OverviewThe He-490M is a turnkey vacuum helium mass spectrometer leak detection system designed for industrial use. It combines high sensitivity with modular, PLC-controlled operation to allow integration into production lines and test stations. The system offers fast start-up and a one-button automatic workflow for repeatable testing.
Highlights- Helium mass spectrometer method: industry-leading sensitivity and accuracy
- Proven reliability with systems operational for two decades
- Modular design for custom arrangements and rapid maintenance
- Fast response and portable configuration for bench or field use
- Password protection for user access control
- Helium mass spectrometry is ≥1000× more sensitive than alternative methods
Applications- AUTOMOTIVE
- Air conditioning systems
- Radiators
- Exhaust systems
- Transmissions
- EMOBILITY
- Battery packs
- Pouches & cells
- Modules and housings
- PACKAGING
- Aerosol caps
- Plastic bags and bottles
- Spray containers
- ELECTRONICS
- Hard disk drives
- Displays and TV screens
- Camera lenses and assemblies
- MEDICAL
- Blister packs
- Fluid bags
- Filters and single-use devices
Features- Performance: Sensitivity — System Mode minimum detectable helium leak rate 2.5 x 10^-9 atm-cc/sec; Sniffer Mode minimum detectable helium leak rate 2.5 x 10^-7 atm-cc/sec. Response Time — < 1.0 s system mode; < 1.5 s sniffer mode. Startup Time — One-button automatic operation; Cold Start-Up < 3 minutes; Standby Start-Up < 1 minute.
- Display / Leak Rate Range: System Mode: 0–10 V output for PLC integration; leak rate configured to system calibrated gas leak. Sniffer Mode: direct-reading 10^-3 to 10^-7 atm-cc/sec He. Interface signals: Auto-Zero, Ready, Leak Rate and Fault signals.
Main Features- Cold Start-Up < 3 minutes
- Standby Start-Up < 1 minute
- One-button automatic operation
- Hard vacuum leak detection system
- Modular assembly for custom arrangement
- PLC controlled for process integration
- Turn-key operation with front panel key lock-out
- Turbo speed adjustable from 600 to 1500 Hz
- Includes internal fast clean-up sniffer manifold
- Rapid switching between sniffer and vacuum testing modes
- Auto peak cycle
- Five year warranty on major components
Options- 24 Vdc control
- 110 Vdc control
- Atmospheric sniffer module
- Side-mount configuration
- Bottom-mount configuration
- Electrical converter box
Technical specifications- Model: He-490M
- Type: Helium mass spectrometer leak detector (vacuum)
- Sensitivity (System Mode): 2.5 x 10^-9 atm-cc/sec He
- Sensitivity (Sniffer Mode): 2.5 x 10^-7 atm-cc/sec He
- Response Time: < 1.0 s (System), < 1.5 s (Sniffer)
- Startup Time: Cold Start-Up < 3 minutes; Standby Start-Up < 1 minute
- Power: 115/220 VAC, 50/60 Hz, 4 A (other voltages on request)
- Dimensions: W344 x H395 x D618 mm
- High vacuum pump: 53 c/second air-cooled turbomolecular
- Mechanical (fore) pump: external forepump, standard 7 CFM
- Valve: high-vacuum rated solenoid fore-line isolation
- Inlet system: external PLC-controlled valves (options: DC or AC)