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NHJ-600 helium mass spectrometer leak detector

Product ID：HZhzp010

Price: US$14,890.00 ~ US$22,180.00 PDF Format

Supply Ability:50 SETS/MON

Port:SHENZHEN

Product Introduction
Other information

Model NumberNHJ-600

Brand NameANHUINUOYI

Payment TermsTT，PAYPAL，Alibaba.com Pay

NHJ-600 Helium Mass Spectrometer Leak Detector
High-Sensitivity Portable Helium Leak Detection Solution
Introduction:
The NHJ-600 Helium Mass Spectrometer Leak Detector is a fully automatic, high-performance leak testing instrument designed for precise helium leak detection in vacuum systems and sealed components. Combining advanced helium mass spectrometry technology, reverse diffusion principles, a multi-port molecular pump, and intelligent automatic control, the NHJ-600 delivers exceptional sensitivity, rapid response, and reliable measurement performance.
With automatic helium peak scanning, auto-zero adjustment, auto-calibration, and automatic range switching, the NHJ-600 significantly improves testing efficiency while reducing operator intervention. Its compact design and powerful functionality make it suitable for laboratories, production lines, and quality control environments.

Key Features
Ultra-High Leak Detection Sensitivity
The NHJ-600 achieves a minimum detectable leak rate of 5 × 10⁻¹³ Pa·m³/s, enabling the detection of extremely small leaks in demanding industrial and research applications.
Fast Response and Startup
•Startup time ≤ 2 minutes
•Response time ≤ 1 second This allows rapid testing and improved productivity in manufacturing environments.
Intelligent Automatic Operation
The system supports:
•Automatic helium peak scanning
•Automatic zero adjustment
•Automatic calibration
•Automatic range switching These functions reduce manual operations and improve measurement accuracy.
Optimized Helium Pumping System
A specially designed gas flow path increases helium pumping speed, shortens background recovery time, and minimizes helium contamination.
Precision Protection Filter
The leak detection port is equipped with a customized precision filtration system that prevents dust, metal particles, and copper powder from entering the instrument.
Industrial Automation Integration
Multiple input and output interfaces allow easy integration with:
•Automated production lines
•Robotic inspection systems
•Industrial control systems
•Customized leak testing stations Stable and Reliable Performance
Mechanical and electrical systems are effectively separated to reduce interference from:
•Temperature fluctuations
•Electromagnetic fields
•Mechanical disturbances This ensures long-term measurement stability and reliability.

Technical Specifications

Parameter	Specification
Minimum Detectable Leak Rate	5 × 10⁻¹³ Pa·m³/s
Leak Rate Display Range	1 × 10⁻³ ~ 1 × 10⁻¹³ Pa·m³/s
Sniffer Minimum Detectable Leak Rate	1 × 10⁻⁸ Pa·m³/s
Sniffer Leak Rate Display Range	1 × 10⁻³ ~ 1 × 10⁻⁹ Pa·m³/s
Startup Time	≤ 2 min
Response Time	≤ 1 s
Test Port Pressure	1500 Pa
Power Supply	220V ±10%, 50Hz
Display Units	Pa·m³/s, mbar·L/s, atm·cc/s, ppm
Operating Temperature	5°C ~ 40°C
Relative Humidity	≤ 80%
Weight	≤ 80 kg

Typical Applications
The NHJ-600 helium leak detector is widely used in:
Vacuum Technology
•Vacuum chambers
•Vacuum coating systems
•Vacuum furnaces
•Vacuum pumps
Semiconductor Industry
•Semiconductor manufacturing equipment
•Wafer processing systems
•Vacuum transfer modules
Aerospace Industry
•Fuel systems
•Pressure vessels
•Spacecraft components
•Satellite assemblies
Automotive Industry
•EV battery packs
•Cooling systems
•Air conditioning systems
•Fuel tanks
Refrigeration and HVAC
•Compressors
•Heat exchangers
•Refrigeration pipelines
•Cooling circuits
Scientific Research
•Laboratory vacuum systems
•Particle accelerators
•Research instruments
•Experimental equipment

Why Choose NHJ-600?
✔ Extremely low detectable leak rate of 5 × 10⁻¹³ Pa·m³/s
✔ Fully automatic operation for higher efficiency
✔ Fast startup and rapid response
✔ Strong anti-interference capability
✔ Wide leak detection range across 11 orders of magnitude
✔ Compatible with automated production systems
✔ Reliable performance for continuous industrial operation

FAQ
What is a helium mass spectrometer leak detector?
A helium mass spectrometer leak detector is a precision instrument that uses helium as a tracer gas to locate and quantify leaks in sealed systems. It offers extremely high sensitivity and is widely used in vacuum technology, semiconductor manufacturing, aerospace, and automotive industries.
Why is helium used for leak testing?
Helium is non-toxic, non-flammable, chemically inert, and naturally present at very low concentrations in the atmosphere. These properties make it an ideal tracer gas for highly sensitive leak detection.
What is the minimum detectable leak rate of the NHJ-600?
The NHJ-600 can detect leaks as small as 5 × 10⁻¹³ Pa·m³/s, making it suitable for demanding vacuum and ultra-high-vacuum applications.
Can the NHJ-600 be integrated into automated production lines?
Yes. The NHJ-600 supports multiple input and output interfaces, allowing seamless integration with industrial automation systems and customized leak testing stations.
Which industries commonly use helium leak detectors?
Helium leak detectors are commonly used in semiconductor manufacturing, aerospace, automotive production, refrigeration systems, vacuum equipment manufacturing, energy storage, and scientific research laboratories.
What are the advantages of automatic calibration and auto-ranging?
Automatic calibration and auto-ranging improve measurement accuracy, reduce operator workload, shorten testing time, and ensure consistent results across different testing conditions.

The NHJ-600 is a fully automatic portable helium mass spectrometer leak detector with a compact size and powerful functions.
The NHJ-600 automatic portable helium mass spectrometer leak detector uses the principle of helium mass spectrometry and reverse diffusion. It adopts multi-port molecular pump, 180° non-uniform magnetic field and fully automatic control technology to realize automatic peak scanning, automatic zero adjustment and automatic Calibration and automatic range switching, featuring fast detection speed, high detection sensitivity and strong anti-interference ability.