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AND RV-10000A Tuning Fork Vibro Rheometerr

Two thin sensor plates in a tuning fork arrangement are driven with electromagnetic force to vibrate at their natural (resonant) frequency of 30 Hz within the sample fluid. 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 more ...
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AND RV-10000A Tuning Fork Vibro Rheometerr

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AND RV-10000A Tuning Fork Vibro Rheometerr

Price: $16,910.00


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AND Weighing
SKU: RV-10000A

Features

Stop Measuring Viscosities the Hard Way

Are you struggling with an expensive rheometer that only produces unstable results when testing low viscosity (e.g. below 100 mPa•s) samples? Drawing on A&D’s proven sensor technology for high-resolution analytical balances, the RV-10000A Tuning Fork Vibro Rheometer is a breakthrough alternative to conventional methods in the research of non-Newtonian fluid properties, especially for ease and precision in low viscosity measurements

Tuning Fork Vibro Rheometer - Principle of Operation

Two thin sensor plates in a tuning fork arrangement are driven with electromagnetic force to vibrate at their natural (resonant) frequency of 30 Hz within the sample fluid. 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.* 1

This is an application of the electromagnetic equilibrium mechanism employed by A&D’s high-end weighing devices, including microbalances whose scale interval is as small as 1 ìg (1/1,000,000 of 1 g).

How the shear rate is changed 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 30 Hz, which will cause variation in shear rate. By this means, you can easily quantify the viscous behaviors of non-Newtonian fluids in response to different shear rates.

The tuning fork vibro method is recognized as a Japanese industrial standard for viscosity measurement of liquids (JIS Z8803). The viscometer that uses this method is also accredited as a standard device for the Japan Calibration Service System (JCSS) along with capillary and rotational viscometers

Advantages

Wide Continuous Measurement Range—From 0.3 mPa• s
The RV-10000A has a single viscosity detection system that can measure from very low to high viscosity without interruption (max. 0.3 to 25,000 mPa•s), which realizes high versatility and allows measurement of various types of fluids with just one instrument. It also allows continuous monitoring of viscosity variation with time, temperature as well as shear rate.

Extremely High Sensitivity The sensor sensitivity heightened through sharp resonance phenomena even detects viscosities around the level of water with unparalleled precision. Such sensitivity even realizes measurements, for example, for finding the cloud point of surfactants and controlling the drinking sensation of beverages.

Excellent Repeatability The RV-10000A achieves repeatability as high as 1% of the measured value (by standard deviation) for the entire measurement range, providing you with consistent results and enabling reliable comparisons of those results.

Relationship Between Vibration Amplitude, Shear Rate and Viscosity

Simultaneous Measurements of Temperature and Viscosity
The temperature sensor (0 to 160 °C range) located between the two viscosity sensor plates allows measurement of viscosity’s dependence on temperature as accurately as possible

Sample Fluid Temperature Control By using the provided water jacket with a commercially available temperature control tank, you can control the sample fluid temperature (between 0 and 100 °C) in order to measure the viscosity at a constant temperature or see how the viscosity varies with temperature

Easy Setup and Very Quick Measurement Compared with conventional methods, it takes much less time for you to set the sample fluid, start measurement, and obtain the viscosity value (the RV-10000A requires only 20 seconds to stabilize). Moreover, since the sensor plates have a very small thermal capacity, they cause minimal temperature change to the sample fluid upon immersion, also contributing to fast and stable viscosity measurement.

It is very easy to clean the sensor after measurement as well – all you need to do is wipe off the sample residue with alcohol.

Little Interference to the Sample Fluid The low-frequency, low-amplitude vibration causes only minute displacement in the sample fluid and keeps changes to its temperature and physical structure to a minimum. This enables highly stable measurements of viscosity variations over a long period of time. It also enables the measurement of fluids such as foams (e.g. whipped cream) without breaking their tiny air bubbles or dispersion systems (e.g. colloids) while they are settling

Measurements of Fluids in Motion The two sensor plates vibrate in opposite directions, meaning that even if the sample fluid is flowing or being stirred during measurements, the errors of each sensor plate are cancelled out by those of the other. It is therefore possible, for example, to measure the viscosity of a flowing fluid in a production line and maintain data compatibility between the laboratory and the field.

Easy Calibration by Yourself Both one-point and two-point calibrations are possible using either viscosity standards (available as accessories) or fluids of known viscosities. With the RV-10000A, there is no need to spend time and money having the instrument calibrated by an outside specialist.

