Descripition
Humidity control chamber can be used to test the heat, cold, dry and moisture resistance of various materials. It is suitable for quality control, research and testing in factories, research institutes, inspection and quarantine bureaus, colleges and other industrial units of electronics, electrical appliances, food, vehicles, metals, chemicals, paper products, building materials, etc.
Corresponding Standard:
GB11158 high-temperature test box
GB 10589-89 low-temperature test box
GB/ t10586-89 high-temperature and low-temperature test chamber
GB/T 2423.1-2008 low-temperature test method pictures of high-temperature test box test method
GB/ T 2423.3-2006, alternating wet heat test method GB/ t2423.4-2008
GB/T2423.22-2002 temperature change test method
IEC60068-2-1.1990 - test method for low temperature test chamber
Production Specification
Model | A | B | C | D | E | F |
Capacity (L) | 80 | 150 | 225 | 408 | 800 | 1000 |
Inner size(cm) | 40×50×40 | 50*60*50 | 50×75×60 | 60×85×80 | 100×100×85 | 100×100×100 |
Out size(cm) | 90*90*150 | 95*150*105 | 95×165×115 | 105×175×135 | 145×190×135 | 145×190×155 |
Weight(Kg) | 300 | 320 | 350 | 400 | 600 | 700 |
Function | Temp range | -73℃，-60℃-40℃，-20℃，0℃，+150℃，+180℃ | ||||
Humidity range | 20%RH ～98%RH | |||||
Temp fluctuation | ±0.5℃ | |||||
Heating rate | ≥3°C/min | |||||
Cooling rate | ≥1°C/min | |||||
Material | Inner material | SUS304 Mirror stainless steel plate | ||||
Out material | SUS304 Brushed stainless steel or rustproof cold-rolled steel (plastic spraying) | |||||
Insulation materials | Special super fine glass wool + polyurethane foam for constant temperature and humidity box | |||||
Regulator | Cooling methods | Mechanical binary refrigeration system | ||||
Refrigerator | Fully enclosed (French taikang or German grain wheel) compressor | |||||
Refrigerating fluid | R23/ R404A | |||||
Condensation | Air or water cooled | |||||
Heater | Ni-cr stainless tube heater | |||||
Air blower | Centrifugal fan | |||||
Airflow mode | Wide-band forced air circulation (top out, bottom in) | |||||
Controller | Operation menu | LCD touch screen for constant temperature and humidity machine, switching between Chinese and English | ||||
Run methods | Constant running, program running | |||||
Program memory capacity | 120 sets of programmable, 999 large segments per program | |||||
Set index range | Temp：-100℃+300℃ | |||||
Resolution | Temp：0.01℃ | |||||
Input | PT100 or T thermocouple | |||||
Control methods | PID control | |||||
Communication function | Rs-232 interface for constant temperature and humidity machine (distribution disc) | |||||
Print function | Yokogawa 6-point recorder (optional) | |||||
Other function | Upper and lower limit alarm, self-diagnosis, alarm display (cause of failure), timing device (automatic startup and shutdown) | |||||
