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Leak Testing

The most comprehensive selection of custom and standard leak detection equipment and systems. From portable leak detection instruments to production leak test systems, LACO has the solution for your application.

LACO Technologies: Vacuum and Leak Testing Solutions



NPB is the exclusive representative for LACO in: Southern California, Nevada, and Arizona



LACO Technologies, Inc. is a leading manufacturer of vacuum and leak testing systems. Driven by innovation, service, and quality we strive to be the best provider of standard and custom vacuum and leak testing solutions. Established in 1975, LACO Technologies is located in Salt Lake City, Utah, and serves customers across the United States and internationally. Owned by engineers, LACO is uniquely situated to provide innovative solutions for vacuum and leak testing applications. We work with diverse customer applications and are dedicated to creating the right solution to help our customers achieve their goals.

Vacuum Process Solutions

LACO is one of the leading manufacturers of vacuum process technology providing vacuum process solutions in all areas of industry. Some of their system applications include altitude and space simulation, package testing, degassing, potting, brazing and joining, vacuum bake-out and drying, research and instrumentation and product testing. Their team is dedicated to providing innovative vacuum technology systems that help you achieve your goals.

LACO Labs: Leak Standards & Vacuum Gauge Calibration

LACO manufactures a wide variety of gas leak standards to meet the needs of virtually all applications and covering a flow range from 10-10 to 1,000 atm-cc/sec. LACO CalMaster™ leak standards are backed by a lifetime 

product warranty and include a NIST traceable, A2LA accredited calibration certificate to ISO 17025-2005 and ANSI Z540-1-1994 standards.


In addition to leak standard manufacturing, 

LACO provides NIST Traceable calibration services for all types of leak standards and vacuum gauges. Their A2LA Accredited 

calibration lab complies with ISO/IEC 17025-2005, ANSI/NCSL Z540-1-1994, and with the ISO-9001 quality standard. LACO’s responsive technical support staff ensures fast delivery of a broad calibration range that encompasses all leak standard brands and vacuum gauge types.

Vacuum Chambers

LACO engineers a broad range of vacuum chambers using common materials and dimensional configurations to make shopping for a vacuum chamber easy and cost effective.


  • Both standard and custom chamber designs

  • Durable construction

  • Many vacuum chambers in stock 


Start with one of our standard vacuum chambers and add vacuum components and vacuum pump to create a complete, low cost vacuum system. Also all of our standard chambers can be customized for length or height and additional ports and feedthroughs can be quoted upon request. Our application engineers can customize any vacuum chamber to meet the needs of your application.

Production Leak Detectors

Thin Film Coaters

Vacuum Pumps

Thin Film Web Coaters
Helium Leak Detector

Mass Flow Controllers


Helium Leak Detector
Helium Leak Detector

Vacuum Gauges

Portable Leak Detectors