- All
- Favorite
- Popular
- Most rated
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12m2.0100 |
| Internal Dimensions (D×W×H) | 3000 × 2000 × 2000 mm |
| Temperature Range | −40 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Ramp Rate | +3 °C/min (heat-up), −1 °C/min (cool-down) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.00m² |
| Internal Working 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 |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Electrically heated, double-glazed observation door with safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Controller | Programmable PLC-based touchscreen interface with Ethernet/RS485 connectivity |
| Compliance | Designed to support ISO 16750-4, ASTM D4332, IEC 60068-2-1, IEC 60068-2-2, MIL-STD-810H environmental test protocols |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-4m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 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 |
| Humidity Control | Standard Integrated System |
| Construction | Modular PU-insulated sandwich panels with reinforced steel frame |
| Door | Large-sealed access door with observation window, anti-frost heating, and safety interlock |
| Refrigeration | Cascade dual-stage compressor system |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Control System | Industrial PLC-based touchscreen controller with programmable profiles, data logging, and remote monitoring capability |
| 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 |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-8.8.0m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range Options | A: 0°C to +80°C |
| B | −20°C to +80°C |
| C | −40°C to +80°C |
| D | −60°C to +80°C |
| E | −70°C to +80°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-12.4m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0–85°C |
| B | −20–85°C |
| C | −40–85°C |
| D | −60–85°C |
| E | −70–85°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH |
| Humidity Control Accuracy | ±3% RH |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Reinforced airtight walk-in door with observation window, anti-frost heating, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork for uniform airflow |
| Control System | Industrial PLC-based controller with programmable multi-step profiles, real-time data logging, Ethernet connectivity, and audit trail capability |
| Brand | OK Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | OK-STH-8.6m² |
| Internal Dimensions (W×D×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 |
| Humidity Range | 20–98% RH |
| Humidity Control Accuracy | ±3% RH |
| Construction | Double-skinned color-coated steel panels with high-density polyurethane (PU) insulation (≥150 mm thickness) |
| Door | Electrically heated observation door with safety interlock and anti-frost function |
| Refrigeration System | Cascade refrigeration (dual-stage compressors), optional LN₂ assist for accelerated cooling |
| Air Circulation | High-volume centrifugal fans with optimized ductwork for uniform airflow distribution |
| Control System | Industrial-grade PLC-based controller with 10.4″ touchscreen HMI, programmable multi-segment profiles, real-time data logging, USB export, Ethernet remote access, and audit trail capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12m² |
| 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 |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (standard configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation |
| Door | Electrically heated observation door with safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors) |
| Air Circulation | High-volume centrifugal fans with optimized ductwork |
| Control System | PLC-based touchscreen controller with programmable profiles, data logging, and Ethernet remote access |
| Brand | OK Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.000000m² |
| Temperature Range Options | 0°C / −20°C / −40°C / −60°C / −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Stability | ±2°C |
| Heating Rate | 1.0–4.0°C/min |
| Internal Dimensions | Custom-engineered per client specification (floor area ≥12.0 m²) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.022m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 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 |
| Humidity Range | 20–98% RH |
| Humidity Control Accuracy | ±3% RH |
| Humidity Uniformity | ±3% RH |
| Brand | OK Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Product Category | Domestic |
| Model | OK-STH-8.223m² |
| Internal Dimensions (W×D×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 (at steady state, per IEC 60068-3-5) |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min (load-dependent, no internal heat load) |
| 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 (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 |
