Automatic Vacuum Box Helium Leak Detector for Microchannel Heat Exchanger Components with Active Helium Cleaning and Production Tracking
This machine is a special machine for vacuum box helium mass spectrum leakage detection of micro-channel heat exchanger components. This machine is composed of evacuation system, vacuum box leak detection system, helium cleaning system and electronic control system. The machine has the active helium cleaning function; The machine has the function of recording the product production quantity, OK product quantity and NG product quantity.
| Product of the inspected works | 4L |
| Max external dimension of the workpiece | 770mm * 498 * 35mm |
| Size of vacuum chamber | 1100 (long) 650 (deep) 350 (high) |
| Content product | 250L |
| Number of vacuum boxes | 1 |
| Number of workpieces per box | 2 |
| Workpiece entry and exit box mode | manual entry and exit vacuum box |
| Open and close the door | flip cover type |
| Large leakage pressure | 4.2MPa |
| Helium filling pressure | 3MPa can be automatically adjusted |
| Accuracy of leakage detection | 2 g / year (△P=1.5MPa, R22) |
| Vacuum box evacuation pressure | 30pa |
| Helium gas recovery rate | 98% |
| Vacuum box test station (double box) | 100 s / single box (excluding manual loading and unloading time). With 2 operating hoses on both sides of the box, |
| Leakage rate control setting (He) | Users can select parameter groups or modify them on the display screen according to their own process requirements. |
| Coverage area | 3140(L）×2500(W）×2100(H）mm |
| Power supply for the device | Three-phase AC 380V± 10% 50Hz |
| Installation power | 20 KW |
| Compressed air pressure | 0.5-0.6MPa |
| Dew point | -10℃ |
| Pressurized gas | Compressed air with nitrogen above purity of 99.8% or dew point below-40℃; |
| Pressurized gas pressure | 5.5MPa |