Vibration, Temperature and Humidity in One Coordinated Test System
The DERUI vibration climatic test chamber integrates a climatic enclosure with a compatible electrodynamic shaker or slip table, allowing specimens to be exposed to programmed vibration and temperature—and, where the selected operating envelope permits, humidity—during the same test sequence.
The system is configured around the specimen mass, fixture, vibration profile, chamber interface, thermal load and applicable test method. DERUI reviews both the chamber and shaker requirements before confirming performance, because the achievable acceleration, frequency, temperature change and humidity conditions depend on the complete installed system.
Why Combined Environmental Testing Matters
Separate climate and vibration tests are useful, but they may not reproduce interactions that appear when mechanical and thermal stresses overlap. Temperature can change material stiffness, connector contact resistance and seal behavior; vibration can then expose marginal solder joints, fasteners, harnesses or interfaces under those conditions.
Find interaction failures
Investigate intermittent electrical contact, solder fatigue, connector fretting, fastener loosening, seal movement and structural resonance while the specimen is at a defined climatic condition.
Reproduce an approved profile
Coordinate shaker control, chamber setpoints, specimen operation and monitoring from a documented test plan rather than applying arbitrary maximum stresses.
Improve test evidence
Record acceleration control data alongside chamber temperature, humidity and specimen functional measurements to support engineering review and failure analysis.
Reduce handling between systems
A combined installation can reduce specimen remounting and help preserve fixture, wiring and monitoring arrangements across multi-stage test sequences.
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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
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| Reference | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
|---|---|---|
| IEC 60068-2-64 | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| MIL-STD-810 Method 514 | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits | cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits |
| ISO 16750-3:2023 | Mechanical loads for road-vehicle electrical and electronic equipment | Select conditions for the relevant mounting location and product program |
| ISO 16750-4:2023 | Climatic loads for road-vehicle electrical and electronic equipment | Coordinate the climatic test requirement with the mechanical-load plan only where the product specification calls for it |
For automotive planning, see DERUI’s ISO 16750 automotive electronics testing guide. For aerospace equipment, review the DO-160 and MIL-STD-810 environmental test overview.
Recommended Combined-Test Workflow
- Define the requirementRecord the standard edition, product specification, vibration profile, climate sequence, operating state, axes and acceptance criteria.
- Assess specimen and fixtureCalculate moving mass, review center of gravity and mounting stiffness, and check that fixture resonances will not invalidate control.
- Configure instrumentationIdentify control and response accelerometers, chamber sensors, specimen power, signal monitoring and abort channels.
- Run low-level checksPerform fixture and specimen resonance checks at an appropriate low input before applying the qualification severity.
- Verify climatic stabilizationConfirm specimen temperature and permitted humidity conditions before or during vibration as required by the plan.
- Execute and monitorRecord control, response, chamber and functional data; document any interruption, limiting or out-of-tolerance condition.
- Inspect and reportComplete visual, electrical, mechanical and functional checks using the defined pass/fail criteria.
How to Select the Correct Combined System
Size the shaker from the full moving mass
Include specimen, fixture, armature or head expander and any moving interface. Force alone is insufficient: displacement, velocity, frequency, payload and overturning moment can each become the limiting factor.
Define the usable climatic envelope
Ask for performance at the required specimen heat load and interface arrangement. Extreme temperature, high humidity and rapid change are not necessarily available simultaneously.
Choose the required axes
Confirm whether the test needs vertical excitation, horizontal excitation through a slip table, or specimen reorientation. This affects chamber movement, seals, floor space and installation.
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Request a Combined Environmental System Review
Send the specimen, fixture, vibration profile, climate sequence and laboratory utilities. DERUI will review the shaker, chamber, interface, instrumentation and installation requirements as one coordinated system.
- Vertical shaker and horizontal slip-table configurations
- Customized chamber, ports and specimen monitoring
- Destination voltage and controller-language options
- Factory testing, training and technical documentation
