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  5. Leak Testing Equipment
  6. Air Leak Tester for Small Sealed Works Semi-Automatic Model LZ-R155

Air Leak Tester for Small Sealed Works Semi-Automatic Model LZ-R155

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LZ-R155

last updated:Oct 20, 2026

コスモ計器
コスモ計器
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All-in-one tester for leak test of small sealed works

Ideal for waterproof test of parts and finished products that require IP ratings. By just setting the work, the internal clamping mechanism automatically clamps and seals the work for leak testing. This tabletop tester can be used in various situations. It is smaller, lighter and easier to use than previous models.

    Testing Equipment and DevicesLeak Testing Equipment
LZ-R155.png

Air Leak Tester for Small Sealed Works Semi-Automatic Model LZ-R155

LZ-R155.png
LZ-R155.png
  • Related Link - https://www.cosmo-k.co.jp/products/air-leak-tester…
  • Special site - Product/service details - https://pr.mono.ipros.com/cosmo/product/

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【Features】 Low running cost: Uses clean air. No need for pre- and post-test processing such as drying. Suitable for a wide variety of works: The capsule is replaceable, so the tester can be used for a wide variety of works. Gross leak test: Testing electronic components in combination with a helium detector achieves leak testing without dead zones. Judgment lamp: Check the test results with the easy-to-see lamp. High performance Differential Pressure Sensor: High-performance DPS and AD converter realize a DP resolution of 0.1 Pa. High-durability air valves: Dedicated air valves for Air Leak Testers ensure stable measurement and durability. Multiple Channels: 32 channels can be set, each with its own settings. Ideal for the production of many types of works in small quantities. RS-232C output: Capture data to PC while testing.

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Camera Smartphone Electronic components etc.

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Air Leak Tester for Small Sealed Products Semi-Automatic Model LZ-R155

Air Leak Tester for Small Sealed Products Semi-Automatic Model LZ-R155

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コスモ計器

コスモ計器

Testing, Analysis and Measurement

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Cosmo’s Air Leak Testers began with the automation of cylinder block airtightness tests for engines in 1970. Our products are utilized in various fields including automotive parts, gas, water supply, medical, electrical, electronics, and food. In line with the overseas expansion of Japanese automakers, we began our own overseas expansion in 1983. We now have 24 sales and service offices in 13 countries. We are offering proposals and providing after-sales services overseas as in Japan. Currently, in order to support the electrification of automobiles, our products are being used for leak testing of parts for electrification such as battery cases and inverters as well as for fitting testing of electric power connectors. We are contributing to the efforts by our customers to prevent emissions of CO2. In various regions of South and Southeast Asia, we are donating pressure measuring equipment to technical schools to improve the quality of education and exchange technologies with local machinery manufacturers. We have been making every effort to help improve the industrial base through local manufacturing of high-quality leak testing equipment.

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