Beijing Jinshengxin Testing Machine Co., Ltd.
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Cold and hot shock test chamber
Profile:
The Thermal shock test chamber is an indispensable test equipment for the metal, plastics, rubber, electronics and other materials industries. It is used to test the structure of materials or composite materials for endurance under extremely high temperature and extremely low temperature in an instant, to get the chemical change or physical damage caused by thermal expansion and contraction of the test specimen detected in the shortest time.
Main parameters:
| Model | JSX-TS-42A |
| Inner size | W350*H400*D350mm |
| External size | W1350*H1850*D1900mm |
| Temp. Shock range | -40℃~150℃ |
| High temp. zone | Preheating: RT~180℃ |
| Low temp. zone | Precooling: RT~-55℃ |
| Transfer time between zones | ≤ 10 Seconds |
| Temp. Shock recovery time | ≤5min (control point) |
| Temp. Shock time | ≥25min (shorter time can be customized) |
| Temp. fluctuation | ±0.5℃ |
| Temp. deviation | ±2℃ |
| Internal material | SUS304 stainless steel |
| External material | SUS304 Stainless steel or electrostatic spray paint |
| Refrigeration System | France TECUMSEH double-stage compressor or German GEA semi-enclosed |
| Refrigerant | R404a and R23 (DuPont, USA) |
| Cooling method | Water-cooled |
| Controller | Independent R&D 7-inch full-color touch screen controller; With PC/ Mobile APP remote control function, support RJ45, RS232 communication port |
| Annex | 50mm wiring hole * 1 set; Manual and warranty card * 1 copy; Shelf * 2 pcs. |
| Weight (kg) | 650 |
| Voltage | 380V |
| Power (kw) | 11.5 |
| Current (A) | 32 |
| Structure | |
| 2-1. Main structure design and working principle | Two zone: Divided into low temperature area, moving basket for product, high temperature area.
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| 2-3. Cooling storage / heating storage material | High efficiency aluminum enable heat storage capacity and super-cold capacity to reach super fast exchanging. |
| 2-4. Testing hole | For connecting external testing wire and signal (10.0cm) of 1 piece |
| 2-5. Table running wheel | Moving position adjustable and forced fixed knot position (500kg/wheel) |
| 2-6. Thermal insulating layer | Burning fire resistant thermal insulation layer PU + thermal insulation wool (thermal insulation thickness of 12.0 cm) |
| 2-7. Frame inside chamber | Height adjustable grid shelves and stainless steel mesh grid plate (2pcs, separation distance of 5.0cm ) |
| Supply air circulation system | |
| 3-1. Electric heating circulatory system | Utilize circulatory motor of special moisture-proof, with stainless steel extension axis. |
| 3-2. Circulating fan | High/low temperature resistance aluminum alloy multi-wing centrifugal wind wheel. |
| 3-3. High evenness air flue | Positive pressure outlet design to achieve high uniformity requirements. |
| 3-4. Temp. electric heating control | Balanced temp. P.I.D + P.W.M + S.S.R system. |
| 3-5. Microcomputer control | Microcomputer control, precooling zone, preheating zone and temperature conversion in the test zone, output power which is calculated by computer to achieve high accuracy and high efficiency electricity. |
| Refrigeration system | |
| 4-1. Refrigeration device |
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| 4-2. Evaporator |
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| 4-3. Expansion system | Capacity controlled refrigeration system (capillary or expansion valve) |
| 4-4. Condenser |
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| 4-5. Plate-type heat exchanger | Stainless steel brazed plate heat exchanger.
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| 4-6. Evaporator | Slope evaporator with high efficiency component (AC & R double spoiler aluminum fins). |
| 4-7. Refrigerator control method | The controller of the control system automatically adjusts the operating conditions of the refrigerator according to the test conditions; Evaporate the pressure regulator; Compressor return air cooling circuit. |
| 4-8. Refrigerant |  USA DuPont R404a +R23 (eco-friendly, ozone depletion index are at 0) |
Executive standard
GB2423, IEC68-2-14, JIS C 0025, MIL-STD-883E, IPC 2.6.7, BELLCORE, GB/T 5170.2-1996 temperature test chamber and and other standards.