LACO is an authorized service and repair facility for the complete family of Inficon helium and hydrogen leak detectors. LACO has extensive experience troubleshooting and repairing the full line of Leybold and Pfeiffer helium mass spectrometer leak detectors.

Helium Leak Detector Services

  • Leak detector repairs and overhauls
  • Turbo pump wick and bearing changes, cleaning or factory exchanges
  • Rotary vane pump repair and overhaul
  • Mass spec and preamp repair and rebuilds
  • Preventative maintenance on common failures
  • Extensive diagnostics capabilities
  • Leak standard calibration service
  • Component level electronics repairs
  • Upgrades and retrofits
  • Rush turnaround service available
  • Rental leak detectors available at a discount
  • Three-month warranty on parts and labor

Helium Leak Detector Parts and Accessories

  • Full line of consumables for your leak detector: oil, ion source, seals, o-rings, turbo oil wicks, filters
  • Accessories include inlet filters, inlet chambers, carts, pendants, oil change kits, vacuum hoses, spray probes and sniffer probes
Inficon Models 
Leybold Models
Pfeiffer Models
LDS2010 Module
Phoenix L300
HLT Series
(260, 265, 270, 275, 550,560 and 570)
LDS3000 Module

ASM 142 and ASM142S
Modul 1000
Ion Science Models
ASM 180T (D)(+) ASM 182T (D)(+)
and ASM 192
GasCheck Units
(G1, G2, G3, & G3000)
ASM 310 and ASM 340

ASI 20

HiCube 80