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Häufige Fallstricke bei der Auswahl einer Begehkammer: Sind Sie in diese Fallen getappt?

  • Lösungen für die Industrie, Nachrichten
Geschrieben von Shirley
Produktmanager, Doaho Test (DHT®)
When a company invests in a begehbare Testkammer for the first time—whether to support R&D or production testing—the engineering team is often optimistic, expecting significant improvements in testing efficiency and reliability.
But once the system is up and running, that optimism can quickly fade. Unexpected challenges begin to emerge: the chamber doesn’t fit well within the lab layout, compromising space utilization; temperature and humidity control fall short of spec, leading to inconsistent test data; maintenance proves more complex than anticipated, and operating costs far exceed the original budget.
While these issues may seem unrelated, they usually stem from one root cause: critical missteps during the selection process. In this article, we’ll explore the most common selection mistakes and show you how to avoid them—so your next investment delivers the performance you expect, without the surprises you don’t.
Test Chamber Manufacturing Facility of Doaho Test Equipment Co., Ltd.

Pitfall 1: Prioritizing Chamber Size While Ignoring Lab Compatibility

Many procurement decisions are driven by the assumption that “bigger is better.” A larger walk-in chamber is often believed to cover more test scenarios. However, larger units typically demand more power, more complex ventilation infrastructure, and more physical space for installation. If the lab environment is not carefully evaluated in advance, such purchases may lead to cramped layouts, rising energy bills, and reduced overall efficiency—hidden costs that erode long-term ROI.

Pitfall 2: Believing a “Universal System” Solves Everything

While modern walk-in environmental chambers offer multi-parameter, multi-condition simulation, so-called “all-in-one” systems tend to be complex by design and costly to maintain. In practice, many users only utilize a small subset of the available functions, resulting in underused features and wasted investment. Matching the chamber’s capabilities to your actual testing needs—not overconfiguring—is key to optimizing both performance and budget.

Pitfall 3: Overlooking Future Expansion and System Flexibility

As a key component of laboratory infrastructure, walk-in chambers are long-term assets. Yet many purchases focus solely on current requirements, without leaving room for future growth or evolving standards. Systems without modularity or upgrade compatibility may become obsolete quickly, forcing costly reinvestment. Choosing a chamber with flexible configuration options ensures it can evolve alongside your testing demands.

Pitfall 4: Underestimating the Value of After-Sales Service and Maintenance

While hardware specifications matter, the long-term performance of a walk-in chamber relies heavily on service quality and technical support. These systems are complex, requiring specialized maintenance and long service cycles. Inadequate after-sales support leads to longer downtimes, delays in R&D timelines, and even greater financial losses. Working with a supplier that offers fast response times and professional support is essential to maintaining test continuity and operational efficiency.

Pitfall 5: Neglecting Data Management and System Integration

Environmental testing today goes far beyond simulating temperature and humidity—it demands precise data acquisition, traceability, and integration. Chambers that lack compatibility with Laboratory Information Management Systems (LIMS) or automation frameworks limit your ability to digitize workflows and modernize test operations. Open protocols and interoperability are becoming critical features for future-ready test labs focused on data intelligence and connectivity.

What Do These Pitfalls Really Cost You?

  • Extended testing cycles and delayed product timelines Inaccurate configurations lead to repeated adjustments and slower development.
  • Inconsistent test results and poor data reliability Inadequate control or incomplete data capture compromises test repeatability and credibility.
  • Disorganized lab layout and low space utilization Poorly matched equipment disrupts workflow and resource efficiency.
  • Surging maintenance costs and budget overruns Frequent breakdowns and complex upkeep increase both manpower and financial burdens.
  • Inability to meet future test standards Non-upgradable systems limit your capacity for innovation and scalability.

How to Choose the Right Walk-in Chamber? Three Core Principles

Definieren Sie ein klares Testanforderungsprofil

Clarify your sample size, weight, environmental conditions, test complexity, and usage frequency. This helps you avoid over-purchasing and ensures the chamber aligns precisely with your actual needs.

Match Equipment to Your Lab’s Physical Conditions

Assess space availability, power supply, HVAC setup, and infrastructure before making a decision. Select a chamber whose specs fit your site environment to ensure long-term stability and efficiency.

