH and conductivity of the extract.
The
acceptable
conductivity
ranges for 1:2 (v/v) dilution and
pour thru sampling methods are
0.26-0.75
mS/cm Scan QR Code for link
and 1.0-2.6 mS/
cm,
respectively.
The ideal pH range
is 5.4-6.2 for both
methods.
Soil pH and Nutrient
Availability
The desirable soil pH range for
optimum plant growth varies
among crops. Generally, soil pH
6.0-7.5 is acceptable for most
plants as most nutrients become
available in this pH range. Soil pH
can be determined Scan QR Code for link
by
mixing
soil
sample with water
and then measuring
the
resulting
aqueous solution.
| 01
Pocket Ion, pH, and Conductivity Meters
Determination
of Nutrient
Concentrations in Soil
Solution and Tomato
Plant Sap
Fertigation management requires
rapid and accurate methods to
determine nutrient concentrations
in soil solution and plant sap.
Folegatti et al (2005) found that the
concentrations of NO3-, K+, and Na+
in soil solution and tomato plant
sap determined by LAQUAtwin
ion pocket meters showed good
correlations with those obtained
in soil solution and in leaf dry
matter, respectively, determined
by standard methods in laboratory,
and concluded that Scan QR Code for link
LAQUAtwin
ion
pocket meters are
useful
low-cost
tools in fertigation
management.
Soil Nitrate
Measurement for
Determination of
Plant-Available
Nitrogen
Nitrate concentration in soil is a
good indicator of available nitrogen
to plants. The required soil nitratenitrogen (NO3-N) for
specific crops varies Scan QR Code for link
from crop to crop
but in general, a
concentration range
of 10-50 mg/kg is
desired.
Conductivity and
Elephant’s Foot
Testing
Measurement of pH
in Plant Tissue
An optimal pH value of 6.4 in plant
tissue will encourage healthy
growth and prevent insects and
diseases attacking the plant. To
measure pH, squeeze the sap
of mature leaves Scan QR Code for link
with garlic press
and place the sap
onto the sensor
of LAQUAtwin pH
meter.
Soil Salinity
Measurement in
Almond Orchard
Crops have different levels of
tolerance to salinity. Testing soil
salinity is the best way to check
soil condition in the orchard before
salt damage occurs. The EC1:5 test
is used to estimate Scan QR Code for link
soil salinity (ECe).
The soil salinity
threshold value for
almond is 1.5 mS/
cm.
Elephant’s foot is a physiological
disorder
in
sweet
pepper
(Capsicum annuum L.), where the
base of the plant’s stem becomes
swollen below the cotyledon level
and wounds develop at the base
of the stem’s epidermis because
of salt accumulation. LAQUAtwin
conductivity
meter
can
be
used to measure Scan QR Code for link
conductivity of soil
and help farmers
choose the best
land to grow sweet
pepper crops.
Impact of Soil
Salinity on Sugar
Cane Yield
Soil salinity adversely affects the
growth of sugar cane crops. To
help optimize sugar cane yield,
check the sodium content in soil
by mixing it with Scan QR Code for link
water in 1:5 ratio
and measuring the
resulting
solution
with
LAQUAtwin
sodium ion meter.
Measurement of
Potassium in Soil
Measurement of
Calcium in Soil
Calcium is one of the essential
nutrients taken up by plants from
soil for cell wall development. To
measure calcium concentration in
soil, extraction with 1M ammonium
acetate and filtration Scan QR Code for link
should be performed
prior to placing
the filtrate onto
the flat sensor of
LAQUAtwin calcium
ion meter.
Rapid In-Field
Determination of
Nitrogen in Onions
Fresh root sap analysis with
LAQUAtwin nitrate ion meter offers
cost-effective, rapid, and easy
solution to determine nitrogen
status in onion plants. The nitratenitrogen (NO3-N) concentrations
in onion vary at different growth
stages.
The Scan QR Code for link
acceptable root sap
NO3-N concentration
range for 0.5 to 1.5inch onion bulbs is
350 to 500 ppm.
