High-Low Temperature Alternating Environmental Test Chamber GDW-010
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | PRC |
| Model | GDW-010 |
| Price | USD 5,300 (FOB Jiangsu) |
| Internal Chamber Dimensions | 1000 × 1000 × 1000 mm (W × H × D) |
| Temperature Range Options | −80 °C to +150 °C (standard), up to +200 °C (optional high-temp configuration) |
| Temperature Uniformity | ≤ ±2 °C (unloaded) |
| Temperature Fluctuation | ±0.5 °C (unloaded) |
| Temperature Deviation | ≤ ±2 °C |
| Ramp Rate | 0.7–1.0 °C/min (typical, dependent on setpoint and load) |
| Timer Range | 0–9999 hours |
| Power Supply | AC 380 V, 3-phase, 50/60 Hz |
| Exterior | Precision CNC-machined A3 carbon steel with electrostatic epoxy powder coating |
| Interior | SUS304 stainless steel |
| Controller | Imported Japanese PID-based digital temperature controller |
| Refrigeration Compressor | Tecumseh (France-manufactured “Tecumseh” brand, distributed under OEM agreement) |
| Safety Protections | Over-temperature, over-pressure, compressor overload, phase failure, and short-circuit protection |
| Ambient Operating Environment | 15–35 °C, ≤85% RH non-condensing |
Overview
The GDW-010 High-Low Temperature Alternating Environmental Test Chamber is an industrial-grade thermal stress testing system engineered for precise, repeatable simulation of extreme ambient conditions across extended operational cycles. Based on forced-air convection and dual-circuit refrigeration-heating architecture, the chamber delivers controlled thermal profiles compliant with international environmental stress screening (ESS) protocols—including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and MIL-STD-810H Method 502.7 (temperature cycling). Its 1 m³ internal volume (1000 × 1000 × 1000 mm) accommodates full-size electronic enclosures, automotive control units, aerospace subassemblies, and large-scale polymer components—enabling validation of dimensional stability, material embrittlement, solder joint integrity, and seal performance under sustained or cyclic thermal loads.
Key Features
- Independent heating and cooling circuits minimize cross-interference, improve energy efficiency, and extend system service life while reducing mean time between failures (MTBF).
- Imported Japanese PID temperature controller with real-time deviation compensation, programmable ramp/soak profiles, and intuitive touchscreen interface supporting multi-segment scheduling.
- Robust thermal insulation using high-density polyurethane foam (≥100 mm thickness, closed-cell structure) ensures low thermal leakage and stable chamber wall surface temperatures during operation.
- Triple-layer insulated observation window with electrically heated anti-fog coating enables continuous visual monitoring without compromising thermal integrity.
- Integrated 50 mm diameter cable port with silicone gasket and clamping collar supports external sensor feedthrough, power supply routing, or data acquisition line integration—fully compatible with third-party DAQ systems.
- Comprehensive safety architecture includes dual-stage over-temperature cutoffs (mechanical and electronic), high-pressure cutout for refrigerant circuit, motor overload protection, and phase-loss detection—all logged in non-volatile memory.
Sample Compatibility & Compliance
The GDW-010 accepts samples up to 800 × 800 × 800 mm (L × W × H) with maximum mass loading of 150 kg. It supports static and dynamic thermal cycling per ISO 16750-4 (road vehicles), JEDEC JESD22-A104 (temperature cycling for semiconductors), and ASTM D3418 (thermal transitions of polymers). Chamber construction meets IP20 ingress protection rating and conforms to EN 61000-6-2 (immunity) and EN 61000-6-4 (emission) for EMC compliance. All electrical components are rated for industrial environments per UL 61010-1 and CE Machinery Directive 2006/42/EC.
Software & Data Management
Optional PC-based software (GDW-Control Suite v3.2) provides remote monitoring, automated report generation (PDF/CSV), and audit-trail functionality compliant with FDA 21 CFR Part 11 requirements—including electronic signatures, user access levels, and immutable event logs. Data sampling intervals are configurable from 1 s to 60 min; all temperature readings are traceable to NIST-calibrated reference sensors (±0.2 °C accuracy at 25 °C). Raw data export supports integration with LIMS platforms and statistical process control (SPC) tools such as Minitab or JMP.
Applications
- Qualification testing of PCBAs and embedded controllers under accelerated thermal aging (e.g., IPC-9701A).
- Validation of battery module thermal runaway behavior across −40 °C to +85 °C operating envelopes.
- Material characterization of elastomers, composites, and adhesives per ASTM D618 and ISO 291 conditioning protocols.
- Environmental stress screening (ESS) of avionics hardware prior to HALT/HASS campaigns.
- Long-term reliability assessment of LED lighting assemblies per IES LM-80 and ENERGY STAR requirements.
FAQ
What is the standard temperature range for the GDW-010?
Standard configuration supports −80 °C to +150 °C; optional high-temperature upgrade extends upper limit to +200 °C (requires reinforced insulation and upgraded heater elements).
Is the chamber suitable for humidity-controlled testing?
No—this is a dry-heat/cold-only chamber. For combined temperature-humidity testing, refer to the GDSW series (Temperature & Humidity Chamber).
Can the GDW-010 be integrated into an automated test cell?
Yes—RS485 Modbus RTU and optional Ethernet/IP interfaces support PLC-level integration and SCADA system interoperability.
What calibration documentation is provided?
Each unit ships with factory calibration certificate (traceable to national standards), including temperature uniformity and fluctuation verification at three load points (top/mid/bottom) per IEC 60068-3-5.
What maintenance intervals are recommended?
Compressor oil and refrigerant filter replacement every 24 months; condenser coil cleaning every 6 months; controller firmware updates biannually via secure download portal.
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