Temperature and Humidity Controlled Chamber
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| Brand | OK |
|---|---|
| Model Series | OK-TH-80 to OK-TH-1000 |
| Chamber Type | Vertical Benchtop-to-Floor-Standing Environmental Test Chamber |
| Temperature Range | -70 °C to +150 °C (configurable variants: A/B/C/D) |
| Humidity Range | 20–98 %RH (optional 5–98 %RH or 10–98 %RH) |
| Temp. Uniformity | ±0.5 °C |
| RH Uniformity | ±2.5 %RH |
| Temp. Stability | ±2 °C |
| RH Stability | +2–3 %RH |
| Resolution | 0.1 °C / 0.1 %RH |
| Ramp Rate | Heating ~4.0 °C/min |
| Internal Dimensions (W×H×D, cm) | 40×50×40 to 100×100×100 |
| External Dimensions (W×H×D, cm) | 100×165×100 to 180×200×180 |
| Construction | Interior & Exterior – SUS#304 Stainless Steel |
| Viewing Window | Multi-layer tempered glass with conductive ITO film |
| Port | One Ø50 mm test port (left side) |
| Controller | Color touchscreen LCD with bilingual (EN/CN) interface |
| Refrigeration | Hermetic low-noise dual-stage compressor system |
| Refrigerants | R404A / R23 (environmentally compliant) |
| Power Supply | AC 380 V ±5 %, 50 Hz ±0.5 Hz, 3-phase 5-wire |
| Safety | Real-time fault detection, auto power cutoff, over-temp/over-humidity protection, door seal integrity monitoring |
| Brand | Other Brands |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Price | USD 2,650 (FOB) |
| Internal Dimensions (W×H×D, cm) | 40×50×40 to 100×100×100 |
| External Dimensions (W×H×D, cm) | 100×165×100 to 180×200×180 |
| Temperature Range | −70 °C to +150 °C (configurable models A–D) |
| Humidity Range | 5–98 %RH (standard 20–98 %RH |
| Temperature Uniformity | ±0.5 °C |
| Humidity Uniformity | ±2.5 %RH |
| Temperature Fluctuation | ±2 °C |
| Humidity Fluctuation | +2–3 %RH |
| Resolution | 0.1 °C / 0.1 %RH |
| Heating Rate | ~4.0 °C/min |
| Cooling Rate | ~1.0 °C/min |
| Refrigeration System | Hermetic dual-stage compressor with R404A/R23 eco-refrigerants |
| Controller | LCD touch-screen interface with bilingual (English/Chinese) OS |
| Construction Material | SUS#304 stainless steel interior and exterior |
| Standard Accessories | One φ50 mm cable port, two adjustable SUS#304 shelves, four casters + four leveling feet |
| Power Supply | AC 380 V ±5 %, 50 Hz ±0.5 Hz, 3-phase 5-wire, 2.5 m cord |
| Compliance | MIL-STD-810G (Method 501.6, 502.6), IEC 60068-2-1 (Cold), IEC 60068-2-2 (Dry Heat), IEC 60068-2-30 (Cyclic Humidity), GB/T 2423.1–2001, GB/T 2423.2–2001, GB/T 2423.4–1993 |
| Brand | OEM / Custom-Built |
|---|---|
| Origin | Imported |
| Manufacturer Type | Authorized Distributor |
| Temperature Range | –40 °C to +150 °C (optional down to –120 °C) |
| Humidity Range | 30–98% RH (optional 5–98% RH) |
| Temperature Resolution | 0.01 °C |
| Humidity Resolution | 0.1% RH |
| Temperature Uniformity | ±2 °C |
| Temperature Fluctuation | ±0.5 °C |
| Humidity Deviation | ±2.5% RH |
| Cooling Rate | 0.7–1.0 °C/min |
| Heating Rate | 2.0–3.0 °C/min |
| Control System | TEMI880 Color LCD Touchscreen Controller |
| Power Supply | 380 V ±5%, 50 Hz, 3P+N+G |
| Cooling Water Requirements | 10–28 °C, 0.1–0.3 MPa |
| Internal Chamber Material | SUS304 Stainless Steel |
| External Casing | SUS304 Stainless Steel or Powder-Coated A3 Steel |
| Brand | WEISS |
|---|---|
| Origin | Germany |
| Model | WK |
| Chamber Volume Options | 4–41 m³ |
| Temperature Range | +20 °C to +45 °C |
| Temperature Uniformity | ≤ ±1 °C |
| Humidity Range | 20–80 % RH |
| Humidity Stability (over time) | ≤ ±3 % RH |
| Insulation | CFC-free polyurethane (PU) |
| Control System | Microprocessor-based, compliant with GAMP 5 and FDA 21 CFR Part 11 |
| Humidification | Ultrasonic |
| Dehumidification | Refrigerant-based |
| Heating | Electric |
| Cooling | Air-cooled refrigeration |
| Safety Features | Dual independent temperature safety cut-offs, sample temperature monitoring, emergency door release |
| Brand | WEISS |
|---|---|
| Origin | Germany |
| Model | WK |
| Chamber Volume Options | 4, 10, 15, 25, 32, 41 m³ |
| Temperature Range | +20 to +45 °C |
| Temperature Uniformity | ≤ ±1 °C |
| Humidity Range | 20–80 %RH |
| Humidity Stability (over time) | ≤ ±3 %RH |
| Insulation | CFC-free polyurethane (PU) |
| Control System | Microprocessor-based, compliant with GAMP 5 and FDA 21 CFR Part 11 |
| Humidification | Ultrasonic |
| Dehumidification | Refrigerant-based |
| Heating | Electric |
| Cooling | Air-cooled refrigeration |
| Safety Features | Dual temperature monitoring, sample temperature protection, emergency door release |
| Brand | WEISS |
|---|---|
| Origin | Germany |
| Model | WK |
| Chamber Volume Options | 4, 10, 15, 25, 32, 41 m³ |
| Temperature Range | +20 to +45 °C |
| Temperature Uniformity | ≤ ±1 °C |
| Humidity Range | 20–80 %RH |
| Humidity Stability (over time) | ≤ ±3 %RH |
| Insulation | CFC-free polyurethane (PU) |
| Control System | Microprocessor-based, compliant with GAMP 5 and FDA 21 CFR Part 11 |
| Humidification | Ultrasonic |
| Dehumidification | Refrigerated |
| Heating | Electric |
| Cooling | Air-cooled refrigeration |
| Safety Features | Dual temperature safety cutoffs, sample temperature monitoring, emergency door release |
| Brand | YAMATO |
|---|---|
| Origin | Japan |
| Model | DKN313C |
| Instrument Type | Benchtop |
| Temperature Range | Ambient +10°C to 260°C |
| Temperature Uniformity | ±1.0°C (at setpoint) |
| Temperature Fluctuation | ±0.5°C |
| Heating Rate | ~60 min (from ambient to 210°C) |
| Chamber Volume | 27 L |
| Brand | YiHeng |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Region Category | Domestic (China) |
| Model | LHS Series |
| Price Range | USD 3,300 – 10,500 (FOB Shanghai) |
| Instrument Type | Vertical Chamber |
| Temperature Range | Type I: −5 to 80°C |
| Type II | −10 to 70°C |
| Humidity Range | Type I: 40–85% RH |
| Type II | 40–95% RH |
| Temperature Uniformity | ±0.5°C (high-temp), ±1.0°C (low-temp) |
| Humidity Deviation | ±3% RH |
| Heating Rate | 1.0–3.0°C/min |
| Internal Chamber Dimensions | See Technical Datasheet |