English Product Name

Overview

The OKEO Environmental Test Chamber is a precision-engineered temperature and humidity controlled chamber designed for accelerated environmental stress screening (ESS), reliability validation, and qualification testing of electronic components, automotive modules, aerospace subsystems, and industrial materials. Operating on the principle of balanced heating, cooling, humidification, and dehumidification—implemented via a BTHC (Balanced Temperature & Humidity Control) system—the chamber maintains stable setpoints through PID-controlled SSR (Solid State Relay) actuation of heating elements, refrigeration compressors, and ultrasonic/steam-based humidifiers. Its thermodynamic architecture integrates a full-capillary refrigeration circuit with automatic capacity modulation, eliminating reliance on mechanical expansion valves and ensuring superior thermal stability, reduced overshoot, and uniform chamber-wide distribution (±1.0°C horizontal/vertical gradient at steady state). The unit complies with internationally recognized test protocols for temperature cycling, damp heat, and combined environmental stress, supporting both standalone operation and integration into automated test laboratories compliant with ISO/IEC 17025 and GLP frameworks.

Key Features

• 7-inch high-resolution capacitive touchscreen HMI with intuitive icon-driven interface, supporting multi-language firmware (English, German, French, Japanese, Korean, simplified Chinese)
• Robust safety architecture: dual independent overtemperature protection (mechanical & electronic), dry-run prevention for humidifier, low-water-level cutoff, compressor overcurrent/overheat/overpressure monitoring, high-pressure refrigerant switch, and RCD (Residual Current Device) protection
• Energy-optimized design: integrated distilled water recovery loop for humidification; optimized refrigerant circuit (R404A, zero ozone depletion potential); 30% lower power consumption vs. conventional chambers under identical load conditions
• Modular construction with fully customizable internal dimensions, door orientation, port configurations, and optional LN₂ pre-cooling or forced-air convection upgrades
• TaiKang hermetically sealed scroll compressor delivering <60 dB(A) acoustic emission; stainless steel interior chamber (SUS304) with seamless welding and electropolished finish

Sample Compatibility & Compliance

The chamber accommodates standard test specimens up to 500 mm × 500 mm × 500 mm (W×D×H), with optional extended-volume models available. It supports passive and active DUT (Device Under Test) monitoring via 4–20 mA or RS-485 signal inputs. All units ship with NIST-traceable third-party calibration certificates (valid for 12 months), conforming to ISO/IEC 17025 requirements. Regulatory compliance includes GB/T 2423.1–2023 (cold testing), GB/T 2423.2–2023 (dry heat), IEC 60068-2-1/2 (low/high temperature), IEC 60068-2-78 (damp heat, steady state), GJB 1032A–2012 (environmental stress screening), and MIL-STD-2164A (electronic equipment ESS). Optional FDA 21 CFR Part 11-compliant audit trail logging is available upon request.

Software & Data Management

The embedded controller runs proprietary OKEO-TCMS v4.2 firmware, enabling programmable test profiles (up to 99 segments, 999 cycles), real-time trend plotting, alarm history with timestamped event logs, and USB export of CSV-formatted data. Remote supervision is supported via Ethernet (TCP/IP) or optional Wi-Fi module, with secure HTTPS access and role-based user permissions. For enterprise integration, optional OPC UA and Modbus TCP gateways allow synchronization with MES, LIMS, or SCADA platforms. All software updates are delivered via signed firmware packages to ensure integrity and traceability.

Applications

This chamber is routinely deployed in: reliability engineering labs conducting HALT/HASS; automotive Tier-1 suppliers validating ECUs and ADAS sensors per ISO 16750-4; aerospace component manufacturers performing MIL-STD-810G Method 502.6 thermal shock and Method 507.6 humidity testing; and QC/QA departments in medical device manufacturing verifying packaging integrity per ISO 11607-1. It is also used in material science research for studying hygrothermal aging of composites, polymers, and battery electrode coatings under controlled dew point conditions.

FAQ

What is the typical temperature ramp rate for this chamber?

Standard ramp rates range from 1°C/min to 3°C/min (average air temperature), depending on load mass, thermal mass distribution, and selected temperature range. Actual DUT temperature response may vary due to thermal inertia and mounting configuration.

Does the chamber support unattended operation for extended test durations?

Yes—programmable logic ensures fully autonomous execution of multi-day test sequences, with automatic alarm escalation via email/SMS and built-in power-fail recovery.

Can the unit be calibrated to meet ISO/IEC 17025 requirements?

All units include a factory-issued NIST-traceable calibration certificate. On-site accredited calibration services are available through OKEO’s global partner network.

Is distilled water mandatory for humidification?

No—the integrated automatic filtration system enables direct use of municipal tap water, eliminating dependency on external purified water sources.

What is the warranty coverage and service support structure?

Standard warranty: 24 months parts and labor. Extended service plans include preventive maintenance contracts, remote diagnostics, and priority spare parts dispatch within 72 hours globally.