Climate chamber F-TH series

humiditytemperatureenvironmental stress screening

Overview
Programmable test chamber for rapid temperature change with optional humidity control. Designed for environmental stress screening (ESS) and reliability testing of industrial and laboratory products including electronics, batteries, automotive components, plastics, rubber, textiles and consumer goods.

Product family & short spec
F-TH Series — Models: F-TH-150, F-TH-225, F-TH-408, F-TH-800. Temperature range −70 °C to +150 °C. Fast change range −45 °C to +85 °C. Linear ramp up to 20 °C/min; nonlinear peak ramps up to 30 °C/min. Optional humidity control 20%–98% R.H. (10%–98% or 5%–98% with dehumidifier).

Four-model comparison

• F-TH-150 — Internal: 500×600×500 mm; External: 1100×1750×1600 mm; Weight ≈ 250 kg.
• F-TH-225 — Internal: 600×750×500 mm; External: 1200×1800×1700 mm; Weight ≈ 350 kg.
• F-TH-408 — Internal: 600×850×800 mm; External: 1250×1900×1900 mm; Weight ≈ 450 kg.
• F-TH-800 — Internal: 1000×1000×800 mm; External: 1600×2050×2150 mm; Weight ≈ 600 kg.

Configurations & Control Modes

• Linear mode — full linear control 3–20 °C/min for repeatable, standards-compliant profiles.
• Nonlinear mode — peak ramps 3–30 °C/min for accelerated stress screening (HALT-style).

What this system delivers (features)

• Speed: controlled linear ramps up to 20 °C/min; nonlinear peaks up to 30 °C/min.
• Coverage: temperature range −70 °C to +150 °C plus optional humidity control to 98% R.H.
• Accuracy & resolution: control ±0.5 °C / ±2.5% R.H.; indication 0.1 °C / 0.1% R.H.; distribution uniformity ±2.0 °C / ±3.0% R.H.
• Flexibility: four internal volumes and configurable option levels (A~F).

Built-in / Key functions

• BTHC temperature & humidity control with PID + SSR and auto-calc function.
• Programmable multi-segment cycling: up to 100 programs × 100 segments; max 999 cycles per program.
• Power-off memory and resume; 5-year memory backup.
• Imported LCD display showing set point, actual and time; interface lock and alarm.
• Dual refrigeration loop; single-stage compressors (air- or water-cooled); DIN PT-100Ω sensor standard.
• Standard communication: RS-232 or RS-485; timer relay output.

Protection & Safety

• Multi-layer protection: compressor overload, high/low pressure protection, over-humidity, over-temperature, fault warning, water shortage alarm, fuses and electronic alarms.

Standards Supported

• IEC 62133-2017, UL 1642, UN 38.3, IEC 60068-2-14, GB/T 2423.22, IEC 60068-2-38, MIL-STD-810, ISO 16750-4.

Applications

• Electronics & PCBs, batteries & energy storage, automotive components, communication equipment, instruments, plastics & rubber, metal parts, medical devices, aerospace & defense, consumer products and materials testing.

Technical specifications

• Model: F-TH Series (F-TH-150/225/408/800).
• Internal dimensions (mm): 500×600×500 / 600×750×500 / 600×850×800 / 1000×1000×800.
• External dimensions (mm): 1100×1750×1600 / 1200×1800×1700 / 1250×1900×1900 / 1600×2050×2150.
• Temperature range: −70 °C to +150 °C. Fast change: −45 °C to +85 °C.
• Ramp rates: linear 3–20 °C/min (up to 20 °C/min full linear control); nonlinear peaks 3–30 °C/min.
• Humidity (optional): 20%–98% R.H.; 10%–98% or 5%–98% with dehumidifier.
• Resolution & accuracy: 0.1 °C / 0.1% R.H.; control ±0.5 °C / ±2.5% R.H.; uniformity ±2.0 °C / ±3.0% R.H.
• Materials: inner SUS 304 stainless steel; outer stainless or cold-rolled steel with paint.
• Insulation: high-density, high-temperature resistant foam.
• Cooling: water-cooled or air-cooled single-stage compressor; refrigerants R23 / R404A.
• Compressors: Tecumseh or Bitzer.
• Options: inner door with operation hole, water purifier, dehumidifier, recorder.
• Power: AC 380 V 3-phase 5-wire, 50/60 Hz.
• Approx. weight: 250 / 350 / 450 / 600 kg (by model).
• Certification & warranty: CE certified; 12-month warranty; lifetime remote support; manufacturer since 1988.