OverviewThe desktop stability test chamber provides controlled temperature and humidity conditions for performance evaluation of aerospace, defense, marine, automotive, electronics, instrumentation, materials and battery systems. Pre-engineered and custom sizes are available across the TH series with configurable temperature ramp rates, humidity ranges and a variety of standard and optional features for steady-state, thermal cycling and rapid-change testing.
Applications- Aerospace & defense: environmental stress screening for avionics, sensors and components under extreme temperature and humidity.
- Automotive & EV: reliability tests for ECUs, motors and automotive electronics; battery testing with explosion-proof options.
- Electronics & semiconductors: stability and humidity testing for PCBs, ICs, connectors and consumer devices before mass production.
- LED & lighting: thermal performance and humidity resistance validation for modules, drivers and luminaires.
- Packaging & transport: damp heat and temperature cycling for packaging materials and products exposed to long-distance shipping.
- Photovoltaics & new energy: damp heat and cycling tests for solar cells, modules and energy storage components.
- Materials research: accelerated aging and environmental stability evaluation for polymers, composites, coatings and metals.
- Universities & testing labs: standard-compliant conditions for research, certification and R&D testing.
Models- TH-80
- TH-150
- TH-225
- TH-408
- TH-800
- TH-1000
Options & Key Features- Temperature range: selectable low options 25℃, 0℃, -20℃, -40℃, -60℃, -70℃; high options 150℃, 180℃, 200℃.
- Humidity range: selectable 20%–98% R.H., 10%–98% R.H., or 5%–98% R.H.
- Control: PID control with touch-screen interface; control accuracy ±0.5℃ and ±2.5% R.H. (depending on configuration).
- Construction: inner chamber SUS 304# stainless steel; outer cabinet stainless steel or cold-rolled steel with paint; high-density heat-resistant insulation.
- Cooling: air or water cooling; single-segment compressor (to -40℃) or double-segment compressor (to -70℃).
- Safety & protection: compressor overload, high/low voltage protection, over-humidity and over-temperature alarms, fuse-free switch and water shortage warning.
- Optional accessories: access ports, inner door with operation hole, additional shelves, recorder, demineralizer water filter, dry air purge, explosion-proof/battery-safety options.
- Connectivity & data: USB, remote access, multilingual display and alarm history for logging and troubleshooting.
Technical specifications (summary)Internal dimensions WxHxD (mm): 400x500x400 | 500x600x500 | 600x750x500 | 600x850x800 | 1000x1000x800 | 1000x1000x1000
External dimensions WxHxD (mm): 950x1650x950 | 1050x1750x1050 | 1200x1900x1150 | 1200x1950x1350 | 1600x2000x1450 | 1600x2100x1450
Analytic accuracy / uniformity: 0.1℃; 0.1% R.H. / ±2.0℃; ±3.0% R.H.
Control accuracy: ±0.5℃; ±2.5% R.H.
Temperature rate: rise approx. 0.1–3.0℃/min; fall approx. 0.1–1.5℃/min (min. 1.5℃/min available as special option)
Material: inner SUS 304# stainless steel; outer stainless or painted cold-rolled steel; high-density insulation
Cooling system: air or water cooling; single/double-segment compressors
Compressor brands (standard options): Tecumseh or Bitzer
Power: AC 220V 1ph 3 lines, 50/60 Hz or AC 380V 3ph 5 lines, 50/60 Hz
Approx. weight (kg): 150 | 180 | 250 | 320 | 400 | 450
Key Product Advantages- Stable, repeatable test conditions via PID control and touch-screen interface.
- Energy-efficient refrigeration with electronic expansion valve and high-density insulation.
- Corrosion-resistant SUS 304 interior for easier cleaning and long service life.
- Flexible humidity control options to meet diverse test requirements.
- Comprehensive safety protections and configurable battery/explosion-safe options.
- Data logging and connectivity for reporting, audit trails and remote monitoring.
- After-sales support including one-year parts replacement and ISO 17025 calibration options.
Common Test Standards- 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