Walk-in Environmental Test Chamber
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| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8.123m² |
| Price | ¥80,000 (RMB) |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8.35m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-TH-120 |
| Price | ¥99,000 CNY |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-ZTH-390 |
| Internal Working Dimensions (D×W×H) | 700 × 800 × 700 mm |
| Temperature Range | −70 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min (typical, 10–15 °C/min optional with rapid-change configuration) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-ZTH-512 |
| Price | USD 12,600 (FOB Guangdong) |
| Internal Dimensions (D×W×H) | 700 × 800 × 700 mm |
| Temperature Range | −70 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Stability | ±2 °C |
| Heating Rate | ≥3 °C/min (empty chamber, 20 °C to 100 °C) |
| Brand | Suying |
|---|---|
| Origin | Shanghai, China |
| Model | BRS-040 / BRS-080 / BRS-120 / BRS-160 / BRS-250 / BRS-340 |
| Temperature Range | −70 °C to +150 °C (configurable) |
| Humidity Range | 30–98% RH |
| Temperature Uniformity | ±2.0 °C |
| Temperature Fluctuation | ±0.5 °C |
| Humidity Deviation | ±3.0% RH (>75% RH) |
| Control System | Touchscreen PID Controller with Programmable Logic |
| Compliance | GB/T 2423.1–4, GB 11158, GB 10589, GJB 150.3/4/9 |
| Cooling Method | Air-Cooled or Water-Cooled Mechanical Compression Cascade Refrigeration |
| Heating | Nickel-Chromium Alloy Heaters |
| Humidification | Tank-Type Steam Generator |
| Safety Protections | Overtemperature, Dry-Burn, Low-Water, Phase Failure, Compressor Overpressure & Overload, Fan Overload, Leakage & Short-Circuit Protection |
| Communication Interface | RS-485, Ethernet (optional) |
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TF-360A |
| Price Range | USD 14,000 – 28,500 (FOB Shanghai) |
| Internal Dimensions (D×W×H) | 2.0 m × 2.0 m × 2.0 m |
| Temperature Range | −70 °C to +100 °C |
| Temperature Uniformity | ±2.0 °C |
| Humidity Range | 20–98 %RH |
| Humidity Uniformity | ±5 %RH |
| Temperature Control Accuracy | ±0.3 °C |
| Humidity Control Accuracy | ±2 %RH |
| Heating Rate | 1.0–3.0 °C/min |
| Cooling System | Twin-stage cascade refrigeration with Tecumseh (France) compressors |
| Humidification Method | Surface evaporation type |
| Dehumidification Method | ADP (Air Dew Point) critical-point cooling |
| Insulation Material | High-density polyurethane foam (≥150 mm thick) |
| Interior Material | SUS#304 stainless steel |
| Exterior Material | Cold-rolled steel with powder-coated finish |
| Air Circulation | Multi-wing centrifugal blower + optimized ducted airflow system |
| Viewing Window | Multi-layer low-E heated laminated glass |
| Safety Protections | Over-temperature cut-off, phase sequence protection, compressor high-pressure/overload/over-current protection, fan overload protection, water shortage protection, humidifier dry-run protection, emergency stop, and internal distress alarm |
| Power Supply | 380 VAC, 3-phase, 50 Hz |
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | TF-360B |
| Price Range | USD 14,000 – 28,000 (FOB Shanghai) |
| Internal Dimensions (D×W×H) | 2.5 m × 3.0 m × 2.0 m |
| Temperature Range | −70 °C to +100 °C |
| Temperature Uniformity | ±2.0 °C |
| Humidity Range | 20–98% RH |
| Humidity Uniformity | ±5% RH |
| Temperature Control Accuracy | ±0.3 °C |
