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Address
Chu Yi Measurement and Control, 8th Floor, Building 3, Changsha Medical and Health Industry Park, No. 1048 Zhongqing Road, Kaifu District, Changsha City, Hunan Province
Hunan Chuyi Electromechanical Co., Ltd
Chu Yi Measurement and Control, 8th Floor, Building 3, Changsha Medical and Health Industry Park, No. 1048 Zhongqing Road, Kaifu District, Changsha City, Hunan Province
Product Introduction
The control of DMSO concentration in carbon fiber coagulation bath has always been a focus of attention for production enterprises. Excessive or insufficient concentration can lead to structural defects in the precursor fibers, ultimately affecting the mechanical properties of carbon fibers. Many companies are still using manual timed sampling and laboratory refractometer readings, which have the following pain points:
Sampling and obtaining results takes more than 30 minutes, during which production continues. When deviations are discovered, a large number of non-conforming products have already been produced.
The concentration distribution in the coagulation bath is uneven, and the results vary greatly depending on the sampling location.
The manual operation is affected by the environment and proficiency, resulting in poor data consistency.
Unable to achieve automatic closed-loop adjustment, adding DMSO or water depends entirely on experience.
Online DMSO concentration meterProvided a complete solution. The instrument can be directly installed on the coagulation bath circulation pipeline to detect the concentration of DMSO solution in real time, and transmit the data to the central control system in 4-20mA or RS485 signals.
Product Advantages
Fast response: Multiple measurements per second, adjustable output refresh rate, and immediate capture of concentration fluctuations.
High precision: The concentration measurement accuracy can reach ± 0.1%, with a resolution of 0.01%, meeting the requirements of carbon fiber production process.
Stable and reliable: There are no moving parts during the detection process, and the sapphire prism has high hardness, scratch resistance, and is suitable for liquids containing impurities.
Automatic temperature compensation: Equipped with a built-in temperature sensor to eliminate the impact of temperature changes on refractive index.
Easy integration: Standard analog and digital communication interfaces seamlessly integrate with existing control systems.
Flexible installation methodSupports thread, flange, and chuck connections. The automatic cleaning function can set the cleaning cycle according to the on-site situation, ensuring that long-term measurements do not drift.
technical parameters
Product Model |
CYR-G-DMSO |
measurement project |
Refractive index, temperature, concentration |
measurement range |
0 - 50% |
resolution |
0.01% |
measurement accuracy |
± 0.1% |
measure temperature |
-20 to 100 ℃ |
temperature compensation |
0-100°C |
Process temperature |
-20°C up to +100°C |
prism material |
Optical grade sapphire |
Liquid contact material |
316L optional: Hastelloy C-276, 2205, 20 alloy, titanium, tantalum, etc |
input power |
DC24V |
signal output |
DC4 to 20mA&RS485; 2-channel switch signal output |
protection level |
IP65 |
Process pressure |
≤ 1 MPa (10 Bar), higher pressure levels can be customized |
Size and Weight |
¢ 109 * 138mm/approximately 1.87KG |
Cleaning options |
Optional automatic cleaning component |
Installation Options |
Chuck, flange pipe adapter, small diameter adapter, material: 304, 316L, 2205, PP or steel lined fluorine |
Other functions |
The operation panel can view data such as concentration, temperature, refractive index, etc., and supports functions such as fault code prompt, one click zero calibration, and factory reset |


