The helium leak tester is used for the sealing test of the battery after top cover welding. The testing method is the vacuum helium leak detection method (a certain amount of helium gas is first injected into the battery, and the leak rate of helium over a specified period is measured to determine the sealing integrity of the battery after top cover welding).
Technical Parameters |
Advantageous Metrics |
Vacuum level in the sealing chamber during detection |
≤40Pa; |
Vacuum pump |
Ultimate vacuum level ≤ 5 Pa, pumping speed ≥ 250 L/min, vacuum pumping time ≤ 8 s |
Helium leak rate |
<3.3*10-7Pa*m3/s |
Helium leak detector display leak rate range |
1.0*10-12 1.0*10-3Pa*m3/s |
Leak detector display range |
1×10-13~1×10-3Pa·m3/s |
Minimum detectable leak rate |
5×10-13Pa·m3/s |
Maximum pressure at the leak detection port |
1500Pa |
Vacuum leak rate |
Vacuum chamber pumped to 20 Pa, hold for 2 minutes, with leak rate ≤ 50 Pa/min during the next 1 minute |
Advantages: - Helium leak rate < 3.3 × 10^-7 Pa·m³/s, with the minimum detectable leak rate reaching 5 × 10^-13 Pa·m³/s, low false positive rate, no missed leaks, and overkill rate ≤ 0.5%, ensuring accurate and reliable test results. - Excellent equipment performance: Good indicators for chamber surface roughness, vacuum pumping leak rate, and other metrics. Stable performance of the vacuum pump and helium injection nozzle, long cleaning cycle and service life of the sealing rings, strong durability, and low maintenance costs. - Comprehensive automation: Fully automatic functions for loading and unloading, helium leak detection, helium removal, and NG product isolation, improving production efficiency and consistency in testing.

Dongguan Pengjin Machinery Technology Co., Ltd.(Referred to as"PengjinTechnology") is a national high-tech enterprise specializingin professional equipment solutions for the new energy recycling economy.Our primary offerings include NMP recycling equipment, NMP distillation equipment,coating machines, and more.
Committed to innovation, Pengjin Technology holds 13 invention patentsand over 50 utility model patents. Our team of nearly 1, 000 employees,with around 20% dedicated to research and development, ensures continuous technological advancement.
Headquartered in Dongguan, Guangdong, Pengjin Technology operatesmultiple wholly-owned and holding subsidiaries, with two advanced pro.duction bases strategically located in Huizhou, Guangdong, and Jiaxing.Zhejiang.
With over a decade of experience, Pengjin Technology has been a leadei in the new energy lithium battery equipment industry. Our clientele includes renowned companies such as BYD, CATL, SVOLT, SUNWODA EVE, GAC Group, GEELY Group, DESAY, and other key power battery sector suppliers. In the energy storage battery domain, we proudly serveas a trusted supplier for industry leaders like AMER Group, HUAWEl, and HTHIUM.
Pengjin Technology's global presence includes collaborations with top-tier international enterprises such as Germany Volkswagen, show casing our commitment to contributing cutting-edge equipment to the global new energy industry .
At Pengjin Technology, our mission is to drive the development of the new energy circular economy through technology. We are dedicated to advancing the new energy industry, fostering technological innovation providing exceptional customer service, and empowering our valued employees.



FAQ
Q1.Are you a manufacturer? Where is the factory located?
A1. We have factories and offices in both Guangdong and Zhejiang Dongguan Pengiin Machinery Technology Co., Ltd., Huizhou Pengiin Intelligent Equipment Co., Ltd., Zhejiang Kunxiu Technology Co., Ltd ,Welcome to visit our company and factory. We are a professiona manufacturer and have passed the lSO series certification.
Q2. Do you all have overseas branches and warehouses?
A2. Yes, we have established branches in Hong Kong, Malaysia, and Hungary to meet the needs of our customers.
Q3.Do you have overseas after-sales service capabilities?
A3. Yes, our overseas after-sales service covers North America, Hungary India,Thailand,Malaysia,and South Korea.
Q4.What does your service scope include?
A4. All of our equipment can be delivered according to a turnkey project including mechanical design,production.transportation.on-site installation and commissioning, production support, and after-sales service.The specific content can be determined according to your needs.
Q5.Do you only provide equipment/materials?
A5.Of course not.We not only serve as suppliers ofequipment/materials but also provide relevant process technology solutions and project technical consulting services to ensure that customers can smoothly carry out production work after receiving equipment and materials.
Q6. Will there be any difficulties if we are using this device for the first time?
A6. The file package contains instructional videos and English operation manuals demonstrating how to use the machine; lf you still have any questions, we will provide you with a free professional online guide unti you can use the machine well.
Q7.lf the device malfunctions, will you provide repair services?
A7.Yes, many ofour machines have remote troubleshooting capabilities which we can solve through remote control and video guidance,Regarding common issues, we have professional guidelines to guide on how to replace parts. For countries covered by our after-sales service,local teams will also provide repairs for you.
Q8.ls your equipment fully automated?
A8.Almost all devices can be equipped with full automation, but they can also be designed in manual, semi-automatic, and fully automatic modes according to your specific needs.
Q9. Which payment methods you support?
A9.Our company supports L/C, T/T payment.