Gas Monitor Calibration, Service and Repair

Your Instrumentation Experts!

Apollo Safety specializes in the calibration and repair of portable instruments and fixed systems. Our technicians are Factory Trained and Factory Authorized for the following types of products:

• Gas Detectors
• Photo Ionization Detectors (PIDs)
• Sound Level Meter
• Noise Dosimeters
• Octave Band Analyzers
• Aerosol/Dust Analyzers
• Indoor Air Quality Monitors
• Anemometers
• Personal Sampling Pumps
• Moisture Meters

We specialize in Gas Detection Products and Services for Portable and Stationary Systems. We offer gas detector sales and support for most major brands of gas detection device manufacturers and provide service in our "state of the art" In-House Service Center, as well as provide On-Site support with our "Factory Trained" technicians for both portable and stationary gas detection systems. Apollo Safety, Inc. is trusted by facilities managers, building owners, landlords, universities, hotels, institutions, and government operations.

Service plans are available for annual, quarterly, or more frequent calibrations. We will schedule service calls and document all calibration work to assist in your record keeping needs.

We can supply calibration gases in any mixture and size, as well as replacement sensors for fixed systems that we didn’t originally install.

We have in-house and on-site service available and use only N.I.S.T. calibration gases to comply with manufacturers specifications. We offer quick turn around as well as emergency services.

Whether you need a simple single-gas personal monitor for CO or H₂S, a rugged multi-gas detector for confined-space entry, or a complete fixed detection system for a wastewater plant, we have the right solution, and the expertise to keep it working.

Apollo Safety Gas Monitors:

Portable Single-Gas Monitors

Ideal for workers who only need protection against one specific hazard (CO, H₂S, O₂, LEL, SO₂, NO₂, etc.). Light, affordable, and extremely reliable.
→ Shop all Portable Single-Gas Monitors

Portable Multi-Gas Monitors

The workhorse of industrial safety — 4-gas, 5-gas, and 6-gas detectors that simultaneously monitor combustibles, oxygen, carbon monoxide, hydrogen sulfide, and other toxic gases. Pumped or diffusion, with datalogging, wireless, and man-down options.
→ Shop all Portable Multi-Gas Monitors

Fixed & Stationary Gas Monitors

Permanent installations for area monitoring, tank farms, compressor stations, boiler rooms, parking garages, and process control. We design, install, calibrate, and maintain multi-point systems from RKI, MSA, Honeywell, Macurco, and more.
→ Shop Fixed & Stationary Gas Monitors

Select the best accessories for your gas monitors. Calibration hoses, iAssign beacons and tags, calibration stations, cases and everything in between. Accessories can extend the usefulness of your gas monitors. No matter what monitor you have, Apollo Safety has the right accessory and replacement parts for you. 

→ Shop Gas Monitor Accessories

Gas Monitor Replacement Parts

Apollo Safety is your one stop shop for all your gas monitor parts! Routine gas monitor maintenance means replacing old or worn out parts. The most common parts, like sensors are field replaceable. Meaning no matter where you are you can always trust your devices will work properly. Stock up on sensors or other common gas monitor parts so you are not left with out a monitor. 

→ Shop Gas Monitor Replacement Parts

Apollo Safety Refurbished Gas Monitors are certified once they pass a factory inspection checklist and an Apollo Safety full multi-point inspection to ensure that all Apollo Safety Refurbished Gas Detectors perform to there original design requirements. Then Apollo Safety goes one step more and backs each meter with a Full One Year Warranty.

Each Apollo Safety Refurbished unit is not only fully tested, but it will be calibrated before shipping. With each monitor, you will recieve virtually all of the durability, reliability and dependable performance of a brand-new monitor.

→ Shop Refurbished and Demo Gas Monitors

Our full gas-monitor capabilities include:

• Factory-authorized service for Industrial Scientific, MSA, RKI, Honeywell, BW, GMI, Macurco, and many others
• In-house and on-site calibration with NIST-traceable gases
• Custom sensor replacement and repair (we stock hundreds of sensors)
• Emergency turnaround service
• Annual service contracts that keep you compliant

Free technical support! Call us before you buy, and we’ll help you pick the right instrument for your exact hazards

Our veteran-owned team has the real-world experience to match the right monitor to your environment, your budget, and your compliance requirements.

Need help choosing the right gas monitor? Call our technical team at 508-673-2544 or use the contact form, we answer the phone and we actually know these instruments inside and out.