Mass 4 Service, Inc.


With over 30 years of experience repairing, maintaining and troubleshooting leak detectors and applications for helium and argon systems, our technicians will help you find solutions for today and tomorrow. All of our work is guaranteed.

Phone support is provided to our customers as part of our service, along with speedy response times, quality replacement parts, and professional in-house service. 


Increase your application reliability, schedule Preventative Maintenance today!

4 Reasons to schedule annual Preventative Maintenance:

»Processreliability & efficient product throughput: reduced downtime

»Optimize sensitivity and dependable leakmeasurements (NIST compliance)

»Reduced Emergency Service Charges

»Earlywarning for operational issues on systems and pumps 

Expert On-site Service and Maintenance for mostHelium Leak Detector models


NIST Traceable HeliumLeak Standard Re-certification


Vacuum Pump RebuildService for Helium stable pumps: mechanical vane, scroll sets, turbo pumps

Introducing the LabBuddy, with a SST work-surface and M4P tablet control of your Agilent VS Series Leak Detectors


Operator TrainingWorkshops – on-site, ask for a syllabus

Call800-910-4356 or Visit our website:



1282 Alma Court
San Jose, California 95112
United States of America

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