Model | ND-408A | ND-408B | ND-408C | ND-408D |
| Temperature range | -20℃~+150℃ | -40℃~+150℃ | -60℃~+150℃ | -70℃~+150℃ |
Temperature fluctuation | ≤± 0.5 ℃ (at constant temperature) |
Temperature uniformity | ≤±2.0℃ |
Temperature deviation | ≤±2.0℃ |
Excessive temperature rise and fall | ≤±2.0℃ |
Heating rate | Average 3 ℃/min, non-linear throughout the entire process |
cooling rate | Average 1℃/min, non-linear throughout the entire process |
Humidity range | 20%RH~98%RH |
Humidity fluctuation | ±2.0%RH |
Humidity uniformity | ±3.0%RH |
Humidity deviation | ± 3.0% RH (humidity>75% RH), ± 5.0% RH (humidity ≤ 75% RH) |
Equipment noise | ≤ 70dB (A-level, constant, 1 meter in front of the equipment) |
Nominal internal volume (L) | 480L |
Inner box size (w*d*h) mm | W800mm×D600mm×H850mm |
Outer box size (w*d*h) mm | W1050mm×D1600mm×H1850mm |
Material | inner box | SUS304 stainless steel plate |
Outer box | Coating anti rust treatment and spray coating on the surface of
cold-rolled steel plate |
Sealing strip | Imported silicone sealing strip |
Insulation layer | Thick polyurethane foam and glass fiber |
System | Heating adjustment. | Nickel chromium alloy electric wire heater |
Humidification regulation | Stainless steel armored humidifier (heating humidification method) |
refrigerator | French Taikang fully enclosed compressor |
cryogen | Non fluorinated environmentally friendly refrigerant R404A/R23 |
Cooling metho | Mechanical compression single-stage refrigeration (air-cooled or
water-cooled) | Mechanical compression two-stage refrigeration (air-cooled or
water-cooled) |
Circulating fan | Centrifugal fan |
Controller | display | TFT true color LED touch screen, Chinese/English menu, touch input
mode |
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