Environmental Test Chamber
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Showing 1951–1980 of 3663 results
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-0001 |
| Internal Dimensions | Custom-engineered per client specification (D×W×H) |
| Temperature Range | Selectable 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 Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-ZTH-1005 |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98 %RH at 20–85 °C |
| Temperature Ramp Rate | 5 / 10 / 15 °C/min |
| Temperature Uniformity | ≤ ±0.5 °C |
| Standard Load Capacity | 15 kg aluminum mass with 350 W internal heat dissipation |
| 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 Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range | −40 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Ramp Rate | +3 °C/min (heating), −1 °C/min (cooling) |
| Humidity Range | 20–98 %RH (standard configuration) |
| Humidity Uniformity | ±3 %RH |
| Refrigeration System | Dual-stage cascade refrigeration |
| Compressor | Tecumseh (France) hermetic scroll compressor |
| Controller | YX-880 programmable touchscreen PID controller with data logging option |
| Construction | Exterior – pre-painted galvanized steel |
| Safety Protections | Over-temperature cutoff, phase failure protection, water shortage alarm, ground fault circuit interrupter (GFCI), compressor high-pressure shutdown |
| 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 Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Model | OK-STH-8.22m² |
| 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 (at steady state, per ASTM E145 Class I) |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min (typical, no-load, mid-chamber) |
| 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 Environmental Systems |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-88 |
| Internal Volume | Custom-engineered (starting from 1 m³, scalable to ≥100 m³) |
| 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 (per IEC 60068-3-5 & ASTM E145) |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min (linear, load-dependent) |
| Humidity Range | 20–98% RH (at applicable temperature bands) |
| Humidity Control Accuracy | ±3% RH |
| Refrigeration System | Dual-stage cascade refrigeration (R404A/R23 or R507A, optional LN₂ assist for rapid cooldown) |
| Air Circulation | High-capacity centrifugal blower with optimized ducted airflow and multi-point return design |
| Structural Insulation | 100–200 mm thick PU/rockwool sandwich panels (thermal conductivity ≤0.022 W/m·K) |
| Door | Reinforced insulated swing door with double-glazed observation window, anti-frost heater, safety interlock, and emergency egress release |
| Electrical Interface | 3-phase 380 VAC ±10%, 50 Hz (customizable for 400 V / 60 Hz) |
| Compliance | Designed per ISO 17025 laboratory infrastructure requirements |
| 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-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 Category | Domestic |
| Model | OK-TH-10 |
| Instrument Type | Benchtop |
| Cooling Method | Air-Cooled |
| Temperature Range | −40 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions | 600 × 500 × 400 mm (W × D × H) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-TH-150.1 |
| Instrument Type | Benchtop |
| Condensation Method | Air-Cooled |
| Temperature Range | -40 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions | 500 × 600 × 500 mm (L×W×H) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-20 |
| Instrument Type | Benchtop |
| Condensation Method | Air-Cooled |
| Temperature Range | −40 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions (W×D×H) | 700 × 500 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-21 |
| Instrument Type | Benchtop |
| Condensation Method | Air-Cooled |
| Temperature Range | -40 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions | 600 × 500 × 400 mm (W × D × H) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-408 |
| Instrument Type | Benchtop |
| Condensation Method | Air-Cooled |
| Temperature Range | -50 °C to +150 °C |
