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MCR 702e

Full description

Modular compact reometer


MultiDrive
• The high-end rheometer for sophisticated rheological research
• One rheometer, two drive units, all working modes
• Ready for DMA in torsion, tension, bending, or compression mode
• 200+ accessories for endless possibilities in research and development

Space MultiDrive
• The rheometer for sophisticated rheological research and Dynamic Mechanical Analysis
• Maximum working space allows easy combination with additional optical or mechanical setups, e.g. a confocal microscope
• For work in a glovebox, even in inert gas atmosphere

The two high-end models of the new MCR Evolution series, MCR 702e MultiDrive and MCR 702e Space MultiDrive, are the most versatile rheometers available. Alongside all standard rheological test modes they can be equipped with an additional lower drive unit. This means that you can perform rheological tests with two torque transducers and drive units at once – opening up multiple possibilities for your research. There are no limitations regarding the used test modes, measuring systems, accessories, and temperature devices, and no limitations on measurement precision. Additionally, MCR 702e Space MultiDrive provides the maximum working space and thus makes it easy to work with accessories and additional instruments. In short, this is the system of choice to cover all possible rheological applications both now and in the future.

One rheometer, all rheological working modes
The combination of two air-bearing-supported rotational drive units enables you to perform rheological measurements in Combined Motor Transducer (CMT) mode and in Separate Motor Transducer (SMT) mode. Using a single air-bearing-supported EC motor unit in the CMT mode, you can make the most of the motor’s TruStrain™ capability and perform ‘classic’ stress-controlled tests. In the SMT mode one motor is operated solely as a torque transducer, while the other motor is used as a drive unit only, to get the purest rheological results even in the transient regime of the measurement (e.g. stress relaxation, start-up shear) and over a broad range of amplitude and frequency in oscillatory measurements. With all their working modes MCR 702e MultiDrive and MCR 702e Space MultiDrive complete the successful MCR series and contribute to making the MCR rheometers the most cited instruments in scientific rheological investigations.

Push back the limits of material characterization with counter-movement mode
In the counter-movement mode, the reometer employs both air-bearing-supported EC motors as drive units as well as torque transducers. Both motors are easily set to move in opposite directions, which can be used e.g. to create a fixed stagnation plane in a sample for advanced structure analysis of materials under shear using the microscope. This mode is also used with a universal extensional fixture for extensional tests down to minimal measured torques. Regarding speed, the counter-movement mode simply ‘doubles the score’ – up to a maximum speed difference of 6000 rpm which broadens the shear rate range for high shear applications.

Ready for DMA in torsion, tension, bending, compression, and more
Instead of a lower rotational drive, an additional lower linear drive can be used to perform DMA in bending or compression mode using measuring systems such as three-point-bending, cantilever, or parallel plate. Furthermore, in combination with geometries for films, fibers, and rectangular samples the linear drive can be used to perform DMA in tension whereas the upper rotational drive is used for DMA in torsion – both within a single test definition. Additionally, the linear drive is capable of performing thermomechanical analysis, creep and recovery or relaxation tests.

The best now better: The device for applications that were previously unthinkable
The new MCR 702e Space MultiDrive is designed to provide a unique maximized workspace below the rheometer support plate and on both sides of the instrument. This allows not only the easy installation of accessories but also the easy combination with additional external setups suitable for advanced material characterization. For example, MCR 702e Space MultiDrive allows you to combine confocal microscopy and rheology. In addition, the rheometer's separate electronics box makes it now possible to set up the rheometer where space is limited or in a laboratory glovebox, even when using inert gas (nitrogen, argon) atmosphere e.g. for high-temperature measurements on samples with a certain hazard level.

Measure and control the temperature where it matters
Control the greatest influence of all – temperature – by using high-precision temperature control units in combination with Anton Paar’s innovative optoelectronic technology. The technology enables contact-free data transmission based on light emission and the photovoltaic effect to detect the true sample temperature. This enables temperature determination without affecting torque sensitivity in Separate Motor Transducer (SMT) mode and also in counter-movement mode. The sensor is positioned directly in the measuring system very close to the sample (only 1 mm distance) which reduces possible offsets between the sample temperature and the temperature measured at the sensor. This enables the accurate determination of the sample temperature even during step or ramp-like temperature changes.

