Name: Vibration Climatic Test Chamber | Combined Testing | DERUI
Brand: Derui
Author: 先生 刘

Combined Environmental Testing

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.

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Combined StressesVibration with temperature and configurable humidity

ExcitationSine, random and classical shock as configured

InterfacesVertical shaker or horizontal slip-table integration

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limitsMatched to specimen, fixture and test profile

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.

Important boundary: a standard that contains vibration and climatic tests does not automatically require both stresses to run simultaneously. The product specification, qualification plan or customer procedure must define whether the stresses are sequential or combined.

How the Chamber and Shaker Work Together

DERUI vibration climatic test chamber integrated with an electrodynamic shaker — Combined environmental system; the final chamber and shaker arrangement is selected for the required excitation axis and specimen.

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Reference	Primary purpose	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
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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
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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

Not universal combined-test standards: ASTM D4169 and ISTA procedures primarily address distribution and packaged-product testing. They should not be advertised as proof that a vibration climatic chamber automatically performs simultaneous temperature, humidity and vibration unless the exact project procedure requires and defines that combination.

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

Vibration climatic chamber fixture and specimen test setup — Fixture dynamics, cable routing and chamber-interface sealing are reviewed before the full combined profile is run.

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.

Plan cables and services

Power, data, cooling, pneumatic and fluid connections must tolerate vibration and temperature while preserving chamber sealing and fixture freedom.

Define control and abort logic

Specify averaging, notching or force limiting only where the test plan permits it. Establish acceleration, displacement, temperature and specimen-response abort limits before the run.

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Applications typiques

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DERUI combined vibration temperature humidity chamber system — 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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DERUI provides a one-year whole-machine warranty, lifetime technical consultation, remote video guidance and operator training. Overseas installation can be arranged as a separately quoted service, and spare-parts support is available for up to ten years.