In laboratories, potassium in soil
is extracted with 1M ammonium
acetate and analyzed with Atomic
Absorption (AA) or Inductivity
Coupled Plasma-Optical Emission
Spectrometry
(ICP-OES).
LAQUAtwin potassium ion meter
showed values higher than those
of ICP-OES. However, with 0.01M
ammonium acetate extraction,
good
correlation Scan QR Code for link
(r=0.981, r2=0.962)
was
obtained
between
ICP-OES
and
LAQUAtwin
potassium
ion
meter.
Potassium
Determination in
Plant Tissue
Comparison
of
LAQUAtwin
Potassium Ion Meter and ICP
Spectrometry
Trials
revealed
close significant correlation (r
values were 0.80 and 0.93 for first
and second trials, respectively)
between the LAQUAtwin potassium
ion meter readings and ICP results
obtained from plant’s fresh petiole
sap and dried tissue, respectively.
This suggested that LAQUAtwin
potassium ion meter could be
an
appealing
field
method Scan QR Code for link
substitute for rapid
determination
of
potassium
concentration
in
plants.
Quick Nutrient
Analysis in
Strawberry
Production
Nitrate Measurement
in Turf Grass
Nitrate concentration in grasses
can be used as an indicator of soil
nitrogen (N) availability for their
growth. Research at the University
of
Connecticut Scan QR Code for link
suggests
verdure
sap
nitrate-N
concentrations
at
200-300 ppm as the
optimum level.
Regular monitoring of nutrient levels
such as nitrate (NO3-), potassium
(K+) and calcium (Ca 2+) in plant
petioles, soil solution, irrigation
water, and drain water produces
not only good yield and fruit quality,
but also reduces fertilizer cost and
mitigates environmental hazards.
The LAQUAtwin pocket meters
are the perfect tools for testing
as they directly measure samples
and provide results
in just few seconds Scan QR Code for link
allowing
growers
to
identify
and
correct any nutrient
deficiency or excess
immediately.
Measurement of
Potassium in Rice
Potassium is one of the essential
plant nutrients supplied via fertilizer
in most irrigated rice fields.
Extracting sap from the lower
stem of plant rice and analysing it
with LAQUAtwin potassium meter
provide indication Scan QR Code for link
of
the
current
potassium
status
and help farmers
adjust the fertilizer
application. pH and Conductivity
for Testing Acrylic
Paint Films and
Paper Supports
and Formulating
Aqueous Cleaning
Solutions
Isotonic aqueous cleaning solutions
that match the pH and conductivity
readings of acrylic paint films and
paper supports obtained from
agarose gel pellets have been
shown to be effective in reducing
or
removing Scan QR Code for link
dirt, dust, active
mold growth and
associated stains,
tide line stains, and
discoloration.
02 |
Aquarium Water
Testing
Testing aquarium water such as
freshwater and saltwater (either
natural or artificial seawater) with
reliable instruments is necessary to
create a clean and safe environment
for your aquatic species. The
LAQUAtwin pocket Scan QR Code for link
meters require only
few drops of water
and
deliver
the
results in just few
seconds.
pH Measurement
to Determine
Acidification of Sushi
Rice
The rice used for sushi must be
acidified with acetic acid (vinegar)
to pH less than 4.6 to inhibit the
growth of pathogenic bacteria. To
measure pH, simply Scan QR Code for link
place a sample of
rice mixture onto
the flat sensor of
LAQUAtwin
pH
meter.
| 03
pH Measurement in
the Acidification of
Fermented Sausages
Lowering pH or increasing acidity
of meat has become main hurdle
against pathogenic bacteria in
sausage making.
pH is used
in the course of Scan QR Code for link
fermentation process
in order to produce
microbiologically
stable product that
has a pH value of 5.3
or less.
pH Measurement of
Pickled Fruits and
Vegetables
Pickling is a process of preserving
fruits and vegetables in brine, oil,
water or vinegar. The Australia
New Zealand Food
Standard
Code Scan QR Code for link
2.3.1 requires the
preserved fruits and
vegetables to have
a pH not greater
than 4.6 to prevent
botulism.
pH of Brine for
Canned Food Testing
For brine of canned acid foods,
the equilibrium pH value must
be 4.6 or below to Scan QR Code for link
inhibit the growth
of
Clostridium
botulinum, the most
heat resistant of
the food pathogen
microorganisms.
