GDW-010 High-Low Temperature Alternating Environmental Test Chamber
| (Origin | Zhejiang, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | GDW-010 |
| Pricing | Available Upon Request) |
| [Working Chamber Dimensions | 400 × 500 × 500 mm |
| Temperature Range | −20 °C / −40 °C / −60 °C to 100 °C / 150 °C / 200 °C (configurable variants) |
| Temperature Uniformity | ±2 °C |
| Temperature Stability (Fluctuation) | ±0.5 °C |
| Ramp Rate | 0.7–1.0 °C/min |
| Interior Material | SUS304 brushed stainless steel |
| Exterior Material | Powder-coated carbon steel |
| Control System | PID-based digital touchscreen controller (RKC or Fuji optional) |
| Sensor | PT100 platinum resistance thermometer |
| Compressor | Hermetic French Tecumseh unit |
| Refrigeration Components | Imported OEM parts |
| Viewing Window | Tempered, conductive, low-temperature-resistant double-glazed glass with interior lighting |
| Cable Port | One Φ50 mm feedthrough (imported seal) |
| Safety Protections | Over-temperature, over-pressure, phase failure/reversal, overload, and earth leakage detection] |
Overview
The GDW-010 High-Low Temperature Alternating Environmental Test Chamber is a precision-engineered climatic simulation system designed for rigorous thermal stress evaluation of industrial components and materials under controlled, repeatable conditions. Based on forced-air convection and dual-stage refrigeration architecture, the chamber delivers stable and uniform temperature profiles across its working volume—enabling standardized environmental qualification per international test protocols. Its operational principle relies on closed-loop PID control of heating (via stainless-steel sheathed resistive elements) and cooling (via vapor-compression cycle using R404A or R507 refrigerant), with real-time compensation for thermal load inertia and ambient fluctuations. The GDW-010 serves as a foundational platform for reliability validation in aerospace component certification, automotive ECUs qualification, consumer electronics durability testing, and material aging studies—particularly where sequential or sustained exposure to extreme thermal gradients is required.
Key Features
- Configurable temperature range spanning −60 °C to +200 °C, supporting both single-point steady-state and dynamic alternating profiles (e.g., cycling between −40 °C and +85 °C per MIL-STD-810H Method 502.7)
- High-fidelity thermal stability: ±0.5 °C fluctuation and ±2 °C uniformity across the full 0.1 m³ working chamber (400 × 500 × 500 mm), verified per IEC 60068-3-5
- Robust mechanical construction: Interior lined with electropolished SUS304 stainless steel; exterior finished with corrosion-resistant epoxy powder coating
- Industrial-grade control architecture featuring programmable PID logic, ramp/soak capability, and data logging via RS485 or Ethernet interface
- Redundant safety subsystems including independent over-temperature cutoff, high-pressure switch, phase monitoring relay, and residual-current circuit breaker
- Optimized thermal management: Low-emissivity conductive viewing window with integrated LED illumination and anti-fog heating; sealed Φ50 mm cable port with silicone gasket for external instrumentation interfacing
Sample Compatibility & Compliance
The GDW-010 accommodates samples up to 35 kg (static load) and supports non-destructive in-situ monitoring via external sensors or powered leads. It is fully compliant with major environmental test standards including GB/T 2423.1 (cold test), GB/T 2423.2 (dry heat test), GB/T 10592 (chamber performance specification), GJB 150.3A (low-temperature), GJB 150.4A (high-temperature), IEC 60068-2-1 (Test A), IEC 60068-2-2 (Test B), and MIL-STD-810G Method 502.6. While not inherently 21 CFR Part 11 compliant, its optional data logger module supports audit-ready timestamped records suitable for GLP/GMP-aligned quality systems when paired with validated software and procedural controls.
Software & Data Management
The standard controller provides local program storage (up to 100 segments), real-time curve display, and manual parameter override. Optional PC-based software enables remote supervision, multi-chamber synchronization, automated report generation (PDF/CSV), and integration into enterprise LIMS or MES environments. All temperature readings derive from traceable PT100 Class A sensors calibrated per ISO/IEC 17025 requirements. Data integrity safeguards include write-protected memory, cyclic redundancy checksums, and configurable alarm escalation (email/SMS via gateway add-on).
Applications
- Pre-qualification screening of printed circuit boards (PCBs) and automotive ADAS modules per AEC-Q200 thermal cycling requirements
- Accelerated life testing of polymer seals, elastomers, and battery electrolytes under thermal shock conditions
- Validation of thermal expansion coefficients and dimensional stability in optical assemblies and metrology fixtures
- Environmental stress screening (ESS) of military-grade avionics prior to HALT/HASS campaigns
- Material compatibility assessment for packaging systems exposed to cold-chain logistics or desert deployment scenarios
FAQ
What temperature ramp rates are achievable across the full operating range?
The GDW-010 achieves 0.7–1.0 °C/min under no-load conditions, with rate consistency maintained within ±10% across −40 °C to +150 °C per GB/T 2423.22.
Can the chamber be integrated into an automated test cell?
Yes—standard Modbus RTU (RS485) and optional Ethernet/IP or ProfiNet interfaces support PLC-level orchestration and SCADA integration.
Is third-party calibration documentation provided with shipment?
A factory calibration certificate (traceable to NIM, China) is included; ISO/IEC 17025-accredited field calibration services are available upon request.
What refrigerant is used, and is it compliant with current F-gas regulations?
Units shipped after 2023 utilize R507A—azeotropic blend compliant with EU F-Gas Regulation (EU) No 517/2014 Annex III, with GWP = 3985.
Does the system support humidity control?
No—the GDW-010 is a dry-temperature-only chamber; for combined temperature/humidity testing, consider the companion model GDJS-010 series.
