LACO Technologies is a authorized service and repair facility for the complete family of Inficon helium and hydrogen leak detectors. LACO has extensive experience troubleshooting and repairing the Inficon helium mass spectrometer leak detectors.

Inficon Helium Leak Detector Services

  • Leak Detector Repairs and Overhauls
  • Turbo Pump Wick Changes, Cleaning or Factory Exchanges
  • Circuit Board Repair to the Component Level
  • Rotary Vane Pump Repair and Overhaul
  • Mass Spec and Preamp Repair and Rebuilds
  • Preventative Maintenance on Common Failures

Inficon Helium Leak Detector Parts and Accessories

  • Leak Detector Consumables: Oil, ion sources, seals, o-rings, turbo oil wicks, filters
  • Accessories: Inlet filters, inlet chambers, carts, pendants, oil change kits, vacuum hoses, spray probes and sniffer probes


  • Extensive diagnostics capabilities
  • Leak standard calibration service
  • Component level electronics repairs
  • Upgrades and retrofits
  • Preventative maintenance and rebuild programs
  • Rush turnaround service available
  • New and rebuilt parts for most major brands
  • Refurbished and rental leak detectors available
  • Three-month warranty on parts and labor


  • Experienced technical support/service personnel
  • Video, phone, e-mail technical support
  • Wide range of services provided
    • Leak Detector Repair and Modifications
    • Leak Detector Overhauls and Rentals
    • Leak Detector Calibrations
    • Leak detection/Vacuum Training

Inficon Models Supported

  • LDS2010
  • LDS3000
  • Modul1000
  • UL200
  • UL1000
  • UL5000

Other Mass Spectrometer Models Supported

  • Varian: All models from 979 LD
  • Pfeiffer: All models from HLT260 LD
  • Leybold: All models from UL200 LD
  • Inficon: All models from UL200 LD
  • Alcatel: All models from 180t 1st Gen LD

Sniffer Leak Detector Models Supported

  • Inficon: P3000(XL), E3000, HLD5000
  • Ion Science: All Gascheck Models
  • Radiodetection: MGD2002
  • Alcatel: ASM 142 S, ASM 102S