Determination of
Sodium Content in
Food Samples
Foods contain varying amounts of
salt (NaCl), which has 40% sodium.
Determining the sodium content
in foods accurately reduces the
health risks associated with it.
The American Heart Association
recommends consumption of less
than 1500 mg/day
sodium for most Scan QR Code for link
American
adults,
which is the level
with the greatest
effect on blood
pressure.
pH Measurement to
Determine Freshness
of Meat Products
Fresh meat must have a pH value
in the range of 5.5 to 6.2 before
selling to consumers. LAQUAtwin
pH meter provides Scan QR Code for link
a simple and cost
effective way to
check the freshness
of meat in the local
markets.
Sodium Value Check
for Canned Food
There is a growing concern on
canned foods with large sodium
content as excessive intake of
sodium can cause high blood
pressure and hypertension. To
check the sodium content in canned
food, dilute a sample Scan QR Code for link
with DI water in 1:5
ratio, then place the
resulting
solution
onto the LAQUAtwin
sodium ion meter.
Measurement of
Calcium in Milk and
Milk Beverages
Determining the calcium content
of milk and milk beverages helps
consumers accurately gauge their
calcium intake. Unlike atomic
absorption spectroscopy (AAS)
and inductively coupled plasma
atomic emission spectroscopy
(ICP), the LAQUAtwin calcium
ion meter offers a
Scan QR Code for link
simpler method of
measuring calcium
ion-ionizing proteinbound calcium in
sample using acid
before analysis.
pH of Cement for
Floor Installation
Testing
Fresh concrete is usually very
alkaline, above pH 11. When the
alkalinity in a concrete subfloor
is high, it can stop the floor
covering adhesive from bonding
properly to the concrete. Australian
Standard 1884 for resilient flooring
installation states Scan QR Code for link
the the pH level of
the concrete surface
should be between
9 and 10 before
the flooring can be
installed.
Measurement of
Sodium in Athlete’s
Sweat
Nitrate Measurement
in Hybrid
Sudangrass and
Pearl Millet Hays
Determining
the
sodium
concentration in sweat and
replacing
that
with
proper
electrolyte intake prevent fluid and
electrolyte imbalances. Sweat can
be easily extracted from sterile
patches applied on skin and tested
with LAQUAtwin sodium ion
meter.
According
to Gatorade Sports Scan QR Code for link
Science
Institute,
the sodium results
obtained
with
HORIBA falls within
15.4 mEq/L 95% of
the time.
Determining
the
nitrate
concentrations of sudangrass
and pearl millet before feeding
them to livestock prevents nitrate
toxicity. Plant sap testing with
LAQUAtwin B-743 nitrate ion meter
offers fast and accurate nitrate
in-field analysis. Generally, the
maximum
nitrate
c o n c e n t r a t i o n s Scan QR Code for link
considered safe for
all cattle are 820
ppm and 700 ppm
for sudangrass sap
and pearl millet sap,
respectively.
Measurement of
Calcium in Drinking
Water
Measuring Salinity
of Water
Measuring the salinity or the
dissolved salt content of water is
important as aquatic organisms,
livestock, and crops thrive at
different
salinity Scan QR Code for link
levels. Freshwater
has a salinity value
of less than 0.5 ppt
while seawater has
an average salinity
of 35 ppt.
Determining the calcium content
of drinking water helps consumers
accurately gauge their calcium
intake. Unlike atomic absorption
spectroscopy (AAS) and inductively
coupled plasma atomic emission
spectroscopy (ICP), the LAQUAtwin
calcium ion meter offers a
simpler method of Scan QR Code for link
measuring calcium
ion - ionizing bound
calcium in water
using acid before
analysis.
