aquatrac®- 3e

Mobile Moisture Meter for Plastics
AQUATRAC - 3E
®
Brabender Messtechnik®
GmbH & Co. KG
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The water content of High-Tech
plastic material has a great influence on the quality of the finished
product. The test should be made
swiftly on an instrument with a
simple test procedure.
AQUATRAC - 3E is the result of
continuous development of the
popular AQUATRAC® product,
which has been on the market
for over 20 years. Developed primarily for the plastics-processing
industry, the device measures
the moisture content of granular
solids.
®
AQUATRAC® - 3E is robust, compact and easily transportable.
This means there are many different ways to use AQUATRAC® - 3E
directly at the production site, for
example:
Ranges
AQUATRAC®-3E
Moisture Meter for Plastics
With the AQUATRAC® - 3E different
ranges are obtained by different
sample weights. AQUATRAC® - 3E
is able to detect even the most
minute traces of moisture (less
than 0,01% H2O) in large, representative testing samples (up to
100 g). In the case of lower-weight
samples, the measuring range can
be increased to detect very high
degrees of moisture.
Since AQUATRAC® - 3E is now
able to achieve ultra-precise readings using a single measuring cup,
it is no longer necessary to switch
from one measuring cup to another.
-To check incoming granulates
-To measure granulates right
at the machine
-To take measurements from a
finished component, e.g. after
conditioning
-To take laboratory
measurements
-And many more!
As the principle of operation is
an absolute chemical method, no
calibration is required for each different substance tested.
AQUATRAC® - 3E can be used
independently of a computer or
other peripheral.
Measuring procedure
-To monitor and optimise the
drying of granulates
The measuring volume consists
mainly of the sample container,
which contains the sample and the
reagent.
Weighing the sample there is no
need to meet the exact value.
The actual weight is fed into the
instrument. This simplifies the
handling. The sample is placed
into the sample container which
is then evacuated by the built - in
vacuum pump, which takes approx.
30 sec. The pressure obtained is
lower than 10mbar. The sample
container is then heated up to the
selected temperature (between
60°C to 200°C).
Operating the AQUATRAC® - 3E
involves only a few simple steps,
which are executed via the device’s
touch screen. If the user prefers,
he can also have the touch screen
guide him step by step through the
measurement process.
AQUATRAC®-3E with open reaction vessel
All dimensions in mm
AQUATRAC -3E
The reagent calcium hydride used
by AQUATRAC® - 3E is in a granular form and is specific to water.
It is non-polluting and non-toxic, so
no special disposal is required. By
using the dosing spoon, the mesh
based insert is filled with a certain
amount of the reagent. The quantity
of one filling is sufficient material for
a couple of measurements and the
amount of hydrogen produced by
each measurement is very low. The
calcium hydride can be supplied in
quantities of 250g, which is sufficient for approx. 1000 tests.
®
This reaction takes place in
the sealed reaction vessel of
AQUATRAC® - 3E. It is evacuated
by using a built - in vacuum pump,
before the measurement. The
container is then heated up to
the measuring temperature. The
evaporating water reacts with the
reagent calcium hydride to generate a gas. The gas produced is
hydrogen; the gas pressure is
proportional to the water content
in the sample and is monitored
by means of a piezoelectric transducer. AQUATRAC® - 3E calculates the ratio of pressure to sample weight and displays the result
in terms of H2O content, either as
a percentage or in parts per million
(ppm). Volatiles other than water do
not react with the reagent and will
condense, hence not influencing
the reading. The reagent is placed
in a mesh based insert above the
sample. The partial pressure in the
gas system is zero; therefore the
total water content is accurately
measured. This, in combination with
the heat applied and the vacuum,
means results are obtained in a
short time. Furthermore the test is
not affected by the presence of oxygen and no carrier gas is needed.
Reagent
CaH2+2H2OCa(OH)2+2H2
Product data bank
Measuring principle
Water and calcium hydride react
according the following equation,
producing hydrogen:
AQUATRAC® - 3E contains an extensive product data bank with the
required default settings for bulk
density and measuring temperature. This allows measurements
to be taken quickly, without having
to input the necessary parameters
each time.
The databank can be expanded
or updated at any time, ensuring
a perfect fit for individual customer
needs!
For calibration of AQUATRAC® - 3E
the standard sodium molybdate
dihydrat according DIN EN ISO
15512 is used.
Calibration is made like a standard
test and can be done on site.
Calibration
Applications
Thermoplastics, e.g.:
Acrylonitrile butadiene styrene ABS
Polybutyleneterephthalate PBT
Polyamide 6.6 PA 6.6
Polyamide 6 PA 6 GF 30
Polyamide 12 PA 12
Polycarbonate PC
Polyester PET
Polyester elastomer TPE
Polyetherimide PEI
Polyethylene HDPE
Polyethylene LDPE
Polyethyleneterephtalate PETP
Polymethylmethacrylate PMMA
Polypropylene PP
Duroplastics, e.g.:
Epoxide resin
Acrylate
Silicon resin
Vinyl resin
Data storage
Elastomers, e.g.:
Styrene-butadiene rubber SBR
Chloroprene rubber CR
Polyurethane rubber PUR
The AQUATRAC® - 3E’s internal
hard drive can store up to 500 readings. Measurement results can be
easily transferred to a computer for
further processing via an USB stick.
The AQUATRAC® - 3E is optional
via an Ethernet interface networkcompatible, too.
By connecting a printer, results
data can be directly printed from
AQUATRAC® - 3E.
Technical data
Brabender
Messtechnik®
GmbH & Co. KG
Kulturstraße 51-55
D- 47055 Duisburg
Tel.: +49 203 99819-0
Fax: +49 203 99819-22
Measuring principle
Chemical reaction with calcium hydride
Sample weight
0,1 g - 100 g according to range
Test temperature
80 °C - 200 °C in 1 °C - steps
Accuracy
• Measurement accuracy:
+ 2% of reading / + 1% of range
• Reproductibility:
approx. + 1% of reading
Ranges
3 different ranges:
• lower 0,1%
• 0,1% - 0,5%
• higher 0,5%
Test time
10 - 45 min. dependent on material
Display
% H2O or ppm
Power supply
100 - 230V (50/60 Hz, 450W) / dependent on version
Dimensions (W x D x H)
51 * 32,5 * 23 cm
Weight
13,0 kg / 14,8 kg
DIN EN ISO 9001
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TAW Cert
Zert.Nr.: 18031006
AQUATRAC-3E / GB / 06 / 2013
www.brabender-mt.de
[email protected]