Walk-in Environmental Test Chamber
Filter
Showing 61–90 of 91 results
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.88m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C (at steady state) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (dependent on setpoint and load) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-13m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction Type | Modular Walk-in Chamber with Structural Steel Frame |
| Refrigeration System | Dual-stage Cascade Compressor System (Standard) |
| Air Circulation | High-capacity Centrifugal Blower with Optimized Ductwork |
| Insulation | 150 mm Polyurethane (PU) Core Sandwich Panels (Thermal Conductivity ≤ 0.022 W/m·K) |
| Door | Reinforced Sealed Walk-in Door with Electric Defrost Viewing Window & Safety Interlock |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-4.8m² |
| Internal Dimensions (W×H×D) | 1800×1500×1500 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°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-8.0000m² |
| Price | USD 13,800 (FOB Guangdong) |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°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-8.1m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction Type | Modular Walk-in Chamber with Structural Steel Frame |
| Refrigeration System | Cascade Dual-Stage Compressor System (for models ≤ −40°C) |
| Air Circulation | High-Capacity Centrifugal Blowers with Optimized Ductwork for Uniform Thermal Distribution |
| Insulation | 150 mm Thick PU Foam-Core Sandwich Panels (Thermal Conductivity ≤ 0.022 W/m·K) |
| Door | Reinforced Sealed Walk-in Door with Double-Glazed Observation Window, Anti-Frost Heating, and Interlocked Safety Latch |
| Electrical Supply | 380 VAC, 3-Phase, 50/60 Hz |
| Compliance | Designed per IEC 60068-2-1 (Cold), IEC 60068-2-2 (Dry Heat), ISO 16750-4 (Road Vehicles), and ASTM D4332 (Conditioning of Packaging) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | OK-STH-8.38m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C (at steady state, per IEC 60068-3-5) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (empty chamber, typical mid-range condition) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8.5m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with reinforced steel frame |
| Door | Large insulated access door with observation window, anti-frost heating, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-capacity centrifugal fans with optimized ductwork |
| Control System | Programmable PLC-based controller with multi-segment ramp-soak profiles, real-time data logging, and Ethernet/RS485 interface |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-8.88m² |
| 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-Series (Custom Volume) |
| Price Range | USD 11,000–285,000 (FOB Guangdong) |
| Internal Dimensions | Custom-Designed per Customer Specification (D×W×H in meters) |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°C |
| Temperature Uniformity | ±3°C (at steady state, per IEC 60068-3-5) |
| Temperature Control Stability | ±1°C |
| Heating/cooling Ramp Rate | 1.0–4.0°C/min (average, non-loaded, mid-chamber) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-4 |
| Chamber Volume | Customizable (Standard nominal volume: 4 m³) |
| Temperature Range Options | A: 0°C |
| B | −20°C |
| C | −40°C |
| D | −60°C |
| E | −70°C |
| Temperature Uniformity | ±3.0°C (at stabilized low-temp setpoint) |
| Temperature Control Accuracy | ±1.0°C |
| Heating/Cooling Ramp Rate | 1.0–4.0°C/min (from +25°C to target low temperature, no-load condition) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-Custom Volume |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Control Accuracy | ±1°C |
| Ramp Rate | 1.0–4.0°C/min |
| Internal Dimensions | Custom-engineered per client specifications (D×W×H) |
| Construction | High-strength polyurethane sandwich panels (100–150 mm thickness) |
| Refrigeration System | Cascade dual-stage compressor system (for −40°C to −70°C models) |
| Heating System | High-power tubular electric heaters |
| Air Circulation | Heavy-duty centrifugal blower with optimized ductwork and adjustable airflow distribution |
| Controller | Programmable multi-segment temperature profile controller with real-time logging and Ethernet/RS485 interface |
| Compliance | Designed to meet IEC 60068-2-1 (Cold), IEC 60068-2-2 (Dry Heat), MIL-STD-810H Method 502.7, GJB 150.4A & 150.5A |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-12.11m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±2°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-8.00010m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +150°C |
| B | −20°C to +150°C |
| C | −40°C to +150°C |
| D | −60°C to +150°C |
| E | −70°C to +150°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 |
| Origin Category | Domestic |
| Model | OK-STH-5m³ |
| Temperature Range | Options A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C (to +150°C) |
| Temperature Uniformity | ±3°C |
| Control Accuracy | ±1°C |
| Ramp Rate | 1.0–4.0°C/min |
| Internal Dimensions | Custom-engineered per client specification (D×W×H) |
| Volume | 5 m³ nominal (scalable) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.00000m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C to +150°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±2°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 10–98% RH (dependent on temperature) |
| Compliance | Designed per GB/T 2423.4, IEC 60068-2-30, GB/T 2423.34, IEC 60068-2-38, GJB 150.9A, ISO 16750-4 |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-Custom Volume |
| Temperature Range | 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 |
| Internal Dimensions | Custom-engineered per client specification (D×W×H) |
| Structural Design | Modular insulated chamber with reinforced steel frame and walk-in access door |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) or optional LN₂ assist for enhanced cooling performance |
| Air Circulation | High-capacity centrifugal fans with optimized ductwork for uniform thermal distribution |
| Control System | Industrial-grade PLC-based controller with multi-segment programmable profiles, real-time data logging, Ethernet/RS485 interface, and audit-trail-capable software |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-13 |
| Temperature Range Options | 0°C / -20°C / -40°C / -60°C / -70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±2°C |
| Heating Rate | 1.0–4.0°C/min |
| Custom Internal Dimensions (D×W×H) | Engineered per client specification |
| Volume | 13 m³ |
| Pricing | USD 13,800 (FOB Guangdong) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-3 m³ (Custom Volume) |
| Temperature Range | Selectable Options: 0°C / -20°C / -40°C / -60°C / -70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±2°C |
| Heating Rate | 1.0–4.0°C/min |
| Construction | Modular PU-insulated sandwich panels with reinforced steel frame |
| Door | Large insulated walk-in door with observation window, anti-frost heater, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Control System | Programmable PLC-based controller with multi-segment ramp-soak profiles, data logging, and remote monitoring capability |
| Compliance | Designed to support GLP/GMP-aligned validation protocols |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-STH-Volume 9 |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Internal Dimensions | Custom-engineered per user specifications (D×W×H) |
| Construction | Structural steel frame, double-skin insulated panels (PU core), reinforced walk-in door with anti-frost heating, observation window, and cable/port penetrations |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic |
| Model Code | OK-STH-12.0005m² |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +85°C |
| B | −20°C to +85°C |
| C | −40°C to +85°C |
| D | −60°C to +85°C |
| E | −70°C to +85°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 Producer |
| Country of Origin | China |
| Model | OK-STH-12.0015m² |
| Working Chamber Dimensions (D×W×H) | 3000 × 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-8.123m² |
| 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 | 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 | 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) |