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The Most Comprehensive Solutions in
Vacuum and Leak Testing Technologies


Calibration and Repair Services

LACO Technologies calibrates gas leak standards and vacuum gauges from all manufacturers. Our calibration laboratory operates in compliance to the most recent ISO standards for calibration laboratories.

Leak Detection Products & Services

From handheld sniffer leak detectors to mass spectrometer leak detectors to custom production leak testing systems, we offer the most complete selection of leak detection products, services, and turnkey solutions for your leak testing application. In addition to new leak detection products, we also offer refurbished Alcatel, Edwards, and Varian leak detectors.

Vacuum Chambers & Systems

Available in economy, standard, and custom models, our vacuum chambers are competitively priced, durable, and ideal for vacuum degassing, industrial, high vacuum, and ultra high vacuum applications. With a broad selection of standard industrial and high vacuum chambers and numerous options and accessories available to customize your vacuum chamber, we make it easy to get the vacuum chamber you need.
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Category Description
2002 Helium Underground Leak Detector Leak Location in Buried Pipelines (PDF)
Altitude Simulation Altitude to Pressure Conversion Table
ASM 142 Series ASM 142 Series User Guide (PDF)
Capillary Leak Standards Calmaster Part Number Matrix (PDF)
GasCheck Handheld Sniffer Leak Detectors Gas Sensitivity Data Sheet (PDF)
Helium Leak Detectors Leak Detection Technical Reference Guide (PDF)
Helium Leak Detectors Vacuum Technology Fundamentals (PDF)
Helium Permeation Leak Standards Calmaster Part Number Matrix (PDF)
Industrial Rotary Vane Vacuum Pumps and Systems LACO Vacuum Technical Reference Guide (PDF)
Industrial Rotary Vane Vacuum Systems LACO Vacuum Technical Reference Guide (PDF)
Leak Standard Calibrations LACO Leak Standard Part Number Matrix (PDF)
Leak Standard Overview and Selection Guide LACO Leak Standard Part Number Matrix (PDF)
Manual Leak Testing Stations Leak Detection Technical Reference Guide (PDF)
Manual Leak Testing Stations Vacuum Technology Fundamentals (PDF)
Open Style Leak Standards Calmaster Part Number Matrix (PDF)
PhoCheck PID Leak Detector PID Gas List (PDF)
Series BI Bell Jar Industrial Vacuum Chambers Custom bell jar system with lift mechanism #1 (JPG)
Series BI Bell Jar Industrial Vacuum Chambers Custom bell jar system with lift mechanism #2 (JPG)
Series CC Cube Clear Vacuum Chambers Custom cube 9"x9" acrylic chamber (JPG)
Series CC Cube Clear Vacuum Chambers Custom aluminum/acrylic chamber for product leak testing (JPG)
Series CI Cube Industrial Vacuum Chambers Custom cube chamber system with cart (JPG)
Series CI Cube Industrial Vacuum Chambers Custom cube chamber with viewport option (JPG)
Series CI Cube Industrial Vacuum Chambers Custom cube chamber system with clear door (JPG)
Series HC Horizontal Clear Vacuum Chambers Custom clear double door chamber #2 (JPG)
Series HC Horizontal Clear Vacuum Chambers Custom clear double door chamber #1 (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with temp. control (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with cooling coils (JPG)
Series HH Horizontal High Vacuum Chambers Custom length (12"x30") high vacuum chamber #1 (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with viewports #1 (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with cooling coils and thermal plate (JPG)
Series HH Horizontal High Vacuum Chambers Custom dual horizontal/vertical chamber (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with viewports #2 (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum system for space simulation (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with insulation (JPG)
Series HH Horizontal High Vacuum Chambers Custom high vacuum chamber with viewport #3 (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size horizontal vacuum chamber (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size (36" x 72") vacuum chamber with viewports (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size (50" x 70") high vacuum chamber with viewports (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size (40" x 96") vacuum chamber with cart (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size coffin vacuum chamber system (JPG)
Series HI Horizontal Industrial Vacuum Chambers Custom size (24" x 24") vacuum chamber with shelf (JPG)
Series HU Ultra High Vacuum Chambers Custom size ultra high vacuum chamber (JPG)
Series VC Vertical Clear Vacuum Chambers Custom 12" x 18" clear chamber with NW 40 port and feedthroughs (JPG)
Series VC Vertical Clear Vacuum Chambers Custom 8" x 12" clear chamber with hinged lid (JPG)
Series VC Vertical Clear Vacuum Chambers Custom 8" x 16" hydraulic oil degassing chamber (JPG)
Series VC Vertical Clear Vacuum Chambers Custom clear chamber system with dry pump (JPG)
Series VC Vertical Clear Vacuum Chambers Custom 18" x 72" clear chamber (JPG)
Series VC Vertical Clear Vacuum Chambers Custom clear chamber system for atmospheric and altitude simulation (JPG)
Series VH Vertical High Vacuum Chambers Custom high vacuum chamber with glass lid and o-ring seal (JPG)
Series VH Vertical High Vacuum Chambers Custom small high vacuum chamber (JPG)
Series VH Vertical High Vacuum Chambers Custom size 16" x 6" high vacuum chamber (JPG)
Series VH Vertical High Vacuum Chambers Custom high vacuum system with cart (JPG)
Series VH Vertical High Vacuum Chambers Custom 4" x 4" high vacuum chamber with gauge (JPG)
Series VI Vertical Industrial Vacuum Chambers Custom chamber with optional hold down clamps and feedthrough (JPG)
SIHI Liquid Ring Vacuum Pumps Liquid Ring Principle of Operation (PDF)
SIHI Liquid Ring Vacuum Pumps LACO Vacuum Technical Reference Guide
Sniffer Calibrator Leak Standards Calmaster Part Number Matrix (PDF)
Vacuum Degassing Systems Vacuum degassing system with custom length chamber (JPG)
Vacuum Degassing Systems Custom vacuum degas system with dry ice trap option (JPG)
Vacuum Degassing Systems Custom oil vacuum degas system (JPG)
Vacuum Degassing Systems Custom vacuum degas system with 12" x 12" chamber (JPG)
Vacuum Degassing Systems Custom degas system with vacuum air mixer (JPG)
Vacuum Degassing Systems Custom clean room dry pump vacuum degas system (JPG)
Vacuum Degassing Systems Custom vacuum degas system with custom viewport, heaters, and controller (JPG)
Vacuum Gauges & Measurement Vacuum Technical Reference Guide (PDF)
Water Sealed Liquid Ring Pump Packages LACO Vacuum Technical Reference Guide (PDF)
WS-1000 Series Workstation Leak Detectors WS-1000 Series Drawings