LNTH Temperature Humidity Test Chamber
High and low temperature humidity test chamber is commonly used for quality inspection and material screening of electronics, electrical appliances, communications, instruments, vehicles, plastic products, metals, lamps, building materials, etc.
Reference Standards
1. China standards
- GB/T2423.1-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T2423.2-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T2423.3-2016 Environmental Testing--Part 2:Testing Method--Test Cab: Damp Heat, Steady State
- GB/T2423.4-2008 Electronic Products Environmental Test Part 2: Test Db: Alternating Humidity and Heat Test Method
- GJB 150.3A-2009 Environmental Test Method of Military Equipment Laboratory Part 3: High Temperature Test
- GJB 150.4A-2009 Environmental Test Method of Military Equipment Laboratory Part 4: Low Temperature Test
- GJB 150.9A-2009 Environmental Test Method of Military Equipment Laboratory Part 9: Wet Heat Test
- IEC 60068-2-1: 2007 Environmental Test Part 2-1: Test A: Low Temperature
- IEC 60068-2-2: 2007 Environmental Test Part 2-2: Test B: Dry Heat
- IEC 60068-2-78 Ed. 2.0 b:2012 Environmental Testing - Part 2-78: Tests - Test Cab: Damp Heat, Steady State
- IEC 60068-2-30 Environmental testing – Part 2-30: Tests – Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- Manufacturing standards: GB/T 10586-2006 Specifications for damp heat testing chambers and GB/T10592-2008 Specification for low/high temperature test chambers.
- Test standards: GB/T5170.2-2017 Inspection methods for environmental testing equipment -- Part 2: Temperature testing equipment and GB/T5170.5-2016 Inspection methods for environmental testing equipment for electric and electronic products -- Part 5: Damp heat testing equipment
- Metrological verification standard JJF1101-2019 Calibration Specification for Environmental Testing Equipment for Temperature and Humidity Parameters
| Model | | | | |||||||
| Effective Volume (L) | 262 | 420 | 1000 | |||||||
| Temp. Range (℃) | Min | -20 | -40 | -70 | -20 | -40 | -70 | -20 | -40 | -70 |
| Max | 150 (or high temperature to +180℃) | |||||||||
| Humidity range (%HR) | 20～98%RH (20℃～85℃Within temperature range) | |||||||||
| Temp. fluctuation (℃) | ≤±0.5 | |||||||||
| Temp. deviation (℃) | ±2.0 | |||||||||
| Humidity deviation | >75%RH:≤+2,-3%RH；≤75%RH:≤±5%RH | |||||||||
| Humidity fluctuation (℃) | ≤±3%RH | |||||||||
| Heating rate | 20℃～+150℃ | 20℃～+150℃ | 20℃～+150℃ | |||||||
| ≤50min | ≤50min | ≤50min | ||||||||
| Cooling rate | +20℃～-20℃ Cooling rate≤45, min +20℃～-40℃ Cooling rate≤70, min +20℃～-70℃ Cooling rate≤90, min | |||||||||
| Internal Dimensions(mm) | w | 700 | 700 | 1000 | ||||||
| h | 750 | 750 | 1000 | |||||||
| d | 500 | 800 | 1000 | |||||||
| External dimensions(mm) (excluding protrusions) | W | 900 | 900 | 1200 | ||||||
| H | 1810 | 1810 | 2060 | |||||||
| D | 1460 | 1760 | 1960 | |||||||
| Refrigerant and refrigeration mode | R404A/R23 (for-70℃) | |||||||||
| Mechanical compression refrigeration, air/water cooling | ||||||||||
| Monitor | 7.0 inch, TFT color LCD Monitor | |||||||||
| Power supply | AC 380V (±10%), frequency: 50±0.5Hz | |||||||||
| Maximum power (not the sum of all power) (KW) | 6 | 7 | 10 | 7.5 | 8.5 | 10 | 13.8 | 15.4 | 18 | |
| Maximum current (A) | 12 | 14 | 20 | 14 | 18 | 20 | 22 | 25 | 38 | |
| Weight (Kg) | 400 | 410 | 490 | 540 | 550 | 600 | 750 | 760 | 930 | |
