Helium leak detector with test scale and front pump

Due to different product configurations, the price and delivery time need to be negotiated by phone. The pictures are for reference only, and everything is subject to the actual transaction contract

EVP helium mass spectrometer leak detector NHJ -400

High performance helium mass spectrometer leak detector, with optional oil pump or dry pump for the front stage pump or without the front stage pump This helium mass spectrometer leak detector is a brand new upgraded version of NHJ-400. It can detect leaks when the inlet pressure reaches 100 hPa. It features a dual filament (Y2O3 yttrium oxide) design and can replace a damaged set of filaments separately. The entire machine is guaranteed to be imported from Europe.

Helium leak detector with test scale and front pump

The helium mass spectrometer leak detector NHJ -400 has a protection level of IP 20 and is suitable for industrial, analytical, and coating markets The NHJ-400 helium mass spectrometer leak detector is sturdy and durable, resistant to atmospheric damage, and has extremely strong seismic performance, minimizing the risk caused by operational errors The NHJ 400 can be reused for several years while still ensuring high-precision leak detection. Its compact design is suitable for serial production and continuous operation

Helium mass spectrometer leak detector NHJ-400 of characteristics

1. The front stage pump can be selected as an oil pump, dry pump, or not equipped with a front stage pump to meet various applications
2. The high compression ratio split flow molecular pump has a helium pumping speed of 2.5 l/s and a short detection time
3. The minimum detection leakage rate of helium gas by NHJ-400 helium mass spectrometer leak detector:
Vacuum mode: 5E-13 Pa m3/s
Positive pressure mode: 5E-10 Pa m3/s, currently recognized as leakage law in the industry
4. Maximum inlet pressure of 25 hPa, quickly enter leak detection mode
5. Touch based human-machine interface, 7-inch large screen, high-resolution mobile operation panel, easy to operate
6. USB port for convenient data transmission
7. Resistant to breaking the atmosphere, vibration, and reducing the risk caused by operational errors
8. Rich optional accessories, such as suction gun, remote control, small cart, bypass device, standard leak hole, etc

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