OverviewPurpose-built test chambers for controlled ultra‑low temperature and humidity testing. TH series supports bench, floor and walk‑in configurations with standard volumes from 80 L to 1000 L and custom sizes. Configurable to provide linear and extreme temperature/humidity profiles for environmental qualification, reliability and research applications.
Key Features- Inner/outer construction in SUS 304# stainless steel
- Energy‑efficient refrigeration with electronic expansion valve
- Specialized humidity generation and precise RH control
- Thermal break construction for extreme condition stability
- 3" cable port with cover; two adjustable shelves and casters included
- 7" touchscreen controller with multilingual UI
- USB port for program/data upload/download; remote data access and programming
- Alarm diagnostics with event history and troubleshooting back‑trace
Available Volumes & Temperature Range- Volumes: 80 L, 150 L, 225 L, 408 L, 800 L, 1000 L, plus custom volumes
- Selectable Tmin options: -80°C, -70°C, -60°C, -40°C, 0°C, Room Temperature
- Selectable Tmax options: +80°C, +100°C, +150°C, +180°C, +200°C
Technical Specifications (standard TH‑series models)Model | TH‑80 | TH‑150 | TH‑225 | TH‑408 | TH‑800 | TH‑1000
Internal Dimensions WxHxD (mm) | 400x500x400 | 500x600x500 | 600x750x500 | 600x850x800 | 1000x1000x800 | 1000x1000x1000
External Dimensions WxHxD (mm) | 950x1650x950 | 1050x1750x1050 | 1200x1900x1150 | 1200x1950x1350 | 1600x2000x1450 | 1600x2100x1450
Temperature Range | Tmin options: -80°C to RT; Tmax options: +80°C to +200°C
Humidity Range | Optional: 5%–98% RH, 10%–98% RH, 20%–98% RH
Accuracy / Uniformity | Analytic accuracy: 0.1°C; 0.1% RH. Distribution uniformity: ±2.0°C; ±3.0% RH
Control Accuracy | ±0.5°C; ±2.5% RH
Temperature Change Rates | Rise approx. 0.1–3.0°C/min; Fall approx. 0.1–1.5°C/min (faster fall rate available as special option)
Materials | Inner: SUS 304# stainless steel; Outer: stainless or cold‑rolled steel with paint; Insulation: high‑density foam resistant to high temperatures and solvents
Cooling System | Air‑cooled or water‑cooled; single‑segment compressor (to −40°C); dual‑segment compressor (to −70°C)
Protection Devices | Over/under voltage protection, compressor overload, over‑temperature, over‑humidity, fuses, fault warnings, water shortage/storage warnings
Optional Accessories | Inner door with operation hole, recorder, water purifier, dehumidifier, additional shelves
Compressor Brands | e.g. Tecumseh, Bitzer
Power | AC 220V 1ph or AC 380V 3ph, 50/60 Hz
Approx. Weight | 150–450 kg depending on model
Applications Across Industries- Aerospace & Defense — environmental stress screening for avionics, sensors and components
- Automotive & EV — reliability testing for ECUs, motors, electronics; battery testing (explosion‑proof options)
- Electronics & Semiconductors — stability and humidity testing for PCBs, ICs and connectors
- LED & Lighting — thermal performance and humidity resistance validation
- Packaging & Transport — damp heat and temperature cycling for packaging and shipped goods
- Photovoltaics & New Energy — damp heat and thermal cycle testing for cells, modules and storage systems
- Materials Research — accelerated aging and environmental stability for polymers, composites and coatings
- Universities & Labs — standard‑compliant test conditions for research and certification
Common Test Standards Applicable- IEC 60068‑2‑1 — Cold
- IEC 60068‑2‑2 — Dry Heat
- IEC 60068‑2‑78 — Damp Heat, Steady State
- IEC 60068‑2‑30 — Damp Heat, Cyclic
- ISO 139 — Standard Atmospheres for Conditioning and Testing
- ASTM D1776 — Conditioning and Testing Textiles
- MIL‑STD‑810 — Environmental Engineering Considerations and Laboratory Tests
- GB/T 2423 — Environmental Testing for Electric and Electronic Products
Key Product Advantages- Very wide temperature range from −80°C to +200°C for combined low/high testing
- Flexible configurations: benchtop, floor and walk‑in
- Standard and custom volumes from 80 L to beyond 1000 L
- Precise, repeatable control of temperature and humidity for qualification tests
- Energy‑efficient refrigeration and high‑density insulation to reduce thermal drift
- Integrated smart control: 7" touchscreen, USB data logging, remote programming and alarm diagnostics