Residual Sodium
Check During Cleanin-Place Process
Caustic soda or sodium hydroxide
(NaOH) is the chemical commonly
used in alkaline cleaning solution
for clean-in-place (CIP) in process
plants. Measuring the sodium ion
concentration on the
water rinse or swab Scan QR Code for link
can indicate whether
residual
chemical
has been removed
properly from the
process equipment.
Determination of
Potassium in Sea
Water
Seawater has high ionic strength. To
eliminate matrix effect in measuring
potassium (K+) concentration,
standard solutions made with
the same background as the
seawater sample are recommended
for calibration. The result of
measurement using Scan QR Code for link
the
LAQUAtwin
Potassium Ion meter
is within ±10% of
typical
seawater
concentration.
04 |
Compact Water Quality Meter
Lab in your pocket
LAQUAtwin compact meters
are simple and easy-to-use.
8 Water Quality Parameters: pH,
Conductivity, Total Dissolved Solids (TDS),
Ions (Na+, K+, NO3-, Ca2+) and Salt
Employing the same test principle as laboratory electrodes, LAQUAtwin
compact meters provide a reliable and accurate measurement. Select
your meter that best suits your application from 11 colorful models.
Quick!
No container is
needed to calibrate
or measure. Only few
drops of standards
and samples are all
you need.
Anyone!
Solution!
Easy & simple
operation
makes everyone
an expert.
Discover more
with easy, on-site
measurement.
Reliable!
Accurate reading from a single drop of
sample in just a few seconds
Incorporating the same parts as standard laboratory electrodes, the
LAQUAtwin compact meters are built with miniaturized components
and unique flat sensor chip, which is less than 1 mm thick—a result of
60 years of HORIBA’s sensor engineering technology.
pH response membrane
KCI gel
Approx. 0.8 mm
Variety!
Measurements can
be made in different
positions because of
the sensor design.
HORIBA 60 years
sensor technology
distilled in HORIBA’s
unique flat sensor.
Wherever!
IP67 rated dust/
waterproof. Carry
LAQUAtwin and its
accessories in a
carrying case.
Cost effective
1/100 of standard
solution and
sample volume is
needed. Sensor is
replaceable.
Carrying case comes with calibration
solutions and accessories
Everything you need for measurement is already packed in a carrying
case for portability and storage. Also, you may attach a strap or tag
(not included) on the strap hole of the meter for your convenience.
Liquid junction Reference electrode Temperature sensor
Cross-sectional view of the flat pH sensor chip.
Calibrate and measure at the touch of a
button. Read the result when  appears.
Hassle-free operation with single-button calibration and measurement.
Record the reading once a smiley face appears on the display
Attach a strap or tag here.
Fully waterproof and dustproof (IP67
rated)1 with backlight display
The LAQUAtwin compact meters can be used
anywhere and anytime. No need to worry with water
splashes or inclement weather during measurement.
With the meter’s backlight display, you may view the
reading in testing sites with poor light condition.
Withstand immersion for 30 minutes at 1m depth. Not suitable for
underwater use.
1
| 05
Easy measurement for all users
Sensor
IP67 rated waterproof/dustproof.
Sensor is easily replaceable.
Measurement button
Strap hole
Press to view mV or temperature (Auto Stable mode)
or to lock / unlock reading (Auto Hold mode).
In Set-up mode, press to scroll or adjust settings.
You can attach a
strap or tag here.
Power button
Meter
Press to switch on or
off the meter or exit
set-up mode.
IP67 rated
waterproof/
dustproof.
Calibration button
Press to perform
calibration or save
settings in set-up mode.
Sensor guard
Protects sensor from damage
and light. Sliding cap—for
scooping water samples. Open
the whole sensor guard when
placing water or solid samples
directly onto the sensor.
Backlight
For easy viewing in the
dark. Flashes when
battery is low.
Open
Close
Slide cap
Battery Indicator
Stability mark
Appears when
battery is low
Lights up when
measurement
is complete.
Calibration mark
Temperature alarm
Calibration is
complete when it
stops flashing.
Measurement mark
Measurement is
complete when it
stops flashing.
Flashes when the
temperature is out
of range.
Measurement value
Immersion
Drops
Displays sensor voltage.