| Humidity Range | 20–98% RH |
| Temperature Deviation | ≤ ±2 °C |
| Temperature Uniformity | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Deviation | ≤ ±3% RH |
| Humidity Fluctuation | ±3% RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions | 600 × 850 × 800 mm (W × H × D) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-8 |
| Instrument Type | Benchtop |
| Cooling Method | Air-Cooled |
| Temperature Range | -40 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions (W×D×H) | 600 × 500 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-800.00 |
| Instrument Type | Benchtop |
| Cooling Method | Air-Cooled |
| Temperature Range | 15–45°C |
| Humidity Range | 30–98% RH |
| Temperature Uniformity | ≤ ±2°C |
| Temperature Fluctuation | ±1°C (high-temp), ±2°C (low-temp) |
| Humidity Uniformity | ≤ ±3% RH |
| Humidity Fluctuation | ±3% RH |
| Heating Rate | 1.0–3.0°C/min |
| Brand | OK |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-ZTH-390.000 |
| Temperature Range | −70 °C to +150 °C |
| Humidity Range | 20–98 %RH at 20–85 °C |
| Temperature Uniformity | ≤ ±0.5 °C |
| Standard Load Capacity | 15 kg aluminum mass (350 W thermal dissipation) |
| Control Interface | 7-inch LCD color touchscreen controller with RS-232 communication port |
| Refrigeration System | Twin-stage or cascade low-temperature circuit with hermetic compressors (Tecumseh or Bitzer equivalent) |
| Internal Chamber Material | Mirror-finished SUS304 stainless steel |
| External Casing | Zinc-coated steel with powder coating |
| Vibration Integration | Modular electrodynamic shaker coupling with dynamic load transfer optimization |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-STH (Custom Volume) |
| Price | USD 13,800 (FOB Guangdong) |
| Internal Dimensions (D×W×H) | Customizable |
| Temperature Range | −40 °C to +150 °C |
| Temperature Uniformity | ±2 °C |
| Temperature Control Accuracy | ±1 °C |
| Heating Rate | 3 °C/min |
| Cooling Rate | 1 °C/min |
| Brand | OK Instrument |
|---|---|
| Model | KS-TH-225 |
| Construction | CNC-machined stainless steel (SUS304) inner chamber, A3 steel powder-coated exterior |
| Temperature Range | −70 °C to +150 °C (configurable via optional sub-zero or high-temp modules) |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±0.5 °C |
| Humidity Range | 30–98% RH |
| Humidity Deviation | +2 / −3% RH |
| Avg. Ramp Rate | 0.7–1.0 °C/min |
| Test Port | Ø50 mm |
| Time Setting Range | 0–9999 h |
| Power Supply | AC 380 V, 3-phase |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-FH-125 |
| Temperature Range | Option A: 0°C to 80°C |
| Option B | −20°C to 80°C |
| Option C | −40°C to 80°C |
| Humidity Range | 20–98 %RH at 20–85 °C |
| Temperature Ramp Rate | 5 / 10 / 15 °C/min |
| Temperature Uniformity | ≤ ±0.5 °C |
| Standard Load Capacity | 15 kg aluminum mass with 350 W internal heat dissipation |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-150.0 |
| Instrument Type | Benchtop |
| Cooling Method | Air-Cooled |
| Temperature Range | −20 °C to +150 °C |
| Humidity Range | 20–98 % RH |
| Temperature Uniformity | ≤ ±2 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Uniformity | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Interior Dimensions | 500 × 600 × 500 mm (W × D × H) |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-TH-225.1 |
| Instrument Type | Benchtop |
| Condensation Method | Air-Cooled |
| Temperature Range | −40 °C to +150 °C |
| Humidity Range | 20–98 % RH (at 10–85 °C) |
| Temperature Deviation | ≤ ±2 °C |
| Temperature Uniformity | ±1.0 °C |
| Temperature Fluctuation | ±1 °C (high-temp), ±2 °C (low-temp) |
| Humidity Deviation | ≤ ±3 % RH |
| Humidity Fluctuation | ±3 % RH |
| Heating Rate | 1.0–3.0 °C/min |
| Internal Chamber Dimensions | 600 × 750 × 500 mm (W × H × D) |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-TS-12 |
| Price | USD 12,500 (FOB Guangdong) |
| High-Temperature Range | +150 °C |
| Low-Temperature Range | −50 °C |
| Thermal Shock Range | −50 °C to +150 °C |
| Temperature Stability | ±2 °C |
