


- 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
真空最小可检漏率 |
Vacuum minimum leak detection rate |
3×10-13Pa·m³/s |
真空漏率显示范围 |
Vacuum leakage rate display range |
1×10-1 ~1×10-13 Pa·m³/s |
吸枪最小可检漏率 |
Minimum leak detection rate for suction gun |
5×10-9Pa·m³/s |
吸枪漏率显示范围 |
Range of leakage rate of suction gun |
1×10-1 ~1×10-9 Pa·m³/s(zero) |
可探测气体 |
Detectable masses |
H2,He3,He4 |
启动时间 |
Start time |
≤100 S |
响应时间 |
Response time |
≤0.5 S |
检漏口压力 |
Leak Pressure |
≤2000 Pa |
主机电源/电压 |
Mainframe Power / Voltage |
DC24V,350W |
工作环境 |
Work environment |
温度:5-40℃ 湿度:≤ 80%RH |
语 言 |
Language |
中文/English |
尺 寸 |
Size |
(420*275*359)mm |
重 量 |
Weight |
26 Kg |
显示单位 |
Display units |
Pa·m³/s 、mbar·l/s、atm·cc/s、Torr•L/s、ppm |