Generic Temperature and Humidity Controlled Environmental Test Chamber
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Price | USD 3,100 (approx. based on ¥22,000 at 1 USD ≈ ¥7.1) |
| Temperature Range | −65 °C to +150 °C |
| Humidity Range | 20–95 % RH |
| Temperature Uniformity | ±2.0 °C |
| Temperature Fluctuation | ±0.5 °C |
| Humidity Uniformity | ±3.0 % RH |
| Humidity Fluctuation | ±1.5 % RH |
| Heating Rate | ≥2.5 °C/min (from +20 °C to +85 °C in ≤60 min, no-load) |
| Cooling Rate | ≥1.0 °C/min (from +20 °C to −40 °C in ≤70 min, no-load) |
| Refrigeration System | Dual-stage mechanical refrigeration |
| Compressor | Hermetic scroll compressor (e.g., Tecumseh or Embraco equivalent) |
| Refrigerant | R404A/R23 blend |
| Humidification | Stainless steel steam generator |
| Insulation | 100 mm thick high-density fiberglass + polyurethane foam |
| Interior Material | Mirror-finish SUS304 stainless steel |
| Exterior Material | Powder-coated cold-rolled steel or SUS304 brushed stainless steel |
| Control Interface | Touchscreen LCD with bilingual (English/Chinese) GUI, multi-segment PID control, real-time curve display, alarm logging, and data export capability |
Overview
The Generic Temperature and Humidity Controlled Environmental Test Chamber is an engineered environmental simulation system designed for precise, repeatable evaluation of material and component behavior under controlled thermal and hygrothermal stress conditions. It operates on the principle of forced-air convection combined with dual-stage mechanical refrigeration and electric resistance heating, enabling stable maintenance of temperature and relative humidity across a wide operational envelope. This chamber is routinely deployed in reliability validation, accelerated aging studies, qualification testing per IEC/EN 60068-2 series, and pre-compliance screening for electronics, polymers, automotive components, and medical device packaging. Its architecture supports both steady-state (constant temperature/humidity) and dynamic (ramp-soak-cycle) test profiles, making it suitable for applications ranging from basic storage condition simulation to rigorous MIL-STD-810G Method 502.6 (low temperature), Method 501.7 (high temperature), and Method 507.6 (humidity) protocols.
Key Features
- Robust chamber construction featuring a mirror-polished SUS304 stainless steel interior and powder-coated or brushed stainless steel exterior for corrosion resistance and cleanroom compatibility.
- High-efficiency insulation comprising 100 mm thickness of high-density glass fiber combined with closed-cell polyurethane foam, minimizing thermal bridging and energy consumption.
- Advanced dual-stage refrigeration system using environmentally compliant R404A/R23 refrigerant blend and a hermetically sealed scroll compressor—selected for long-term reliability and low acoustic emission (<65 dB(A) at 1 m).
- Integrated steam-based humidification via a stainless steel jacketed boiler, coupled with a conductive film-heated multi-layer tempered observation window for fog-free visual monitoring.
- Intelligent touchscreen controller with English/Chinese interface, real-time graphical display of setpoint/actual curves, multi-zone PID tuning, and configurable alarm thresholds with timestamped event logging.
- Full safety redundancy including over-temperature, over-humidity, compressor high-pressure, phase failure, and door-open interlock protection circuits compliant with IEC 61000-6-2/6-4 EMC requirements.
Sample Compatibility & Compliance
The chamber accommodates standard test specimens up to 500 L internal volume (customizable), with optional load power feedthroughs (up to 2 kW) for powered-in-use testing. Internal dimensions support standard IEC 60068-3-5 mounting fixtures and DIN 50017 test racks. All performance specifications—including temperature uniformity (±2.0 °C), humidity uniformity (±3.0 % RH), and stability (±0.5 °C / ±1.5 % RH)—are verified per GB/T 5170.2–2017 (equivalent to IEC 60068-3-5), GB/T 2423.1–2023 (cold), GB/T 2423.2–2023 (dry heat), GB/T 2423.3–2016 (damp heat, steady state), and GB/T 2423.4–2016 (damp heat, cyclic). Calibration traceability is supported via NIST-traceable reference sensors and optional third-party certification (e.g., TÜV SÜD or SGS).
Software & Data Management
The embedded controller provides native data logging at user-defined intervals (1–600 s), storing up to 10,000 hours of time-stamped temperature/humidity readings internally. Export is supported via USB flash drive in CSV format for post-processing in Excel or MATLAB. Optional Ethernet or RS485 interfaces enable integration into centralized lab management systems (LIMS) and support Modbus TCP/RTU communication for remote supervision. Audit trail functionality meets GLP and GMP documentation requirements per FDA 21 CFR Part 11 when paired with password-protected user roles and electronic signature modules (available as add-on firmware).
Applications
- Electronics: PCB solder joint fatigue assessment, connector contact resistance drift under thermal cycling, and conformal coating adhesion testing.
- Automotive: Validation of infotainment displays, battery module thermal runaway initiation thresholds, and sealant curing kinetics.
- Pharmaceuticals: Stability testing per ICH Q1A(R3) for primary packaging materials under long-term (25 °C/60 % RH) and accelerated (40 °C/75 % RH) conditions.
- Polymers & Composites: Measurement of coefficient of thermal expansion (CTE), moisture absorption rate (ASTM D5229), and dimensional stability per ISO 291.
- Aerospace: Pre-flight environmental soak testing of avionics enclosures per RTCA DO-160 Section 4 (temperature) and Section 7 (humidity).
FAQ
What standards does this chamber comply with?
It meets the metrological and functional requirements of GB/T 5170.2–2017, GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2423.3–2016, and GB/T 2423.4–2016—equivalent to IEC 60068-2-1, -2, -3, and -30 respectively.
Can the chamber perform thermal cycling with humidity ramping?
Yes—it supports programmable multi-step profiles combining simultaneous temperature and humidity ramps, holds, and transitions, with minimum segment duration of 1 minute.
Is external water supply required for humidification?
No—the integrated stainless steel steam generator uses deionized water stored in an internal reservoir; optional auto-fill kit available for unattended operation.
What is the typical lead time for factory calibration and shipment?
Standard units ship within 10–15 working days after order confirmation; NIST-traceable calibration certificate adds 3 additional business days.
Does the controller support remote monitoring via LAN or cloud?
Basic Ethernet connectivity is included; cloud-based telemetry and predictive maintenance analytics require optional firmware upgrade and subscription service.