| Heating Rate | 10 °C/min |
| Cooling Rate | 10 °C/min |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-TS-15 |
| Price | USD 12,500 (FOB Guangdong) |
| High-Temperature Range | +150 °C |
| Low-Temperature Range | −50 °C |
| Thermal Shock Range | −50 °C to +150 °C |
| Temperature Stability | ±2 °C |
| Heating Rate | 10 °C/min |
| Cooling Rate | 10 °C/min |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-TS-49 |
| Price | USD 12,500 (FOB Guangdong) |
| High-Temperature Range | +150 °C |
| Low-Temperature Range | −50 °C |
| Thermal Shock Range | −50 °C to +150 °C |
| Temperature Stability | ±2.0 °C |
| Heating Rate | 10 °C/min |
| Cooling Rate | 10 °C/min |
| Temperature Control Accuracy | ±0.5 °C |
| Temperature Uniformity | ±2.0 °C |
| Hot Zone Storage Range | RT to +200 °C |
| Cold Zone Storage Range | RT to −70 °C |
| Transfer Time (Door Switch) | <5 min |
| Internal Dimensions (W×H×D) | 40×35×30 cm |
| External Dimensions (W×H×D) | 145×180×140 cm |
| Refrigeration System | Hermetic or Semi-Hermetic Compressor with R404A/R23 Eco-Friendly Refrigerant |
| Interior Material | SUS#304 Mirror-Finish Stainless Steel |
| Exterior Material | SUS#304 Stainless Steel or Powder-Coated Steel |
| Insulation | High-Density Fire-Retardant PU Foam |
| Power Supply | AC 380 V ±5%, 50 Hz ±0.5 Hz, 3-Phase 5-Wire |
| Brand | OK Instrument |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-TS-80.00 |
| High Temperature Range | +150 °C |
| Low Temperature Range | −50 °C |
| Thermal Shock Range | −50 °C to +150 °C |
| Temperature Stability | ±2 °C |
| Heating Rate | 10 °C/min |
| Cooling Rate | 10 °C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-HAST-35 |
| Price | USD 14,000 (FOB Guangdong) |
| Internal Dimensions (Ø × D) | 300 × 450 mm |
| External Dimensions (W × H × D) | 580 × 850 × 650 mm |
| Operating Temperature Range | 105–135 °C (143 °C optional) |
| Relative Humidity Range | 70–100 % RH |
| Steam Pressure Range | 0–200 kPa (gauge) [0–2.0 kgf/cm²] (300 kPa optional) |
| Heating Power | 3.5 kW (AC220V/50–60 Hz) or 6.0 kW (AC380V/50–60 Hz) |
| Safety Systems | Dual overheat protection, mechanical pressure relief valve, door interlock switch, low-water cutoff, automatic steam purge, ABS insulated door cover |
| Standard Accessories | Two stainless-steel shelves |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | OK-HC-900 |
| Sand Composition | 97–99% SiO₂ (silicon dioxide) |
| Sand Blowing Concentration | 1.1 g/m³ ± 0.25 g/m³ to 2.2 g/m³ ± 0.5 g/m³ |
| Sand Blowing Velocity | 0–29 m/s |
| Dust Blowing Concentration | 0.1–10.6 g/m³ ± 7 g/m³ |
| Dust Blowing Velocity | 8.9 m/s ± 1.2 m/s |
| Internal Chamber Dimensions | 90 × 90 × 90 cm |
| Temperature Range | 20 °C ± 15 °C (ambient) |
| Relative Humidity | 45–90 % RH |
| Test Duration | 0–99 h |
| Dust Type | Talcum powder or standardized test dust (particle size ≤ 75 µm |
| nominal wire diameter of sieve mesh | 50 µm) |
| Air Pressure Control | Bottom-mounted pneumatic dust dispersion with adjustable pressure and free-fall sedimentation |
| Power Supply | AC 220 V ± 5 % / 50 Hz ± 0.5 Hz |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-HL-100 |
| Temperature Range | -70 °C to +150 °C |
| Refrigeration Method | Compressor-based Cooling |
| Explosion-Proof Design | Standard (Non-Explosion-Proof) |
| Temperature Fluctuation | ±0.5 °C |
| Temperature Uniformity | ±2.0 °C |
| Temperature Deviation | ±2.0 °C |
| Heating Rate | ≤60 min (from -70 °C to +150 °C) |
| Cooling Rate | ≤45–80 min (depending on setpoint and load) |
| Internal Chamber Dimensions | 500 mm × 500 mm × 400 mm (W×H×D) |
| Construction Material | SUS#304 Stainless Steel (inner & outer chamber) |
| Control System | Microprocessor-based Color Touchscreen Controller with English/Chinese UI |
| Viewing Window | Multi-layer Tempered Glass with Conductive ITO Film |
| Test Port | Ø50 mm (left-side, single port) |
| Safety Features | Real-time Fault Detection, Automatic Power Cut-off, Over-Temperature & Over-Pressure Protection |
| Power Supply | AC 380 V ±5%, 50 Hz ±0.5 Hz, 3-phase 5-wire |