Scoop
When you're in the lab, you
can test the sample in a
beaker. Ensure the sensor
guard sliding cap is open.
Drop a sample with a
dropper; small volumes as
0.1 mL can be measured.
Using sampling sheet B,
volumes down to 0.05 mL
can be tested.
Voltage
measurement mode
Flashes when the
measurement value
is out of the range.
Use as a scoop to test
water from a river. Vertical
scoop is available with a
unique sensor guard.
Unique measurement
options with
LAQUAtwin
One meter provides seven flexible
measurement techniques. Simply
choose the method that best fits
your sample and situation.
Solid samples
Wipe
The sampling sheet allows
tiny, trace volumes to be
analysed. For example,
wipe off the surface of the
skin with a sampling sheet
soaked with pure water
and measure.
Paper, textiles
and films
Foods containing some
moisture can be tested by
placing a small piece directly
onto the sensor.
Powders
LAQUAtwin meters can also test dry
powders. Simply place the powder
sample onto the sensor, and add an
appropriate amount of pure water.
To test sheets of paper and
textiles, cut up the sample
into small pieces and place
them directly onto the sensor
then add a defined amount of
pure water.
All methods applicable to pH measurement. Conductivity models cannot be tested with solids,
powders, and sheet-like samples. Above pictures are for illustration purposes only.
06 |
pH
pH-11
Model
WATER
PROOF
Features
Part No.
2 PT
CAL
MICRO
VOLUME
pH-22
mV
WATER
PROOF
0.1 pH
3999960122
0.00 to 14.00 pH / 0.01 pH
± 0.1 pH
± 0.01 pH
2
3
5
USA: 1.68, 4.01, 7.00, 10.01 & 12.46
NIST: 1.68, 4.01, 6.86, 9.18 & 12.46
mV Range /
Resolution
± 650 mV / 1 mV
Temperature
Display /
Resolution
­—
0 to 50.0 ºC / 0.1 ºC
Automatic Buffer Recognition • Temperature Compensation • Temperature Calibration* •
Auto Hold / Auto Stable • Automatic Power Off (30 mins.) • Low Battery Indicator •
IP67 Water / Dust Proof • Replaceable Sensor
Display
Custom (Monochrome) Digital LCD with Backlight
Operating
Temperature /
Humidity
Battery Life
Material
5 to 40 ºC / 85% or less in relative humidity (no condensation)
Approx. 400 hrs. continuous use without backlight
ABS epoxy body / flat glass sensor
Dimensions
Mass
164 x 29 x 20 mm(excluding projections)
Approx. 55g (including sensor and batteries)
Accessories
included
*Applicable for models with temperature display
pH 7.00 & 4.01 pH Buffers (14 ml each)
CR2032 Batteries (2) • Dropper • Instruction & Quick Manuals • Storage Case
Temp
0.01 pH
3999960124
0.0 to 14.0 pH / 0.1 pH
pH Calibration
Curves
| 07
5 PT
CAL
MICRO
VOLUME
0.1 ml (0.05 ml with Sampling Sheet B)
Maximum pH
Calibration
Points
Functions
mV
Glass Electrode
Minimum
Sample
Volume
Accuracy
WATER
PROOF
0.01 pH
3999960123
Measurement
Principle
pH Range /
Resolution
3 PT
CAL
MICRO
VOLUME
pH-33
mV
Conductivity (EC)
EC-11
Model
WATER
PROOF
Features
2 PT
CAL
MICRO
VOLUME
Part No.