Simplified Calibration Function For a viscosity range around 1 mPa• s, a highly useful, simplified calibration function is available. You only have to prepare purified water and perform a simple one-key operation, and the RV-10000A will automatically calibrate itself using stored information on the viscosity of purified water at each temperature.

RV-10000A – Controller Section The dedicated controller can automatically change the sensor plate amplitude and take data in the manner you programmed. It also shows and graphs measured values in real time so that viscosity changes as a function of time, temperature, and/or shear rate* 4 become plainly visible. The results can be saved in CSV format and graph screens as JPEG images in a USB flash drive.

In Auto mode, the sensor plate amplitude automatically goes from 0.07 mm to 1.2 mm and back to 0.07 mm again according to one of three preset types of measurement conditions: Quick, Standard and Fine modes, from which you can make a choice of how finely to change the amplitude (8, 13 or 114 levels) and how long to take for the measurement (7.5, 25 or 60 minutes in total). Auto mode helps when you want to take a quick scan of the physical properties of the sample fluid.

Program mode allows you to more freely design the measurement conditions, by setting either amplitude changes in steps (Step mode) or two amplitude points so that it linearly (in scales of 0.01 mm) increases and then decreases between them (Fine mode). This mode is especially useful for testing the sample fluid within a specific amplitude (shear rate) or viscosity range. The measurement conditions set in Step mode can be saved for later measurements with the same conditions (up to 10 programs).

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Specifications

Model RV-10000A
Measurement method Tuning fork vibro method (natural frequency at 30Hz)
Amplitude range 0.07 to 1.2 mm (peak-to-peak at the tip of the sensor plate)
Measurable viscosity range *6 0.07 mm < amplitude < 0.1 mm 2,000 to 25,000 mPa.s
0.1 mm < amplitude < 0.2 mm 20 to 25,000 mPa.s
Amplitude = 0.2 mm 0.3 to 25,000 mPa.s
0.2 mm < amplitude < 0.4 mm 0.3 to 12,000 mPa.s
0.4 mm < amplitude < 0.8 mm 0.3 to 5,000 mPa.s
0.8 mm < amplitude < 1.2 mm 0.3 to 3,000 mPa.s
Repeatability *7 *8 1% of the measured value (standard deviation)
Accuracy *7 *9 ±3% (1 to 1000 mPa.s) when the amplitude is set to 0.4 mm
Minimum display
Range (mPa.s) Minimum display (mPa.s) Minimum display (Pa.s)
0.3 to 10 0.01 0.0001
10 to 100 0.1 0.0001
100 to 1000 1 0.001
1000 to 25000 10 *10 0.01
Viscosity measurement unit mPa.s, Pa.s, cP, P
Operating temperature 10 to 40°C (50 to 104°F)
Minimum sample amount 10 ml
Temperature display 0 to 99°C/0.1°C (32 to 210.2°F/0.1°F); 100 to 160°C/1°C (212 to 320°F/1°F)
Temperature measurement accuracy 0 to 20°C: ±1°C (32 to 68°F: ±1.8°F)
20 to 30°C: ±0.5°C (68 to 86°F: ±0.9°F)
30 to 100°C: ±2°C (86 to 212°F: ±3.6°F)
100 to 160°C: ±4°C (212 to 320°F: ±7.2°F)
Display Vacuum Fluorescent Display (VFD)
Connection cable length 1.5 m (between the sensor unit and the display unit)
Communication RS-232C as standard
Power supply AC Adapter
Power consumption Approx. 14 VA (including the AC adapter)
External dimensions / weight Sensor unit: 112 (W) × 132 (D) × 291(H) mm / approx. 0.8 kg
Display unit: 238 (W) × 132 (D) × 170 (H) mm / approx. 1.3 kg
Stand unit: 296 (W) × 314 (D) × 536 (H) mm / approx. 4.6 kg
Standard accessories AC adapter × 1, connection cable × 1, sample cup (capacity: 45 ml) × 5, small sample cup (capacity: 10 ml) × 5, small sample cup cover × 5, glass sample cup (capacity: 13 ml) × 2, glass sample cup holder × 1, water jacket × 1, WinCT-Viscosity × 1, RS-232C cable × 1, serial/USB converter × 1, stand for securing the sensor unit × 1, X-Y-Z stage × 1, positioning stopper × 1, anti-vibration table × 1
*6 The basic model (RV-10000) has no controller section and the sensor plate amplitude can only be altered to eight levels (0.07 / 0.1 / 0.2 / 0.4 / 0.6 / 0.8 / 1.0 / 1.2 mm) by manually pressing a key on the display unit.
*7 When the sample cup (45 ml) is used
*8 Repetitive measurement with the sensor plates remaining in the sample fluid
*9 The value after calibration using a viscosity standard at a temperature range between 20°C and 30°C with no condensation
*10 The unit switches to Pa.s.


