Resin curing monitor DEA 288

Dielectric Curing Analysis (DEA) is the process of subjecting thermosetting polymer materials to an alternating electric field. By monitoring the changes in ion resistivity of the resin throughout the curing process, DEA tracks the flowability and curing process of the resin, evaluates the curing process, and compares the curing characteristics of different batches of materials. In addition, the dielectric constant obtained from the test reflects the number of dipoles and relaxation characteristics of the resin system, and can also be used for material research. This technology can be applied in many fields such as thermosetting resins, coatings, adhesives, paints, composite materials, electronic materials, etc. It can not only be used for laboratory research and development, but also for online monitoring in production workshops.

Using DEA, it is convenient to monitor the following parameters and their changes of resin during the curing process: fluidity/viscosity changes; Initial solidification point; Gel point; Post curing process. With the unique ionic viscosity curve, this technology can monitor and characterize the curing process of materials in real time, as well as calculate the variation of curing conversion rate with the process.

DEA 288 Ionic is the latest multifunctional dielectric curing monitoring device launched by Nike in 2018. The instrument can be equipped with a furnace or laboratory hot press, and can be tested under various conditions such as heating, cooling, humidity, or ultraviolet light irradiation. With DEA, users can easily and quickly determine the optimal process parameters for material processing.

A complete dielectric analyzer, consisting of two parts: DEA host and sensor. Provide disposable sensors connected to the host through an adapter box. The DEA 288 has two slightly different host options: Portable Version and Industrial Rack Version.

The electronic components of these two hosts are completely identical and can control additional external devices such as laboratory furnaces or laboratory hot presses. The only differences between them are in appearance design, host size, and the maximum number of channels that can be equipped.

DEA 288 Host Version:

DEA 288 Epsilon - Technical Parameters

• Frequency range: 1 mHz... 1 MHz, freely selectable
• Multi channel data acquisition: Each channel is independent, achieving complete synchronization operation
• Minimum data point collection time:<5='' ms=''>
• Sensor connection: 4-wire technology with protection (compensating for the thermal resistance and heat capacity of the wire. This is a prerequisite for achieving accurate measurement)
• Number of DEA modules:
  -Portable version: Full functionality, up to 7 channels
  -Industrial rack version: up to 8 channels (expandable to 16 channels)
• I/O port: Input and output measurement signals, or signals from accessory devices such as temperature or pressure sensors. DEA can be triggered by industrial equipment such as reaction vessels.