Plan for the Future with Scalable and Integratable Design

Prioritize modular systems with upgrade options and compatibility with mainstream management platforms. This ensures your testing capacity grows with your business and supports automation and digital transformation.

Why Choose a DHT® Walk-in Environmental Chamber?

Begehbare und befahrbare Umweltprüfkammern

Opting for a DHT® begehbare Kammer means striking the right balance between performance and cost-efficiency.
  • Built with German engineering standards and locally manufactured, DHT chambers offer a wide temperature range from -70°C to +80°C and humidity control from 20% to 98% RH. With precise temperature uniformity (±2°C) and fluctuation (≤±0.5°C), they meet the demanding needs of industries such as aerospace, automotive, and new energy.
  • Robuste structural design supports on-site assembly and custom expansion (such as integration with vibration tables), improving test versatility. The European-imported touchscreen control system supports real-time data logging, remote monitoring, and fault diagnostics—making operation intuitive and data traceable.
  • Energieeffizienz is built-in, thanks to vacuum-insulated windows, eco-friendly refrigerants, and a modular system architecture that reduces operational costs and aligns with green manufacturing goals.
  • With a nationwide service network and flexible customization, DHT® provides rapid response and tailored solutions—cutting costs by 15–20% compared to imported brands, while maintaining CE certification for global market access.

Final Thoughts: Make Smarter Choices, Build Stronger Capabilities

A walk-in environmental chamber is more than just a piece of equipment—it’s the cornerstone of your testing ecosystem. Selection should go beyond spec sheets, rooted instead in a deep understanding of your testing objectives, laboratory context, and strategic growth. By avoiding common pitfalls and taking a systematic, forward-thinking approach, your chamber can become a powerful enabler of innovation and competitive edge.
In today’s competitive landscape, a well-informed equipment decision is like giving your R&D team a sharper vision of the future—ensuring accuracy, agility, and sustained excellence.

Leute fragen auch

Was verursacht inkonsistente Ergebnisse bei thermischen Schocktests, selbst bei Verwendung einer kalibrierten Kammer?
Inkonsistente Ergebnisse resultieren oft aus versteckten thermischen Gradienten innerhalb der Probe und nicht aus einer Fehlfunktion der Kammer. Während sich die Kammerluft schnell stabilisieren kann, bleibt die Innentemperatur von dichten oder komplexen Proben zurück und verursacht ungleichmäßigen thermischen Stress. Dies kann zu Mikrorissen oder Lötstellenversagen führen, die Standardsensoren nicht erfassen. Um dies zu vermeiden, verwenden Sie eingebaute Thermoelemente oder Infrarot-Thermografie, um Kerntemperaturen zu überwachen und die Übertragungszeit entsprechend anzupassen.

Wie oft sollte eine Thermoschockkammer kalibriert und gewartet werden?
Aufgrund der hochfrequenten thermischen Zyklen zwischen extremen Temperaturen verschlechtern sich Komponenten wie Sensoren, Dichtungen und Kühlsysteme im Laufe der Zeit. Es wird empfohlen, Temperatursensoren alle 6 bis 12 Monate zu kalibrieren und einen vorbeugenden Wartungsplan umzusetzen, der das Überprüfen von Dichtungen, Reinigen von Spulen und Überwachen von Systemdiagnosen umfasst. Fortschrittliche Kammern, wie die von DHT®, verfügen über Selbstdiagnosesysteme und Auto-Kalibrierungsfunktionen, um Ausfallzeiten zu reduzieren und langfristige Zuverlässigkeit zu gewährleisten.

Kann ein Modell einer thermischen Schockkammer alle Industriestandards erfüllen (z.B. IEC, MIL-STD, GB/T)?
Nicht unbedingt. Während viele Kammern einen großen Temperaturbereich und schnelle Übergangsgeschwindigkeiten unterstützen, haben Standards wie IEC 60068, MIL-STD-883 und GB/T 2423.22 nuancierte Unterschiede bei den Transferzeitgrenzen, Wiederherstellungsdauern und Anforderungen an die Verweilzeit. Um die Konformität sicherzustellen, wählen Sie eine Kammer mit programmierbaren Profilen und konsultieren Sie den Hersteller (wie z.B. DHT®) für eine maßgeschneiderte Konfiguration, die auf Ihre spezifischen Zertifizierungsbedürfnisse abgestimmt ist.

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