General Weighing Catalogue - English - 2015 - Small File

RV Vibro-Rheometer RV-10000/A
Two thin sensor plates arranged like a tuning fork, and electromagnetically
driven, vibrate at a frequency of 30Hz in the sample liquid.
Viscosity is then calculated based on the proportional relationship between
the viscous resistance of the sample fluid and the amount of electric current
required to drive and maintain the sensor plates at a constant vibration amplitude.
The sensor plate amplitude of the RV-10000A can be altered between
the minimum of 0.07 mm and the maximum of 1.2 mm (peak to peak)
while the frequency is kept at 30Hz, which will cause a variation in shear rate.
This allows the user to easily quantify the viscous behaviours of non-Newtonian
fluids in response to different shear rates.
A temperature sensor (0 to 160 ° C) located between the
sensor panels enables to capture the measuring temperature
at the same place during the measurement.
In addition, the sample may be placed in the supplied
water jacket with a commercially available temperature controltank,
to control the temperature (between 0 and 100 °C) of the sample fluid
in order to measure the viscosity at a constant temperature or to see
how the viscosity varies with changing temperature.
WinCT - Viscosity (supplied) is a software for automatic
transfer of the measurement data (temperature and viscosity) to allow
further processing. The measurement results can be graphically displayed
in real time or can be stored as a "CSV file" for future analysis.
Shear rate (s- 1)
10000
Relationship between amplitude, viscosity and shear rate (RMS)
for Newtonian fluids (water and viscosity standards)
1000
100
10
1
0.1
Viscosity (mPa.s)
Amplitude
1.2mm
1.0mm
0.8mm
0.6mm
0.4mm
0.2mm
0.1mm
0.07mm
1 10 100 1000 10000 100000
Relationship between viscosity measurement range at each amplitude and
shear rate (RMS) for Newtonian fluids (water and viscosity standards)
Viscosity (mPa.s)
100000
10000
1000
100
10
1
(0.07, 25000)
80s
100s 100s
200s 200s
300s 300s
Viscosity measurement range
5s (0.6, 5000)
(1.2, 3000)
20s 30s
10s 40s
60s
50s
400s
500s
800s 1000s
600s
0.1
(0.2, 0.3) (1.2, 0.3)
0
0.2 0.4 0.6 0.8 1 1.2
Amplitude (mm)
Model
RV-10000A
RV-10000
Measurement Range
0.3 — 25,000 mPa·s
0.3 — 25,000 mPa·s
Units
mPa·s, Pa·s, cP, P
mPa·s, Pa·s, cP, P
Options and Accessories for the RV-10000 and RV-10000A
Standard viscosity oils for calibration
Sample cup, 35-45ml, Polycarbonate (pack of 10)
Sample cup, 10 ml, with cover, Polycarbonate (pack of 10)
Sample cup, 13ml, glass
Positioning stopper
Water jacket (1 water jacket, 4 internal 10ml-cups with cover)
Storage container, 60ml, glass (pack of 10)
Storage container 120ml, Polycarbonate (pack of 10)
Analog voltage output (0-1V)
Cup set:
5 x 45ml-sample cup, Polycarbonate
5 x 10ml-sample cup, Polycarbonate, 5 x cover for 10ml sample cup
2 x 13ml-sample cup, glass, 1 x holder (stainless steel) for 13 ml sample cup
1 x Water jacket, Polycarbonate
Model
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