- Quick inflation
- Adopting high-flow slide valve technology, the inflation speed is 300% faster
- High-precision detection
- 0.2%F.S measurement accuracy, supports temperature compensation
- Intelligent voltage regulation
- Automatically adjust pressure to ensure stable output
- AI technology
- Automatically identify the volume of the product being tested
HL Leader Series is a sealing testing equipment with excellent comprehensive performance, HL-Pro flagship versionIt is designed specifically for high-voltage and high-precision testing needs by Hairis.Enjoy one of the most versatile models in the industry Reputed to be capable of all air tightness testing needs, it is widely used in industries that have air tightness testing requirements. Choose HL Leader Series is responsible for choosing the industry benchmark.
| Performance parameters | Sensor accuracy | ±0.1%F.S |
| Stress test type | Positive/negative pressure | |
| Test pressure range | -80~2500kPa (maximum support) | |
| maximum resolution | 0.1Pa | |
| Environmental drift correction | support | |
| Pressure regulation form | Electronic pressure regulating valve/customizable mechanical pressure regulating valve | |
| pressure unit | 6 types | |
| Adjustment accuracy | 0.1%F.S | |
| leakage unit | 4 types | |
| Differential pressure type range parameters | Optional measuring range | 10:-10~100 kPa |
| 20:-80~700 kPa | ||
| 50:-50~2500 kPa | ||
| Accuracy | ±(1%rdg+5Pa) | |
| resolution | 0.1Pa |