| Model | OK-STH-8.00m² |
| Internal Dimensions (D×W×H) | 2000 × 2000 × 2000 mm |
| Temperature Ranges | 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-STH-12.0000m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 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 | Modular PU-insulated sandwich panels with steel frame, walk-in sealed door with anti-frost heating, integrated air circulation ducting and centrifugal fans |
| Refrigeration System | Cascade refrigeration (dual-stage compressors), evaporator and heater arrays distributed for uniform thermal field |
| Control System | Industrial PLC-based controller with programmable multi-step temperature profiles, real-time data logging, remote monitoring interface, and safety interlocks |
| 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 |
| Model | OK-STH-8m² |
| Internal Dimensions (W×D×H) | 2000 × 2000 × 2000 mm |
| Temperature Range | −50°C to +150°C |
| Temperature Uniformity | ±2°C |
| Temperature Control Accuracy | ±0.1°C |
| Heating Rate | 3°C/min |
| Cooling Rate | 1°C/min |
| Humidity Range | 30–98% RH |
| Humidity Control Accuracy | ±1% RH |
| Power Supply | AC 380 V ±10%, 50 Hz, 3-phase 5-wire |
| Total Power | 12 kW |
| Compliance | GB/T 10586–2014, GB/T 10592–2018, GB/T 2423.1–2023, GB/T 2423.2–2023, GB/T 2423.3–2016, GB/T 2423.4–2016 |
| 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 |
| Product Origin | Domestic (China) |
| Model | OK-STH-4.2m² |
| Internal Dimensions (D×W×H) | 1500 × 1800 × 1500 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 |
| Humidity Range | 20–98% RH (optional configuration) |
| Humidity Control Accuracy | ±3% RH (at 25°C) |
| Construction | Double-skin steel panels with high-density polyurethane (PU) insulation core |
| Door | Reinforced insulated door with observation window, anti-frost heating, and safety interlock |
| Refrigeration System | Cascade refrigeration (dual-stage compressors), optional LN₂ assist for rapid cooldown |
| Air Circulation | High-volume centrifugal fans with optimized ductwork for uniform thermal distribution |
| Control System | Industrial-grade PLC with 10.4″ color touchscreen HMI, programmable multi-segment profiles, real-time data logging, USB export, Ethernet remote access, and audit trail capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-Volume.0 |
| Price | USD 11,200 (FOB Guangdong) |
| Internal Dimensions (D×W×H) | Customizable |
| Temperature Range | −70 °C to +150 °C |
| Temperature Uniformity | ±3 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | Up to 3 °C/min |
| Cooling Rate | Up to 1 °C/min |
| Humidity Range | 20–98% RH (at ≥10 °C) |
| Humidity Control Accuracy | ±2.5% RH |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.00100m² |
| 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 |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (standard configuration) |
| Humidity Control Accuracy | ±3% RH (at 25–85°C) |
| Power Supply Integration | Multi-circuit AC/DC distribution cabinet with real-time voltage/current/power monitoring |
| Structural Material | Stainless steel inner chamber and reinforced load-bearing test racks |
| Safety Systems | Internal emergency egress, explosion-proof observation window, smoke detection with automatic exhaust activation |
| Controller | Industrial-grade PLC with 7×24 h continuous operation capability |
| Compliance | Designed to support ISO 16750-4, IEC 60068-2-30, MIL-STD-810H (Method 507.6), and JESD22-A101 for humidity testing |
| Brand | OK Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-8m2 |
| Internal Dimensions (W×D×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 |
| Humidity Range | 20–98% RH (at applicable temperature bands) |
| Humidity Control Accuracy | ±3% RH |
| Refrigeration System | Dual-stage cascade refrigeration with parallel compressors |
| Air Circulation | High-capacity centrifugal fans with optimized ductwork for uniform airflow distribution |
| Structural Insulation | 150 mm thick polyurethane (PU) insulated sandwich panels (double-skin galvanized steel) |
| Door | Reinforced airtight walk-in door with anti-frost heating, observation window, and safety interlock |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range | −50 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | +3 °C/min |
| Cooling Rate | −1 °C/min |
| Construction | Exterior – Premium Color-Coated Steel |
| Refrigeration System | Dual-Stage Cascade Refrigeration |
| Compressor | Hermetic Tecumseh (France) |
| Humidity Range | 10–98 %RH (optional configuration) |
| Humidity Uniformity | ±2–3 %RH |
| Controller | YX-880 Touchscreen PID Controller (Hong Kong) |
| Power Supply | AC 1φ 220 V / 3φ 220/380 V, 50/60 Hz |
| Compliance | GB 11158, GB/T 2423.1–2423.4, IEC 60068-2-1 & -2-2, GJB 150.3/150.4/150.9 |
| 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 |
Show next