Display TFT color LCD with backlight (7 inches, 800 × 480 dots)
Data transmission RS-232C, USB (1.1) × 2 *11
Operating environment 5 to 40 °C (41 to 104 °F), 85% RH or less (no condensation)
Power supply AC adapter
Power consumption Approx. 30 VA
External dimensions 203 (W) × 153 (D) × 58 (H) mm, excluding protrusions
Net weight Approx. 1.1 kg
Standard accessories AC adapter × 1, touch pen with holder × 1, stand attachment × 1
*11 For inserting USB flash drives only (the two slots cannot be used at the same time)


Item Description
AX-SV-31-2.5 Standard liquid for calibration JS2.5 500 ml, with certificate in accordance with JIS Z8809
AX-SV-31-5 Standard liquid for calibration JS5
AX-SV-31-10 Standard liquid for calibration JS10
AX-SV-31-20 Standard liquid for calibration JS20
AX-SV-31-50 Standard liquid for calibration JS50
AX-SV-31-100 Standard liquid for calibration JS100
AX-SV-31-200 Standard liquid for calibration JS200
AX-SV-31-500 Standard liquid for calibration JS500
AX-SV-31-1000 Standard liquid for calibration JS1000
AX-SV-31-2000 Standard liquid for calibration JS2000
AX-SV-31-14000 Standard liquid for calibration JS14000/td>
AX-SV-33 Sample cup, 45 ml, polycarbonate × 10
AX-SV-34 Small sample cup, 10 ml, with cover, polycarbonate × 10
AX-SV-35 Glass sample cup, 13 ml × 1
AX-SV-37 Water jacket × 1, small sample cup with cover × 4
AX-SV-38 Storage container, 60 ml, glass × 10
AX-SV-39 Storage container, 120 ml, plastic × 20
AX-SV-54 Cup set
Sample cup, 45 ml, polycarbonate × 5
Small sample cup, 10 ml, with cover, polycarbonate × 5
Glass sample cup, 13 ml × 2
Glass sample cup holder, stainless steel × 1
Water jacket × 1
AD-8121B Compact printer
AD-1682 Rechargeable battery
AD-1671A Anti-vibration table for viscometers/rheometers
AD-1687 Environment logger


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Optional Accessories


AND AD-1682 Rechargeable Battery Pack
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Data capacity Maximum 10,000 sets (including date and time)
Interval time 1, 2, 5, 10, 15, 20, 30 seconds, 1, 2, 5, 10, 15, 20, 30, 60 minutes
Power supply Two LR6 (AA) batteries, RS-232C, or USB
Battery life Approx. 6 months (with measurement interval at 1 minute, alkaline batteries)
Clock accuracy Maximum ±1 minute/month
Compatible operating systems Windows 2000 / XP / Vista / 7 (32 / 64 bit)
Operating environment 0 to 60 °C / 32 to 140 °F, 85% RH or less (no condensation)
Dimensions 127 (W) × 90 (H) × 36 (D) mm (including the protective cover)
Weight Approx. 275 g (including batteries and the protective cover)
Standard accessories Three RS-232C cables for weighing instruments (9-pin D-Sub, 25-pin D-Sub, and 7-pin DIN, 1 m), USB cable (1 m), Two LR6 (AA) batteries (for operation check), Protective cover, Instruction manual
Sensor Resolution Measurement range Accuracy
Temperature 0.1 °C ,0.1 °F 0.1 °F 0 to 60 °C ,32 to 140 °F 32 to 140 °F ±0.5 °C (20 to 30 °C),±0.9 °F (68 to 86 °F)
Relative humidity 0.1% RH 0 to 100% <±3% (20 to 80%)/td>
Barometric pressure 0.1 hPa 500 to 1100 hPa hPa ±3 hPa (0 to 60 °C)
Vibration 1 mG 0 to 2000 mG ±20%, static acceleration

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