| Humidity Control Accuracy | ±2% RH |
| Heating Rate | 1.0–3.0 °C/min |
| Cooling System | Tecumseh (France) Hermetic Compressor |
| Humidification Method | Surface Evaporation |
| Dehumidification Method | ADP (Adiabatic Dew Point) Refrigerated Cooling |
| Air Circulation | Multi-blade Centrifugal Fan + Optimized Air Duct Design |
| Insulation | High-Density Polyurethane Foam (≥150 mm) |
| Interior Material | SUS#304 Stainless Steel |
| Exterior Material | Powder-Coated Cold-Rolled Steel |
| Observation Window | Multi-layer Low-E Heated Glass |
| Safety Protections | Over-temperature, Leakage Current, Low-Water, Compressor High-Pressure/Overload/Overcurrent, Fan Overload, Phase Sequence Monitoring, Emergency Indoor Alarm |
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | TF-360D |
| Price Range | USD 70,000 – 140,000 (FOB Shanghai) |
| Internal Dimensions (L×W×H) | 5 m × 6 m × 2 m |
| Temperature Range | −70 °C to +100 °C |
| Temperature Uniformity | ±2.0 °C |
| Humidity Range | 20–98 %RH |
| Humidity Uniformity | ±5 %RH |
| Temperature Control Accuracy | ±0.3 °C |
| Humidity Control Accuracy | ±2 %RH |
| Heating Rate | 1.0–3.0 °C/min |
| Cooling System | Twin-stage cascade refrigeration with Tecumseh (France) compressors |
| Humidification Method | Surface evaporation |
| Dehumidification Method | ADP (Adiabatic Dew Point) chilled-water coil cooling |
| Air Circulation | Multi-wing centrifugal blower + optimized ducted airflow |
| Insulation | High-density polyurethane foam (150 mm thick) |
| Interior Material | SUS#304 stainless steel |
| Exterior Material | Powder-coated cold-rolled steel |
| Observation Window | Multi-layer low-E heated laminated glass |
| Safety Protections | Over-temperature, dry-run, compressor high-pressure/overload/over-current, fan overload, phase sequence, and emergency indoor alarm |
| Power Supply | 380 VAC, 3-phase, 50 Hz |
| Brand | Tuofeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TF-360C |
| Internal Dimensions (D×W×H) | 3 m × 5 m × 2 m |
| Temperature Range | −70 °C to +100 °C |
| Humidity Range | 20–98 %RH |
| Temperature Uniformity | ±2.0 °C |
| Humidity Uniformity | ±5 %RH |
| Temperature Control Accuracy | ±0.3 °C |
| Humidity Control Accuracy | ±2 %RH |
| Heating Rate | 1.0–3.0 °C/min |
| Construction | Exterior – Powder-coated steel |
| Cooling System | Tecumseh (France) hermetic compressors |
| Humidification Method | Surface evaporation |
| Dehumidification Method | ADP (Adiabatic Dew Point) chilled-water cooling |
| Air Circulation | Multi-blade centrifugal fans with optimized ductwork |
| Viewing Window | Multi-layer low-emissivity heated glass |
| Safety Protections | Over-temperature cutoff, phase sequence monitor, compressor high-pressure/overload/over-current protection, fan overload protection, leak current detection, water shortage alarm, humidifier dry-run protection, emergency indoor call button |
| Power Supply | 380 V, 50 Hz |
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-200B |
| Temperature Range | Ambient to 100 °C |
| Uniformity | ≤3 °C |
| Stability | ±2 °C |
| Control System | Yamatake (Japan) Digital PID Controller with SSR Output |
| Heating Method | Forced-Air Circulation via Stainless Steel Finned Heaters |
| Insulation | 50 mm Fire-Retardant Rockwool Sandwich Panels |
| Power Supply | AC 380 V ±10%, 50 Hz, 3-Phase 5-Wire |
| Timer Range | 1–168 h (1 min resolution) |
