Sand dust environmental test chamber/Floating dust test JISD0207 simulates the environment of dust filled atmospher to test products sealing and dust proof test properties. It is used to auto parts, electroncs, electrics and other industries.
Features
1 Test products dust resistance and sealing, widely applied to electronics, electric, auto parts, etc.
2 Provide a ready-made solution to common dust tests for automotive and electronic industry requirements.
3 Suspension dust-proof test.
4 Using large transparent acrylic window, convenient and direct observation internal test condition.
5 Dust data conform to JIS-DD0207-F2 standard.
6 Digital setting, easy operation and maintenance.
7 Best after sales service: One year free parts maintenance.
8 Meet international test standards.
9 Customization is available & welcomed.
Specifications
| Main Technical Parameters |
| Workspace volume | W 900 × H 900 × D 900 mm |
| Exterior size | W 8500 × H 2400 × D 3500 mm(External dimensions excluding protruding parts such as doors, hinges and top feeding devices, may be slightly adjusted) (laboratory wall size) |
| Nominal volume | 730L |
| Weight | 6.5T |
| Test environmental conditions | 1. Ambient temperature is +25 ℃, relative humidity ≤ 85%, atmospheric pressure: 86 ~ 106kpa 2. Under no test conditions, the circulating cooling water temperature ≤ + 30 ℃ (no icing), the circulating water supply pressure is 0.3 MPa ~ 0.45MPa |
| Temp range | RT+10℃～+70℃ |
| Humidity range | ≤30 %RH |
| Sand and dust ingredients | Content of 97 to 99% of silica (quartz sand) |
| Blowing sand speed | 18～29m/s(150μm≤Sand and dust diameter≤850μm) |
| Blowing sand concentration | 1.1±0.25～2.2±0.5g/m3 |
| Blowing dust speed | 8.9m/s±1.2m/s (Sand and dust diameter≤149μm) |
| Blowing dust concentration | 10.6±7g/m3 |
| Noise | A sound level ≤ 85dB (A) (front the door 1m from the ground height of 1.2m, free space) |
Sample limit
The test equipment prohibits:
1. Test or storage of flammable, explosive, volatile substances
2. Test or storage of corrosive substances
3. Test or storage of biological samples
4. Test or storage of strong electromagnetic emission source samples
5. Test or storage of radioactive material samples
6. Test or storage of highly toxic substances
7. Test or storage of samples that may produce highly toxic substances during the test or storage process
| Cooling System |
| Way of working | Mechanical compression Single stage cooling (air cooling) |
| Refrigeration compressor | Fully enclosed compressor |
| Evaporator (dehumidifier) | Finned surface cooling heat exchanger |
| Evaporator | Flat surface cooling heat exchanger |
| Condenser | Shell and tube heat exchanger |
| Throttling device | Capillary / expansion valve |
| Chiller control mode | The control system automatically adjusts the operating conditions of the refrigerator according to the test conditions |
| Refrigerant | Single-stage refrigeration system: R404a (ozone depletion index of 0) |
Test standard
1.GJB150.12A-2009 Test Standard Procedure Ⅰ - Blowing, Procedure II - Blowing Sand
2.GJB360A Method 110 Sand and dust test
3.GB2889-97 4.6.15 dust test
