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Your Universal Testing Environment

The Pressmetrics

The Pressmetrics is a universally applicable test system. It is designed for battery cell casings. It can be used for tests according to UN38.3, IEC 62133, IEC 62660, SAE J2464, and ECE R100. The tests determine the burst pressure of the casing or the burst disk. This is done under realistic conditions.

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Eine Grafik mit 4 Pressmetrics-Maschinen

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What Can the Pressmetrics Do?

Burst tests

urst tests investigate and check the function of the burst membrane. New concepts affect the burst pressure. Examples are top potting as overmolding. Another is cell isolation with lacquer or foil. The Pressmetrics allows constant validation. This is for the continuous development of geometry, materials, and processes.

External pressure Tests

Fluctuating environmental conditions put extra strain on the cell. Immersion cooling with a dielectric fluid is often used in high-performance applications. The thermal fluid transfers pressure and temperature fluctuations directly to the cell. The Pressmetrics simulates these loads. It uses your original cell casing.

Cycling tests

Chemical effects cause material fatigue. Examples are cell swelling or breathing over the lifespan. The cell casing is loaded with air pressure and a swelling pad. This simulates the forces and pressures from the real product life cycle. A subsequent burst test provides information. It shows if the burst disk still functions after many charging cycles.

Module-Like Testing Enviroment

Several cells are combined in a module. The Pressmetrics clamping fixture simulates the module's clamping forces, force introduction points, and stiffnesses. Multiple cells are arranged and installed as in a module. This examines their mutual influence. An additional benefit is that the clamping fixture is suitable for vibration tests.
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Experience the Pressmetrics

The Pressmetrics

The Pressmetrics can be visited in our test lab. This is located in Friedberg near Augsburg.

Pressmetrics mit geschlossenen Klappen Pressmetrics mit offenen Klappen

FAQ

How does a Burst Test work with the Pressmetrics?

The test object is connected to the Pressmetrics. After the test starts, the pressure inside the test object is steadily increased. This happens with an adjustable ramp. The test object bursts when the pressure suddenly drops. The entire process is documented. This is done by the integrated measurement data recording. All intermediate values are also recorded, not just the final result.

How does a cycling test work with Pressmetric?

The test object is connected to the Pressmetrics. The desired pressure cycle is programmed. The number of repetitions is also set. For example, the test object can be stressed. This can be a sinusoidal pressure profile between 1 barg and 2.2 barg. The cycle  time can be 60 s over 100,000 cycles. The test duration and end time are displayed after the test starts.

Which tests can I do with Pressmetrics?

The Pressmetrics specializes in applying a freely programmable compressed air curve to test objects. All conceivable pressure conditions can be simulated. This includes simple ramps. It covers trapezoidal or saw-tooth profiles. It also includes sinusoidal pressure profiles. This loads the test object realistically.

Can I expand Pressmetrics?

Yes. The Pressmetrics can be adapted to different designs of test objects. We are happy to develop a version specifically tailored to your requirements.

Can I test more than Battery Cells in the Pressmetrics?

Yes. The Pressmetrics was originally developed for battery cell casings. However, it can test any type of casing that is subjected to internal pressure.

What do I need to operate Pressmetrics?

The Pressmetrics requires a standard 230 V power connection. It also needs a compressed air supply. The consumption of power and air depends on the selected test parameters.

Our team is ready to assist you. We look forward to your inquiry.
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