Test chamber standard:
⒈ IEC60068-2-1.1990 Low temperature test chamber test method.
⒉ IEC60068-2-2.1974 High temperature test chamber test method.
⒊ GB10592-89 Technical conditions for high and low temperature test chambers.
⒋ GB/T10586-89 Technical conditions for damp heat test chambers.
⒌ GB/T2423.1-2008 Low temperature test chamber test method.
⒍ GB/T2423.2-2008 High temperature test chamber test method.
⒎ GB/T2423.3-2006 Damp heat test chamber test method.
⒏ GB/T2423.4-2008 Alternating damp heat test method.
⒐ GB/T2423.22-2002 Temperature change test method.
⒑ GB11158 Technical conditions for high temperature test chambers.
⒒ GB10589-89 Technical conditions for low temperature test chambers.
⒓ GJB150.3 High temperature test.
⒔ GJB150.4 Low temperature test.
⒕ GJB150.9 Wet heat test.
Safety precautions,The equipment is prohibited from testing the following substances or containing these substances:
- Samples of flammable, explosive, and volatile substances.
- Samples of corrosive substances.
- Biological samples.
- Samples of strong electromagnetic emission sources.
- Samples of radioactive substances.
- Samples of highly toxic substances.
- Samples that may produce flammable, explosive, volatile, highly toxic, corrosive, and radioactive substances during testing or storage.
Volume, size and weight:
| Equipment model | -40℃，150L | -70℃，150L |
| Total power approx | 4.5KW | 5.5KW |
| Equipment weight approx | 250Kg | 300Kg |
| Inner box volume | 150L | |
| Inner box dimensions | W500×H600×D500(mm) | |
| External dimensions approx | W780×H1706×D1410 (mm) | |
| Power supply | AC Single-phase Three-wire 220V 50/60HZ | |
| Compartment shelf | 2pcs (load-bearing 20Kg/pc) | |
Equipment performance:
| Test environment conditions | Ambient temperature is +5～+28℃, relative humidity≤85%, no specimen in the test chamber. | |
| Test method | GB/T 5170.2-2008 Temperature test equipment
GB/T 5170.5-2008 Damp heat test equipment |
|
| Temperature range | -40℃～+150℃ | -70℃～+150℃ |
| Temperature control accuracy | ±0.2℃(Difference between the set value of the controller and the measured value of the controller) | |
| Temperature fluctuation | ≤ ± 0.5 ℃ (temperature fluctuation for the centre point of the measured maximum temperature and the lowest temperature difference of half) | |
| Temperature deviation | ≤ ± 2 ℃ (studio temperature controller display value of the average temperature minus the centre point of the measured average temperature) | |
| Temperature uniformity | ≤2.0°C (temperature uniformity is the arithmetic mean of the difference between the measured maximum and minimum temperatures in each test) | |
| Temperature rise rate | 1℃～3℃/min (non-linear, when no load) | |
| Cooling rate | 0.75℃～1.2℃/min (non-linear, at no load) | |
| Humidity range | 20%RH～98%RH | |
| Humidity fluctuation | ≤2%RH (refers to the difference between controller set value and controller measured value) | |
| Humidity Deviation | ≤±3%RH for humidity >75%RH, ≤±5%RH for humidity ≤75%RH (humid-heat type only) | |
| Humidity uniformity | ≤3%RH when humidity >75%RH, ≤5%RH when humidity ≤75%RH | |
| Temperature and humidity comparison table | 20 ℃ ~ 35 ℃ to do humidity, constant time can not exceed 24 hours to prevent the evaporator icing phenomenon | |