Measurement
Principle
Minimum
Sample
Volume
EC-22
WATER
PROOF
~19.9
mS/com
MICRO
VOLUME
3999960125
Salt (NaCl)
EC-33
Temp
3 PT
CAL
WATER
PROOF
~199.9
mS/com
3999960126
Temp
TDS
MICRO
VOLUME
3 PT
CAL
Salt-11
WATER
PROOF
~199.9
mS/com
Temp
2 PT
CAL
MICRO
VOLUME
3999960127
EC
CONV
3999960128
2 Electrode Bipolar AC
0.12 ml
Conductivity
0 to 199 µS/cm (1 µS/cm)
200 to 1999 µS/cm (1 µS/cm)
2.00 to 19.99 mS/cm (0.01 mS/cm)
Measurement
Range /
Resolution
Accuracy
Maximum
Calibration
Points
Conductivity
0 to 199 µS/cm (1 µS/cm)
200 to 1999 µS/cm (1 µS/cm)
2.00 to 19.99 mS/cm (0.01 mS/cm)
20.0 to 199.9 mS/cm (0.1 mS/cm)
TDS
0.0 to 99.9 ppm (0.1 ppm)
­ ­
—
100 to 999 ppm (1 ppm)
1000 to 9990 ppm (10 ppm)
± 2% full scale (for each range)
2
2
—
Functions
Display
Operating
Temperature &
Humidity
Battery Life
Material
Dimensions
Mass
± 10% of actual value
1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm
TDS Factor (0.4 to 1.0) /
EN 27888 / 442 / NaCl
­—
Temperature
Display /
Resolution
Salt
0.00 to 10.00 % (0.01 %)
3
1413 µS/cm, 12.88 mS/cm
Calibration
Curves
Salt
0.0 to 100.0 g/L (0.1 g/L)
NaCl / Sea water
0 to 50.0 ºC (0.1 ºC)
Automatic Range • Automatic Standard Recognition • Temperature Compensation (2%/ºC fixed) • Temperature Calibration* • Auto Hold
/ Auto Stable • Automatic Power Off (30 mins.) • Low Battery Indicator • IP67 Water / Dust Proof • Replaceable Sensor
Custom (monochrome) digital LCD with backlight
5 to 40 ºC, 85% or less in relative humidity (no condensation)
Approx. 400 hrs. continuous use without backlight
ABS epoxy body / Titanium coated with platinum black sensor
164 x 29 x 20 mm(excluding projections)
Approx. 50g (including sensor and batteries)
0.5% & 5.0% NaCl Standard
Solutions (14 ml each)
Conditioning Solution (4 ml) • CR2032 Batteries (2) • Dropper • Instruction & Quick Manuals • Storage Case
1413 µS/cm & 12.88 mS/cm Conductivity Standard Solutions (14 ml each)
Accessories
included
*Applicable for models with temperature display
TDS Calibration Curves
Application
Aquaculture, pickling
Boiler water, HVAC
Environmental
Key chemical species
NaCl
Na2SO4, NaHCO3, NaCl
EN standard for environmental water
General application
TDS selection
NaCl
442
EN 27888
TDS Factor Linear Default: 0.5
Selectable: 0.4 to 1.0
KCl
EN 27888 Curve
442 Curve
NaCl Curve
300
90000
12000
80000
10000
250
COND / mS/cm-1
8000
60000
TDS442 / ppm
TDS (mg/L)
70000
6000
4000
50000
40000
200
150
100
30000
2000
0
50
20000
10000
0
5
10
Conductivity (mS/cm)
15
20
0
25
0
0
20000
40000
60000
Conductivity µS/cm
80000
100000
0
1000
2000
3000
NaCl / mM
4000
08 |
5000
6000
Sodium Ion (Na+)
Na-11
Model
WATER
PROOF
Features
Part No.
