


- Product overview
- Characteristics
- Technical Parameter
- Easy operation
NHJ400M leak detector is a modular type leak detector, small volume can be flexible with the vacuum system, a variety of air combination, can be applied to a variety of detection requirements.
Compact structural design to facilitate integration into leak detection systems according to customer needs.
Mass spectrometry room: 180 degree non-uniform magnetic field U-shaped magnet design, good signal stability, and strong resistance to strong magnetic interference.
Double iridium ion source, strong antioxidant capacity and long service life.
Technical parameter
|
Vacuum minimum leak detection rate |
3×10-13Pa·m³/s |
|
Vacuum leakage rate display range |
1×10-2 ~1×10-13 Pa·m³/s |
|
Minimum leak detection rate for sniffer |
5×10-9 Pa·m³/s |
|
Range of leakage rate of sniffer |
1×10-2 ~1×10-9 Pa·m³/s(zero) |
|
Detectable masses |
4He,3He,H2 |
|
Start-up Time |
≤90 s |
|
Response time |
≤0.5 s |
|
Communication |
RS232,RS485,USB |
|
Calibration |
Internal automatic/external manual |
|
Language |
Chinese/English |
|
Interface dimensions |
DN KF25/DN KF16 |
|
Power / Voltage |
DC24V,240W |
|
Backing Pump Requirement |
≥2.5L/s |
|
Backing Pump Speed |
/ |
|
Weight |
26 kg |
|
Dimensions |
420*275*359 mm |
|
Work environment |
Temperature: 10-40 ℃ Humidity: ≤ 80% |






Public Security Network Security Record in Anhui Province No. 34010302001915