Safety Instruments Inc. is a manufacture representative. Safety Instruments Inc. sells portable and fixed (stationary) air monitors. We offer In-House as well as On-Site calibration services, on a variety of portable and fixed (stationary) monitors. All equipment is tested, inspected and calibrated to meet manufacture performance specification.  We us NIST weight traceable standards to calibrate.  

Safety Instruments stocks spare parts, accessories and calibration gases for immediate delivery.



Air monitors require regular calibration. These meters have sensors that are similar to a battery in design.  Sensors have a typical shelf and working life of 2-3 years. We use NIST Weight Traceable  gas standards, as specified by the manufacturer, to calibrate each gas detector we service. OSHA outlines the verification and calibration of direct reading portable gas monitors, at the following link  Calibrating and testing of Direct-Reading Gas Monitors

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Tech Support

We provide free technical phone support, to our customers. Our factory trained technicians can answer your questions and provide you with the information and equipment you need for your application.


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Sales and Customer Service

Contact Customer Service Toll Free at 1-877-832-4737 for help in selecting the best air monitor for your application.

Our inside sales dept. have experienced professionals that can answer all your questions regarding this equipment.

What our clients think about us

Safety Instruments has been servicing our gas detection equipment for years.  We would recommend them to others.
John Mota
Maintenance Supervisor
NAES Corporation

Safety Instruments is a valued partner. I rely on them for fast and expert service.
Pedro L. Herrera, FMP
Integrated Facilities Manager
Cushman & Wakefield

Safety Instruments people are knowledgeable and helpful.  Their staff are well trained and provide the best service.
Al Patane
NE Sales Manager
Sierra Monitors Corp

“Safety Instruments provides fast, prompt service.  I am very happy with the fast turn around and quality of their work.”

Lou Merkle
Safety/Compliance Director
Peckham Industries