| Safety Protections | Over-Temperature Cut-off, Phase-Loss Detection, Motor Thermal Protection, Overload Relay, Visual/Audible Alarm |
| Construction | Modular Plug-in Assembly with Double-Layer Tempered Glass Observation Window |
| Compliance | Designed for GLP-aligned aging validation per IEC 60068-2-68 (sand/dust exposure), ASTM D4329 (plastic aging), and internal QC protocols requiring continuous thermal stress testing |
| Brand | WEISS |
|---|---|
| Origin | Germany |
| Model | WK-Series |
| Chamber Volume Options | 4 m³, 10 m³, 15 m³, 25 m³, 32 m³, 41 m³ |
| Temperature Range | +20 °C to +45 °C |
| Temperature Uniformity | ≤ ±1 °C |
| Humidity Range | 20 % r.H. to 80 % r.H. |
| Humidity Stability (over time) | ≤ ±3 % r.H. |
| Insulation | CFC-free polyurethane (PU) foam |
| Control System | Microprocessor-based, compliant with GAMP 5 and FDA 21 CFR Part 11 |
| Humidification | Ultrasonic |
| Dehumidification | Refrigerant-based |
| Safety Features | Dual independent temperature safety cut-offs, sample temperature monitoring, emergency door release mechanism |
| Brand | YSEI |
|---|---|
| Origin | Chongqing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | SHH-XXW-SD Series |
| Price Range | USD 28,000 – 70,000 (FOB) |
| Internal Dimensions (D×W×H) | Customizable per client specification |
| Temperature Range | 20–50 °C |
| Temperature Uniformity | ±1 °C |
| Temperature Control Accuracy | ±0.5 °C |
| Heating Rate | 0.5 °C/min (customizable) |
| Humidity Range | 50–90 % RH |
| Humidity Uniformity | ±3 % RH |
| Power Supply | 220 V / 50 Hz |
| Data Storage | 64 MB internal cyclic memory + SD card export + optional real-time PC logging via RS485 |
| Remote Monitoring | Supported via Sims software over LAN/internet (up to 30 units per host) |
| Brand | YSEI |
|---|---|
| Origin | Chongqing, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | SHH-XXW-SD Series |
| Price Range | USD 28,000 – 70,000 (FOB) |
| Internal Dimensions (D×W×H) | Custom-engineered per client specification |
| Temperature Range | 20–50 °C |
| Temperature Uniformity | ±1 °C |
| Temperature Control Accuracy | ±0.5 °C |
| Heating Rate | 0.5 °C/min (adjustable per configuration) |
| Humidity Range | 50–90 % RH |
| Humidity Uniformity | ±3 % RH |
| Power Supply | 220 V / 50 Hz |
| Brand | Yuelian |
|---|---|
| Origin | Guangdong, China |
| Model | YL-2290 |
| Internal Dimensions (W×D×H) | 200×200×200 cm to 400×200×200 cm (configurable variants) |
| External Dimensions (W×D×H) | 270×225×220 cm to 470×225×220 cm |
| Interior Material | SUS304 Stainless Steel |
| Exterior Material | Beige Powder-Coated Steel |
| Door | Single Swing, 85 cm W × 180 cm H |
| Temperature Range | –40 °C to +80 °C |
| Humidity Range | 30–95 %RH |
| Temp. Uniformity (unloaded) | ±2.0 °C |
| Humidity Uniformity (unloaded) | ±5 %RH |
| Temp. Stability | ±0.2 °C |
| Humidity Stability | ±2 %RH |
| Cooling Method | Water-Cooled |
| Heating/Cooling Rate | 60 min (RT → +80 °C), 50–120 min (RT → –10/–20/–40 °C) |
| Insulation | 100–150 mm Fire-Retardant PU Foam |
| Power Supply | 380 VAC, 3-Phase, 40–70 A |
| Controller | TEMI880 Programmable Touchscreen (LCD), PID + SSR Control, RS-232/RS-485 Interface |
| Safety Systems | Dual Over-Temp Protection (Electronic & Mechanical), Low-Water Cut-off, Dry-Heater Burnout Prevention, Compressor High-Pressure & Overload Protection, Phase Failure & Reverse-Phase Detection, Leakage Circuit Breaker, Surge Suppression |