Programmable Temperature & Humidity Environmental Chamber
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Price | USD 11,200 (FOB) |
| Temperature Range | -60°C to +80°C (selectable low-temp options: 0°C / -20°C / -40°C / -60°C) |
| Humidity Range | 20–98% RH (optional extended ranges: 5–98% RH, 10–98% RH, 20–98% RH) |
| Control System | Microprocessor-based PID + SSR + Digital Timer |
| Compliance Standards | GB/T 5170.2–1996, GB/T 2423.2–2008 (IEC 60068-2-2), GJB 150.3A–2009, GJB 150.4A–2009, GJB 360B–2009 |
Overview
The Programmable Temperature & Humidity Environmental Chamber is an engineered climatic test system designed for precise, repeatable simulation of dynamic thermal and hygrothermal conditions in laboratory and industrial quality assurance environments. Based on forced-air convection with optimized airflow distribution architecture, the chamber employs dual independent control loops—refrigeration and steam/humidification—to maintain stable setpoints across wide operational envelopes. Its core measurement and control architecture complies with IEC 60068-3-5 (Environmental testing — Part 3-5: Supporting documentation and guidance — Confirmation of the performance of temperature chambers) and supports traceable calibration per ISO/IEC 17025 requirements when paired with accredited external sensors. The system is intended for long-duration exposure testing, accelerated aging validation, and environmental stress screening (ESS) of electronic assemblies, automotive components, pharmaceutical packaging, and aerospace materials.
Key Features
- Multi-stage refrigeration circuit utilizing environmentally compliant HFC-134a or R-407C refrigerant (certified per EN 378 and EPA SNAP criteria)
- Uniform airflow design with rear-mounted centrifugal blower and perforated baffle ducting ensures ±0.5°C temperature uniformity and ±2.0% RH homogeneity (per GB/T 5170.2–1996 test protocol)
- Intuitive 7-inch color LCD touchscreen interface with menu-driven PID parameter tuning, real-time trend graphing, and multi-segment programmable profiles (up to 99 cycles, 999 steps)
- Comprehensive safety architecture including over-temperature cut-off, compressor high-pressure shutdown, humidity sensor fault detection, and door interlock switch
- Power failure recovery function retains program state and resumes operation upon mains restoration with configurable restart behavior
- Standard RS-485 Modbus RTU port enables integration into centralized facility monitoring systems; optional Ethernet/IP or Profibus-DP modules available
Sample Compatibility & Compliance
The chamber accommodates test specimens up to 2,000 mm (W) × 1,800 mm (D) × 2,200 mm (H), with internal volume customizable per client spatial constraints. Internal chamber walls are constructed from electropolished stainless steel (SUS304) with non-outgassing silicone gaskets to prevent contamination during sensitive material testing. All electrical components meet IP54 ingress protection rating. Regulatory alignment includes full traceability to national and international standards: GB/T 5170.2–1996 (Temperature Test Equipment Verification), GB/T 2423.2–2008 (High-Temperature Testing per IEC 60068-2-2), GJB 150.3A–2009 (MIL-STD-810G equivalent for high-temp environmental testing), and GJB 150.4A–2009 (low-temperature testing). Optional IQ/OQ documentation packages support GLP and GMP-compliant validation per FDA 21 CFR Part 11 requirements.
Software & Data Management
The embedded controller logs all critical parameters—including chamber air temperature, relative humidity, dew point, compressor suction/discharge pressure, and heater duty cycle—at user-defined intervals (1 s to 60 min). Raw data exports in CSV format via USB 2.0 or network transfer. Optional PC-based software (ChamberLink Pro v4.2) provides real-time remote supervision, alarm event correlation, statistical process control (SPC) charting, and automated report generation compliant with ISO 9001 clause 8.2.4. Audit trails record operator login/logout events, parameter modifications, and calibration interventions—fully supporting 21 CFR Part 11 electronic signature and record retention mandates.
Applications
- Environmental stress screening (ESS) of printed circuit board assemblies (PCBAs) per IPC-9701
- Accelerated corrosion testing of coated metallic substrates under cyclic humidity/temperature profiles
- Stability testing of active pharmaceutical ingredients (APIs) and final dosage forms per ICH Q1A(R2)
- Thermal cycling validation of lithium-ion battery modules (UN 38.3, Section 38.3.4)
- Reliability qualification of automotive ECUs per ISO 16750-4 and AEC-Q200
- Moisture barrier performance evaluation of flexible packaging films (ASTM F1249)
FAQ
What is the standard calibration interval recommended for this chamber?
Annual calibration using NIST-traceable reference probes is recommended; verification checks should be performed before each critical test campaign.
Can the chamber operate continuously at -60°C and 98% RH simultaneously?
No—simultaneous extreme low temperature and high humidity is physically constrained by dew point limitations; the system enforces safe operating boundaries per ASHRAE Fundamentals Chapter 1.
Is third-party validation support available for GxP-regulated environments?
Yes—qualified vendors provide IQ/OQ protocols, deviation management templates, and 21 CFR Part 11 compliance assessments upon request.
What power supply configuration is required for the -60°C model?
Three-phase 380 VAC ±10%, 50 Hz, with dedicated 63 A circuit breaker and isolated grounding rod per IEC 60364-5-54.
Does the controller support custom alarm escalation via email or SMS?
Yes—when integrated with optional IoT gateway module, SMTP and HTTP API interfaces enable configurable notification routing to maintenance dispatch systems.