MICRO
VOLUME
Temp
2 PT
CAL
3200689159
Potassium Ion (K+)
K-11
WATER
PROOF
2 PT
CAL
MICRO
VOLUME
WATER
PROOF
3200689160
MICRO
VOLUME
Calcium Ion (Ca2+)
Temp
2 PT
CAL
Ca-11
WATER
PROOF
3200689162
MICRO
VOLUME
Temp
2 PT
CAL
3200689161
Ion Selective Electrode
Minimum
Sample Volume
0.3 ml (0.05 ml with Sampling Sheet B)
2 to 9900 ppm (mg/L)
(0.1 to 430 mmol/L)
NO3-: 6 to 9900 ppm (mg/L)
(0.1 to 160 mmol/L)
NO3-N: 1.4 to 2200 ppm
(mg/L)
4 to 9900 ppm (mg/L)
(0.1 to 250 mmol/L)
2 to 5000 kg/10a (soil/water
ratio 1:5)
4 to 9900 ppm (mg/L)
(0.1 to 250 mmol/L)
0 to 99 ppm: 1 ppm
100 to 990 ppm: 10 ppm
1000 to 9900 ppm: 100 ppm
Resolution
Accuracy
± 10% of actual value
Maximum
Calibration
Points
± 20% of actual value
2
Temperature
Display /
Resolution
Functions
NO3-11
Temp
Measurement
Principle
Measurement
Range
Nitrate Ion (NO3 -)
0 to 50.0 ºC / 0.1 ºC
Automatic Standard Recognition • Changeable Low and High Calibration Values • Temperature Compensation •
Temperature Calibration • Multiplication Compensation (0.01 to 9.90) • Auto Hold / Auto Stable •
Automatic Power Off (30 mins.) • Low Battery Indicator • IP67 Water / Dust Proof • Replaceable Sensor
Display
Custom (Monochrome) Digital LCD with Backlight
Operating
Temperature /
Humidity
5 to 40 ºC / 85% or less in relative humidity (no condensation)
Battery Life
Approx. 400 hrs. continuous use without backlight
Material
ABS epoxy body / flat glass sensor
Dimensions
164 x 29 x 20 mm(excluding projections)
Mass
Approx. 55g (including sensor and batteries)
Accessories
included
150 & 2000 ppm Standard Solutions (14 ml each) • Sampling Sheet B (5pcs)
CR2032 Batteries (2) • Dropper • Instruction & Quick Manuals • Storage Case
Correlation between LAQUAtwin measurement data and ion chromatography
Crops (NO3-)
Isotonic drink, mineral water drinks and
mineral water (Na+, K+, Ca2+)
1000
Spinach,
Komatsuna,
Cabbage,
Bok choy,
Napa cabbage,
Lettuce,
Other
1000
y = 0.988 x
R2 =0.937
1000
Measurement data of ion chromotography (ppm)
| 09
100
Na+ : y=1.127x R 2 =0.941
Ca2+: y=0.922x R 2 =0.990
K + : y=0.906x R 2=0.954
10
100
100
Measurement data of
LAQUAtwin (ppm)
Measurement data of
LAQUAtwin (ppm)
10000
10000
10
100
1000
Measurement data of ion chromotography (ppm)
*When measuring Ca 2+, samples are pretreated in order to match the conditions of the ion chromatography.
Solutions & Accessories
LAQUAtwin Replacement Sensors
Part No.
Model
Description
3200459834
S010
pH Sensor (for B-711, B-712, B-713, pH-11, pH-22 & pH-33)
3200459866
S021
Salt Sensor (for B-721)
3200459867
S022
Sodium Ion Sensor (for B-722 & Na-11)
3200459868
S030
Potassium Ion Sensor (for B-731 & K-11)
3200459870
S040
Nitrate Ion Sensor (for B-741, B-742, B-743, NO3-11, NO3-11C & NO3-11S)
3200459869
S050
Calcium Ion Sensor (for B-751 & Ca-11)
3200459672
S070
Conductivity Sensor (for B-771, EC-11, EC-22, & EC-33)
3200597237
S071
Salt EC Sensor (for Salt-11)
LAQUAtwin
Replacement Sensors
LAQUAtwin Standard Solutions (6 x 14ml bottles per pack)
Part No.
