Constant temperature and humidity box
Product Information
Product Description
1. Use
Temperature humidity test chamber, known as environmental testing machine, tests the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories.
2. Meet the standards
GB/T2423.1-2008(IEC60068-2-1:2007) low temperature test method Ab
GB/T2423.2-2008(IEC60068-2-2:2007) high temperature test method Bb
GJB150.4-1986 low temperature test
GJB150.3-1986 high temperature test
GB/T2423.3-2006(IEC60068-2-78:2007) constant humidity hot test method Cab
GB/T2423.4-2008(IEC60068-2-30:2005) alternating hot and humidity test method Db
GJB150.9-1986 hot and humidity test
（Per cubic meter the load is not more than 35 kg/m3 steel heat capacity, no humidity and hot load when hot and humidity test）
3. Temperature humidity test chamber technical parameters
Temperature humidity test chamber, known as environmental testing machine, tests the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. Suitable for electronics, electrical appliances, food, vehicles, metals, chemicals, building materials and other factories.
2. Meet the standards
GB/T2423.1-2008(IEC60068-2-1:2007) low temperature test method Ab
GB/T2423.2-2008(IEC60068-2-2:2007) high temperature test method Bb
GJB150.4-1986 low temperature test
GJB150.3-1986 high temperature test
GB/T2423.3-2006(IEC60068-2-78:2007) constant humidity hot test method Cab
GB/T2423.4-2008(IEC60068-2-30:2005) alternating hot and humidity test method Db
GJB150.9-1986 hot and humidity test
（Per cubic meter the load is not more than 35 kg/m3 steel heat capacity, no humidity and hot load when hot and humidity test）
3. Temperature humidity test chamber technical parameters
| 1. Volume, size and weight | |
| 1.1. Volume | （100L） |
| 1.2. Inner box size | W(500)mm × H(500)mm × D(400)mm |
| 1.3. Outer box | W(1000)mm × H(1580)mm × D(950)mm |
| 1.4. Weight | 200KG |
| 1.5. Power | AC 220V 50HZ 5.5KW |
| 2. Performance | |
| 2.1. Test environment conditions | Environment temperature +5～+28℃, relative humidity≤85%, under the condition of no sample in the chamber |
| 2.2. Standards |
GB/T 5170.2-2008 Temperature testing equipment GB/T 5170.5-2008 Hot and humidity test equipment IEC60068-2, GJB150.9-1986, GJB150.4-1986, etc. |
| 2.3. Temperature range | -40℃～+150℃ |
| 2.4. Control precision | Temperature：±0.2℃ Humidity：±2.5% |
| 2.5. Temperature fluctuation | ≤0.5℃ |
| 2.6. Temperature error | ≤±1℃ |
| 2.7. Temperature uniformity | ≤2.0℃ |
| 2.8. Heating rate | 3℃/min（nonlinear and no-load） |
| 2.9. Cooling rate | 0.75～1.2℃/Min（nonlinear and no-load） |
| 2.10. Humidity range | （20～98）%RH (prolonged humidity testing at temperatures between 20 and 40 degrees will cause the evaporator to freeze! If the customer often makes low humidity temperature point, please explain in advance before ordering.) |
| 2.11. Relative humidity error | ±2.5%RH |
