OK Instruments
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| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-UV-290.00..0 |
| Humidity Range | ≥95% RH (in-chamber actual value) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Irradiation Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-UV-290.0000 |
| Humidity Range | ≥95% RH (actual chamber humidity) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength | 300 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-290.0021 |
| Humidity Range | ≥95% RH (in-chamber actual value) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-UV-290.02 |
| Humidity Range | ≥95% RH (in-chamber actual value) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Internal Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-UV-290.101 |
| Humidity Range | ≥95% RH (actual chamber humidity) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Test Duration | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-292 |
| Humidity Range | ≥95% RH (actual chamber humidity) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Black Panel Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-290.00..0.. |
| Humidity Range | ≥95% RH (in-chamber actual value) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Exposure Time | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-290.000 |
| Humidity Range | ≥95% RH (chamber internal humidity) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² @ 340 nm |
| Exposure Time Setting | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-UV-290.000 |
| Humidity Range | ≥95% RH (in-chamber actual value) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² |
| Test Duration | 1–9999 h (adjustable) |
| Illumination Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-290.12 |
| Humidity Range | ≥95% RH (chamber internal humidity) |
| UV Lamp Power | 40 W per lamp |
| Irradiance Range | 0.72 W/m² @ 340 nm |
| Exposure Time | 1–9999 h (programmable) |
| Irradiation Temperature Range | RT to 70 °C (black panel temperature) |
| UV Wavelength Range | 280–400 nm |
| Chamber Internal Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | OK-UV-293 |
| Price | USD 2,650 (FOB) |
| Humidity Range | ≥95% RH (chamber internal humidity) |
| Lamp Power | 40 W per tube |
| Irradiance Range | 0.72 W/m² (at sample plane, UVA-340 weighted) |
| Exposure Time Setting | 1–9999 h (programmable) |
| Illuminated Temperature Range | RT to 70 °C |
| UV Wavelength Range | 280–400 nm |
| Chamber Internal Dimensions (L×W×H) | 1170 × 400 × 400 mm |
| 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 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 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 Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-8.3m² |
| 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 (dependent on setpoint and load) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-Series (Custom Volume) |
| Internal Dimensions | Custom-Designed per Client Specification (D×W×H) |
| Temperature Range Options | A: 0°C / B: −20°C / C: −40°C / D: −60°C / E: −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Stability | ±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 PU Foam Insulation |
| Door | Reinforced Sealed Walk-in Door with Observation Window, Anti-Frost Heater & Safety Interlock |
| Refrigeration System | Cascade Compressor System (Two-Stage) or LN₂-Assisted Cooling (Optional) |
| Air Circulation | High-Capacity Centrifugal Blower with Optimized Ductwork |
| Control System | Industrial PLC-Based Controller with Touchscreen HMI, Programmable Ramp/Soak Profiles, Data Logging, Remote Monitoring & Audit Trail Capability |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic |
| Model | OK-STH-1.2 (Custom Volume) |
| Working Dimensions (D×W×H) | Custom-engineered per client specification |
| Temperature Range Options | A: 0°C |
| B | −20°C |
| C | −40°C |
| D | −60°C |
| E | −70°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Stability | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| 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-Designed per User Specification (D×W×H) |
| Pricing | USD 11,200 (FOB Guangdong) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-8.8m² |
| 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 |
| Construction | Modular PU-insulated sandwich panels with steel frame, double-sealed walk-in door, integrated air circulation and multi-stage refrigeration system |
| 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-12.00100m² |
| 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 Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-1 |
| Temperature Range | Selectable Options — A: 0°C, B: −20°C, C: −40°C, D: −60°C, E: −70°C |
| Temperature Uniformity | ±3°C (at steady state, empty chamber) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (average, under standard load conditions) |
| Internal Dimensions | Custom-engineered per client specification (D×W×H) |
| Construction | Modular polyurethane insulated panels (100–150 mm thickness), field-assembled |
| Cooling System | Water-cooled multi-compressor refrigeration (scroll or screw compressors) |
| Air Distribution | Multi-zone ducted airflow with CFD-optimized circulation |
| Control System | Programmable multi-segment PID controller with Ethernet-enabled remote monitoring and data logging |
| 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 | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | OK-STH-12.0100m² |
| Temperature Range | Selectable 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 (within working volume) |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min (average, under no-load conditions) |
| Working Volume | Custom-engineered per client specification (minimum base footprint: 12.0 m² floor area) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.1m² |
| 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 |
| Humidity Range | 20–98% RH (operational range varies with temperature |
| Humidity Control Accuracy | ±3% RH (at 25°C/50% RH reference point) |
| Brand | OK Instruments |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | OK-STH-12.22m² |
| Internal Dimensions (W×D×H) | 2000 × 3000 × 2000 mm |
| Temperature Range Options | A: 0°C to +100°C |
| B | −20°C to +100°C |
| C | −40°C to +100°C |
| D | −60°C to +100°C |
| E | −70°C to +100°C |
| Temperature Uniformity | ±3°C |
| Temperature Control Accuracy | ±1°C |
| Heating Rate | 1.0–4.0°C/min |
| Humidity Range | 20–98% RH (dependent on temperature) |
| Refrigeration System | Cascade-type with eco-friendly refrigerants (R404A/R23) |
| Control System | Programmable touchscreen controller with Pt100 and capacitive humidity sensors |
| Compliance | Designed to support IEC 60068-2-1, -2, -30 |
| 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 |