Thermostatic test chamber TH series

climatichumiditytemperature

Overview
This small-size vertical floor-standing laboratory chamber provides precise temperature and humidity control for PCB and semiconductor testing. Suitable for small-sample reliability and stability evaluation, including long-term 85°C / 85% RH tests. The unit integrates temperature and humidity control and display, safety protection systems, an operator-friendly interface and a compact footprint for laboratory use.

Product Details

• Temperature control and display unit
• Humidity control and display unit
• Capable of long-term 85°C / 85% RH tests
• Comprehensive safety protection system
• Easy operation with a user-friendly interface

Key Features

• Mist-strip surface treatment and circular-shaped body
• Rectangular double-paned viewing window with interior illumination for sample observation
• Double-layer insulated airtight doors to effectively maintain internal temperature
• Externally connectable water supply for convenient humidifier refill and automatic recycling
• French Tecumseh compressor with environmentally acceptable refrigerants (R23, R404A)
• LCD control unit displays set point and actual value simultaneously
• Control unit supports multi-segment program editing and quick or ramp control of temperature and humidity

Technical Specifications (table)
Model: TH-80, TH-150, TH-225, TH-408, TH-800, TH-1000
Internal Dimension WxHxD (mm): 400x500x400 | 500x600x500 | 600x750x500 | 600x850x800 | 1000x1000x800 | 1000x1000x1000
External Dimension WxHxD (mm): 950x1650x950 | 1050x1750x1050 | 1200x1900x1150 | 1200x1950x1350 | 1600x2000x1450 | 1600x2100x1450
Temperature Range: Tmin (Low Temperature options) A: 25°C, B: 0°C, C: -20°C, D: -40°C, E: -60°C, F: -70°C; Tmax (High Temperature options): 150°C, 180°C, 200°C
Humidity Range: Optional: 20%~98% R.H. / 10%~98% R.H. / 5%~98% R.H.
Analytic Accuracy / Distribution Uniformity of Temperature and Humidity: 0.1°C; 0.1% R.H. / ±2.0°C; ±3.0% R.H.
Control Accuracy of Temperature and Humidity: ±0.5°C; ±2.5% R.H.
Temperature Rising Speed: approx. 0.1~3.0°C/min
Temperature Falling Speed: approx. 0.1~1.5°C/min (special optional: min. 1.5°C/min)
Material: Inner box: SUS 304# stainless steel; Outer box: stainless steel or cold-rolled steel with paint coating; Insulation: high-density, heat-resistant foam (formate-chlorine / ethyl acetate types)
Cooling System: Air cooling or water cooling; single-segment compressor for -40°C; double-segment compressor for -70°C
Protection Devices: Fuse-free switch, compressor overload protection switch, high/low voltage refrigerant protection switch, over-humidity and over-temperature protection, fuses, fault warning system, water shortage warning protection
Optional Accessories: Inner door with operation hole, Recorder, Water Purifier, Dehumidifier
Compressor: French Tecumseh or Germany Bitzer
Power: AC 220V 1ph 3 lines, 50/60 Hz | AC 380V 3ph 5 lines, 50/60 Hz
Approx. Weight (Kg): 150 | 180 | 250 | 320 | 400 | 450

Model TH-64 Quick Specifications

• Internal: 400×400×400 mm
• External: W650×H1620×D1090 mm
• Humidity: 20%~98% R.H.
• Weight: 75 Kg
• Power: AC 220V 1ph 3 lines

Applications Across Industries

• Laboratory research — compact floor-standing design for convenient operation
• Electronics & Semiconductors — stability and humidity testing for PCBs, ICs, connectors, consumer electronics
• Automotive & EV — reliability testing for ECUs, motors and automotive electronics under thermal cycling and damp heat
• Aerospace & Defense — environmental stress screening for avionics, sensors and aerospace components
• Materials Research — accelerated aging and environmental stability testing for polymers, composites, coatings and metals
• Packaging & Transport — damp heat and temperature cycling tests for packaging materials and containers
• Photovoltaics & New Energy — damp heat and temperature cycling for solar cells, modules and energy storage components
• Universities & Testing Labs — standard-compliant test conditions for research and certification labs

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

Features / Technical Specifications

• Commercial Model: TH-80-D (series includes TH-80, TH-150, TH-225, TH-408, TH-800, TH-1000)
• Temperature range: selectable low-temperature options down to -70°C and high-temperature up to 200°C
• Humidity control: selectable ranges up to 98% R.H.
• Control accuracy: ±0.5°C; ±2.5% R.H.; analytic accuracy: 0.1°C; 0.1% R.H.
• Ramp rates: rise 0.1~3.0°C/min; fall 0.1~1.5°C/min (optional min. 1.5°C/min)
• Materials: inner SUS 304# stainless steel; outer stainless steel or painted cold-rolled steel; high-density insulation
• Cooling: air or water cooling; single/double-segment compressors for low-temperature options
• Protections: electrical protections, overload, refrigerant protection, over-humidity/temperature warnings and fault alerts
• Optional accessories: inner operation-hole door, recorder, water purifier, dehumidifier
• Compressor references: Tecumseh, Bitzer
• Power supply options: AC 220V (1ph) or AC 380V (3ph), 50/60 Hz
• Approx. weight: from 75 kg (TH-64) up to 450 kg (TH-1000) depending on model