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E-mail
marketing@gassensor.com.cn
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Phone
13296672587
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Address
No. 3 Fenghuangyuan 3rd Road, Fenghuangyuan Industrial Park, Donghu New Technology Development Zone, Wuhan City
Sifang Optoelectronics Co., Ltd
Less maintenance, more authentic data: the ultimate answer to dew point monitoring in lithium battery workshops
Date: 2025-11-19Read: 4
The winter is gradually intensifying, and the dry and cold air can already be felt by the skin. However, in the cutting-edge field of lithium battery manufacturing, the demand for "dryness" in the workshop dew point has already exceeded the realm of physical perception, and must rely on a reliable scientific ruler - dew point sensors.
The current mainstream capacitive dew point sensors, whose core thin film polymer is actually a consumable, face severe challenges in terms of service life, anti-interference ability, and long-term stability (see "Humidity Detective" in the lithium battery workshop: The Science Behind Dew Point Control).
-So, what standards does a high-quality dew point sensor need to meet?
-The answer is:Accurate and long-lasting.
The four party photoelectric laser dew point sensor Gasboard-2503-H ₂ O has established an industry benchmark through dedicated research in these two dimensions.
01precise
•High precision and strong anti-interference, dual core protection for ultimate dryness•
•High precision and strong anti-interference, dual core protection for ultimate dryness•
In the lithium battery workshop, the dew point sensor needs to meet the core requirements of high accuracy and strong anti-interference at the same time: it not only needs to ensure accurate measurement at a dew point of -70 ℃~-30 ℃, but also effectively resist the influence of interfering gases such as VOC and HF.
The Four party Optoelectronic Dew Point Sensor is based on the TDLAS principle, which directly measures the water molecule content by detecting the absorption spectrum of water molecules at a specific wavelength (such as 1392 nm), maintaining high accuracy while also having extremely high selectivity and anti-interference ability.
This "accuracy" is an absolute prerequisite for building a "dry" production environment, and it is also a reliability and safety gene injected into every lithium battery, fundamentally safeguarding product quality.
02long-acting
•Long lifespan and excellent stability, safeguarding continuous production •
•Long lifespan and excellent stability, safeguarding continuous production •
The lithium battery production line operates continuously 24 hours a day, and the lifespan and stability of the equipment are directly related to the benefits and risks. If the accuracy of the sensor deteriorates or its lifespan is short, it not only increases the direct cost of repeated procurement and maintenance, but also causes data distortion, which can lead to huge decision-making risks and become a "ticking time bomb" in production.
The Four party Optoelectronic Laser Dew Point Sensor adopts the "non consumable" optical detection principle, and there is no chemical reaction or physical change during the detection process, which theoretically avoids performance degradation caused by the consumption or aging of sensitive materials.
'Long term' means longer lifespan, less intervention, and lower maintenance costs. With the simple calibration operation, users can quickly complete it without professional background, saving time and effort.
Today, as lithium battery manufacturing moves towards the TWh era, the pursuit of every detail in the production environment is the key to winning market competition. The Gasboard-2503-H ₂ O dew point sensor from Sifang Optoelectronics meets the core requirements of dew point monitoring in the lithium battery industry with its excellent performance of "accurate measurement like a scale and long-lasting operation like a clock".
Editor: Yimo
Proofreading: Daniel
Reviewed by: Xiao Jinhua