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Rheometer: MCR 702 MultiDrive

The groundbreaking high-end rheometer in a class of its own 

MCR 702 MultiDrive is the most versatile rheometer suitable to work in all standard test modes known from a rheometer and ready to be equipped with an additional lower drive unit. This modular concept enables MCR 702 MultiDrive to perform rheological tests with two torque transducers and drive units at once – flexible and precise enough to deliver the results you need. There are no limitations regarding the used test modes, suitable measuring systems, accessories, and temperature devices and also regarding measurement precision. In short, this is the system of choice to cover all possible rheological applications.

MCR 702 MultiDrive: Your future-proof rheometer

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Key Features

One rheometer, all working modes

One rheometer, all 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. While other rheometers are limited to one working mode, MCR 702 MultiDrive gives you the choice of all of them.

Counter-movement for advanced characterization

Counter-movement for advanced characterization

In the counter-movement mode, MCR 702 MultiDrive 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 and more

Ready for DMA 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. Find more information about the DMA capabilities here.

The most accurate temperature detection

The most accurate temperature detection

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 most extensive and easy-to-use accessory portfolio

The most extensive and easy-to-use accessory portfolio

MCR 702 MultiDrive is 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 demands.

One software for all demands – multifunctional and user-friendly

One software for all demands – multifunctional and user-friendly

The intuitive RheoCompass™ software helps you to find the predefined or customized test templates you need, customize tests and analysis definitions, and export your data and generate reports. The software offers a broad variety of predefined but individually adaptable analysis methods, e.g. time-temperature superposition, LAOS, transient methods, etc. Use the media explorer to display pictures or videos filmed by connected cameras such as the digital eye camera. As the software uses a Microsoft SQL 2012 database managing and retrieving data is as easy as generating it.

Technical Specifications

Technical Data Unit Configuration with one EC-drive Configuration with two EC-drives
EC motor (brushless DC) with high-resolution optical encoder and air bearing -
Permanent torque (60 min), no signal drift -
Controlled shear rate and shear stress -
IsoLign Piezo flange – Minimum gap size change nm 10 10
Maximum torque mNm 230 230
Minimum torque, rotation nNm 1 5 (SMT)
Minimum torque, oscillation nNm 0.5 1 (SMT)
Angular deflection, set value μrad 0.05 to ∞ 0.05 to ∞
Step rate, time constant ms 5 5
Step strain, time constant ms 1 10
Step rate, time to reach 99 % of set value (independent of sample) ms 30 30
Minimum angular velocity, controlled (1) rad/s 10 -9 10 -9
Maximum angular velocity, controlled rad/s 314 2 x 314
Minimum angular frequency (2) rad/s 10 -7 (3) 10 -7 (3)
Maximum angular frequency rad/s 628 628
Normal force range N 0.005 to 50 0.001 to 50
Toolmaster™, measuring system and measuring cell (wireless detection and transmission of measuring system and calibration parameters) -
QuickConnect for measuring systems, screwless -
Electronic trim lock for the measuring system -
Optoelectronic technology for precise temperature measurements within the lower moving measuring system - o
TruRate™ -
TruStrain™ -
Normal force and velocity profiles, tack, squeeze -
Automatic gap control/setting, AGC/AGS -
Dimensions mm 753 x 444 x 586
Weight kg 47 56

Depending on your application and test mode, MCR 702 MultiDrive can be operated with ...
Direct strain, amplitude controller -
Direct stress, amplitude controller -
Raw data (LAOS, waveform, ...) -
Linear drive (4) - o
Digital eye camera option - o
Maximum temperature range °C -160 to +1000
Pressure range bar up to 1000
Structure analysis (microscope, SALS, SANS, PIV, ...)   o
Additional parameter setting (UV, Magneto- and Electro-Rheological Device, ...)   o
Extended material characterization (Extensional Rheology, Tribology, Powder Rheology, …)   o
Dynamic Mechanical Analysis in Torsion, Tension, Bending and Compression (4)   o
Connections USB, Ethernet, 4 analog interfaces, 2 auxiliary inputs, Pt 100, and thermocouple interfaces

✔ included | o optional

1) Depending on measuring point duration and sampling time practically any value is achieved. 
2) Set frequencies below 10-4 rad/s are of no practical relevance due to the measuring point duration > 1 day. 
3) Theoretical value (duration per cycle = 2 years).
4) Specifications of the linear drive can be found here: Dynamic Mechanical Analyzer: MCR 702 MultiDrive



ASTM D4440
ASTM D4473
ASTM D5279


DIN 53019-1
DIN 53019-2
DIN 51810 Part 1
DIN 51810 Part 2
DIN 54458
DIN 1342 1-3
DIN 13343
DIN 3219


EN 14770
EN 3219


ISO 3219
ISO 6721-1


Ph. Eur. 0132
Ph. Eur. 2.2.8 - Viscosity
Ph. Eur. 2.2.10 - Rotating viscometer method


USP 912 - Rotational Rheometer Methods

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