- Support multiple channels
- Can be expanded to 8 direct voltage detection channels
- High-precision detection
- 0.2%F.S measurement accuracy, supports temperature compensation
- Intelligent voltage regulation
- Automatically adjust pressure to ensure stable output
- Self-developed technology
- Equipped with self-developed valve island, strong stability
The HL Leader Series is a sealing testing equipment with excellent comprehensive performance and enjoys the reputation of being an all-round model 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. chooseHL Leader Series is responsible for choosing the industry benchmark.The enlarged version is specially designed by Hairis for multi-channel requirements to meet customers' needs for improving production efficiency.
| 【Performance parameters】 | Sensor accuracy | 0.2%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 | Mechanical pressure regulating valve/electronic pressure regulating valve | |
| pressure unit | 8 kinds | |
| Adjustment accuracy | 0.2%F.S | |
| leakage unit | 4 types | |
| [Direct voltage range parameters] | Optional measuring range | All range segments |
| Accuracy | 0.2%F.S | |
| resolution | 1Pa | |
| [Differential pressure type range parameters] | Optional measuring range | 10:-60 ~ 150kPa |
| 20:-80 ~ 600kPa | ||
| 30:10 ~ 1000kPa | ||
| 40:50 ~ 1500kPa | ||
| 50: 100~2500kPa | ||
| 60:0 ~ 200kPa | ||
| 70:10 ~ 700kPa | ||
| 80:-80 ~ 0kPa | ||
| Accuracy | ±(1%rdg+5Pa) | |
| resolution | 0.1Pa |