More than 200 accessories and smart features to fit all of your applications
MCR 702e MultiDrive and MCR 702e Space MultiDrive are ready to be equipped with any measuring system, temperature device, and/or application-specific accessory known from the Anton Paar MCR series in order to carry out standard and sophisticated rheological analyses of your sample. The patented Toolmaster™ feature automatically recognizes and configures all connected devices and measuring systems. Additionally, the QuickConnect function allows one-hand connection of the measuring systems. Both features ensure the highest flexibility and minimum work needed to adapt the configuration to your needs.
Product specification
Model Unit MCR 702e MultiDrive
    MCR 702e Space MultiDrive
Configuration with    1 EC motor  2 EC motors
Bearing design   Air, fine-pored carbon
Motor design   Electronically Commutated (EC) -
     Permanent Magnet Synchronous Motor
Displacement transducer design - High-resolution optical encoder
Normal force measurement design - 360 ° capacitive sensor, non-contacting, fully 
(US Pat. 6167752, 1996)   integrated in bearing
Active thermal management of  - Yes Yes
bearing and normal force sensor      
Working modes - Combined Motor  Separate Motor 
    Transducer (CMT) Transducer (SMT), 
      Counter Movement [1]
Minimum torque (rotation) nNm 1 1
Minimum torque (oscillation) nNm 0.5 [1] 0.5
Maximum torque mNm 230 230
Minimum angular deflection  µrad 0.05 0.05
(set value)      
Maximum angular deflection  µrad
(set value)      
Minimum angular velocity [2] rad/s 0 0
Maximum angular velocity rad/s 314 628
Maximum speed 1/min 3000 6000
Minimum angular frequency [3] rad/s 10 -7 10 -7
Maximum angular frequency [4] rad/s 628 628
Maximum frequency Hz 100 100
Normal force range N -50 to 50 -50 to 50
With Exposed Support Plate - Yes Yes
 (WESP / Space) [5]      
       
Dimensions (W x H x D) mm 444 x 753 x 586 Space 212 x 767 x 554 444 x 753 x 586 Space 212 x 767 x 554
Weight kg 48 Space 51 58 Space 61
Additional Device Features      
Device display with remote control  - Yes Yes
of software (decoupled      
 from measuring sensor for        
mechanical and electromagnetic      
interference prevention)      
Direct strain/stress controller - Yes Yes
TruRate™ / TruStrain™ - Yes Yes
(sample adaptive controller)      
Raw data (LAOS, waveform) - Yes Yes
Normal force profiles (set and read) - Yes Yes
Velocity profiles, tack, squeeze - Yes Yes
Automatic gap control/setting  - Yes Yes
(AGC/AGS)      
Electronic trim lock for measuring  - Yes Yes
geometry      
Fully automatic temperature  - Yes Yes
calibration      
TruGap™ (permanent control - Optional Optional
 of the real measuring gap)      
(US Pat. 6499336, 2000)      
T-Ready™ [6](detection of sample - Yes Yes
 temperature equilibrium time)      
(US Pat. 8904852, 2011)      
Toolmaster™ (measuring  - Yes Yes
geometries and accessories      
, storing of zero-gap)      
(US Pat. 7275419, 2004)      
QuickConnect Coupling for  - Yes Yes
measuring geometries      
(one-hand operation, screwless)      
Trimming mirror (360° blind - Yes Yes
 sample spot prevention)      
Three-point support of device - Yes Yes
(three robust feet for tool-free      
 one hand alignment)      
Three-point support for  - Yes Yes
mounting of measuring cells      
(wobble prevention, no       
misalignment after       
changing of cells)      
Maximum temperature range °C -160 to +1000  -160 to +600 (950[7])
Maximum pressure range bar up to 1000 n/a
Ready for Linear Drive DMA in  - Yes Yes
(DMA in tension, bending and       
compression)       
(US Pat. 9574983, 2015)      
Ready for tribology - Yes Yes
Ready for powder flow and  - Yes Yes
shear rheology      
[1] US Pat. 8453496
[2] In controlled shear stress (CSS) mode. In controlled shear rate (CSR) mode 
depending on measuring point duration and sampling rate.
[3] Theoretical value (duration per cycle = 2 years)
[4] Higher frequencies are possible using multi-wave functionality (942 rad/s (150 Hz) 
or even higher, depending on measuring system and sample)
[5] MCR 702e Space MultiDrive: Unique maximized workspace below the rheometer 
support plate and on both sides of the instrument 
[6] Depending on used temperature device
[7] Customized systems used in CTD 1000
Downloads
MCR702 TD_screen.pdf
Брошюра MCR 702 TwinDrive
mcr - pharma industry.pdf
mcr structure analysis.pdf
Multimedia
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