Model | KWD-100K | KWD-150K | KWD-225K | KWD-408K | KWD-800K | KWD-1000K | ||
| Content Volume (L) | 100 | 150 | 225 | 408 | 800 | 1000 | ||
Internal Dimensions (mm) W x H x D | 400×500×500 | 500×600×500 | 500×750×600 | 600×850 ×800 | 1000×1000×850 | 1000×1000×1000 | ||
External Dimensions (mm) W×H×D | 850×1400×1050 | 950×1500×1050 | 950×1765×1150 | 1050×1850×1350 | 1450×1900×1350 | 1450×1900×1550 | ||
Weight (Kg) | 200 | 250 | 300 | 400 | 600 | 700 | ||
Sex | Temperature Range | 0℃、 -20 ℃、 -40 ℃、-50℃、-60 、-70 ℃ ~ +150 ℃ | ||||||
| Humidity Range | 20%-98% R.H. (Humidity function optional) | |||||||
| Uniformity of temperature | ±1.5℃ | |||||||
| Temperature fluctuation | ±0.5℃ | |||||||
| Uniform humidity level | ±3%R.H | |||||||
| Humidity Fluctuation | ±1%R.H | |||||||
| Rising rate | ≥ 2.5°C/min | |||||||
| Cooling rate | 3°C/min, 5°C/min, 8°C/min, 10°C/min, 13°C/min, 15°C/min available | |||||||
Material | Inner material | SUS304 Bright Stainless Steel Sheet | ||||||
| Shell material | SUS304 brushed stainless steel sheet or rust-proof treated cold-rolled steel sheet (powder coated) | |||||||
| Insulating materials | Ultra-fine glass wool + Polyurethane foam | |||||||
Adjust | Cooling Method | Mechanical binary refrigeration method | ||||||
| Refrigeration unit | All imported ultra-low temperature refrigeration compressor | |||||||
| Refrigerant | R404A (environmentally friendly) | |||||||
Condensation Method | Air-cooled or Water-cooled | |||||||
| Heater | Nickel-chromium alloy stainless steel tube heater | |||||||
| Humidifier | Stainless Steel Humidifier Cylinder | |||||||
| Blower | Centrifugal Fan | |||||||
| Airflow method | Wide Belt Forced Airflow Circulation (top entry, bottom exit) | |||||||
Control | Operation Interface | LCD Touch Screen Display, English and Chinese Language Switch | ||||||
| Operation Method | Constant operation, program operation | |||||||
Program memory capacity | 120 programmable, each program max 999 (segments) | |||||||
Set target range | Temperature: -100℃ to +300℃; Humidity: 99.9% R.H. | |||||||
| Resolution | Temperature: 0.1℃ Humidity: 0.1% R.H. | |||||||
| Input | PT100 Platinum Resistance Element | |||||||
| Control Method | PID control | |||||||
| Communication Features | RS-232 Interface | |||||||
| Printing Function | Nippon Daito 6-Point Recorder (optional accessory) | |||||||
| Additional Features | Upper and lower limit alarms, self-diagnosis, alarm display (fault cause), timing device (auto start, auto shutdown) | |||||||
Supply | Water supply method | Recirculating Water Supply | ||||||
| Water tank | Built-in Carry-On (30kg Capacity) | |||||||
| Water Quality | Resistivity > 500 Ω·m | |||||||
| Standard Configuration | Observation window (double-layered insulating tempered glass) 1 pc; Test hole 60mm (located on the left) 1 pc; Sample rack 2 levels; Interior lighting (fluorescent light) 1 pc; Water supply tank 1 pc; | |||||||
| Safety device | Leakage protector for power supply, dry burn prevention device, water system protection, extreme high and low temperature protection, temperature deviation alarm, overpressure, overload, water shortage, and equal deficiency protection. | |||||||
＊AboveRapid Temperature Change Test ChamberSizes can be customized according to the customer's specific requirements.