Model
Description
3999960108
514-4
pH 4.01 Buffer
3999960109
514-7
pH 7.00 Buffer
3999960110
514-22
1413 µS/cm Conductivity Standard Solution
3999960111
514-23
12.9 Conductivity Standard Solution
3999960112
514-05
0.5% NaCl Standard Solution
3999960113
514-50
5.0% NaCl Standard Solution
3999960114
514-20
Conditioning Solution (For Conductivity & Salt Sensors)
3200457723
Y022H
2000ppm Sodium Ion Standard Solution
3200457724
Y022L
150ppm Sodium Ion Standard Solution
3200457719
Y031H
2000ppm Potassium Ion Standard Solution
3200457720
Y031L
150ppm Potassium Ion Standard Solution
3200053433
Y041
5000ppm Nitrate Ion Standard Solution
3200053514
Y042
300ppm Nitrate Ion Standard Solution
3200053532
Y043
2000ppm Nitrate Ion Standard Solution
3200053535
Y044
30ppm Nitrate Ion Standard Solution
3200053536
Y045
150ppm Nitrate Ion Standard Solution
3200457727
Y051H
2000ppm Calcium Ion Standard Solution
3200457728
Y051L
150ppm Calcium Ion Standard Solution
pH Buffers Conductivity
NaCl
Standard
Standard
Solutions Solutions
Sodium Ion Potassium Calcium Ion
Standard Ion Standard Standard
Solutions
Solutions
Solutions
Nitrate Ion
Standard Solutions
LAQUAtwin Accessories
Part No.
Model
Description
3200053858
Y046
Sampling Sheet B (100pcs) for minute samples (≥ 0.05ml)
3200459736
Y048
Sampling Sheet Holder (use with sampling sheet B for samples with
particulates)
Sampling Sheet B
10 |
Visit HORIBA’s website!
Water Quality Analyzers
www.horiba-laqua.com
With over 60 years of engineering excellence,
HORIBA's diverse range of water quality
analyzers and electrodes are ideal for
everyday laboratory needs through to the
most demanding of applications. Visit our
website for a wealth of useful information and
water quality measurement tips to help you
obtain the best results in your work.
Benchtop Meters
Developed using extensive feedback from
users, our new LAQUA meters deliver the
best solution for water quality analysis. Our
LAQUA website features an online 'Selection
Guide' to enable you to find the perfect
LAQUA meter and electrode for your need.
Handheld Meters
In the lab, in the field or anywhere you need
it. LAQUA Handheld meters are designed
for use with one hand and with an IP67
waterproof rating and shock-resistant casing.
Meters can be used for long periods, even
in dark places, making it ideal for field
measurements in rivers and lakes.
Electrodes
Various electrodes to match any application.
A wide range of products for both benchtop
and portable systems are available,
including easy and reliable standard models,
application-focused models for small samples
or large containers, and special electrodes
for specific sample characteristics.
SUPPORT
Application Notes
LAQUAtwin pocket meters offer quick
and convenient alternative to analyze
important parameters with high accuracy.
Several application notes are available at
(http://goo.gl/znwE6j) detailing the use of
LAQUAtwin and the results achieved for the
respective applications. Additional application
notes will be added when available.
HORIBA CUSTOMER SUPPORT SYSTEM
HORIBA offers a variety of services to help you conform to quality standards and international guidelines such as GLP, GMP and ISO.
Technical Support
User Support
Please contact us with any technical
questions about our products.
Our support website is available for
registered customers and features:
• Data collection software
• Instruction manual downloads
• Measurement tips, etc.
www.horiba.co.jp/register
www.horiba.com/wq/support
Validation Support
Please contact us with any questions or
requirements for your validation procedure.
• Traceability certification*
• IQ/OQ/PQ support*
• SOP guidance
• FAQ
*Optional services
Please read the operation manual before using this product to assure safe and proper handling of the product.
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The contents of this catalog are subject to change without prior notice, and without any subsequent liability to this company.
The color of the actual products may differ from the color pictured in this catalog due to printing limitations.
It is strictly forbidden to copy the content of this catalog in part or in full.
All brand names, product names and service names in this catalog are trademarks or registered trademarks of their respective companies.
Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Complies with all ACMA RCM compliance requirements EMC Systems Doc Number: C160104-3
HORIBA Instruments (Singapore) Pte. Ltd.
83 Science Park Drive, #02-02A,
The Curie, Singapore 118258
Phone: 65 6908-9660
Fax: 65 6745-8155
www.horiba-laqua.com
HORIBA UK Limited
Kyoto Close, Moulton Park,
Northampton NN3 6FL
Phone: 44 (0) 1604 542567
Fax: 44 (0) 1604 542699
www.horiba.com/uk
e-mail: laqua@horiba.com
Brochure PBT-02-2017A