
Innovations in Comfort, Energy Efficiency, and Safety Solutions
Belimo is the global market leader in the development, production, and sales of field devices for the energy-efficient control of heating, ventilation, and air-conditioning systems. The focus of their core business is on damper actuators, control valves, sensors, and meters.
Founded in 1975, the company employs over 2,300 people and has been listed on the Swiss Exchange (SIX) since 1995. The quality of Belimo’s worldwide production facilities is confirmed by various certifications and standards achieved. Their company procedures ensure that their products are top quality, extremely reliable, and competitively priced. The certificates awarded to their worldwide production facilities confirm this.

Belimo Family of Gas Monitors
Commercial grade gas monitoring devices are factory calibrated and can measure up to two different gases simultaneously. Enhanced communication enables expanded system integration and BMS control with the addition of BACnet MS/TP on select models.
Featuring:
- Seamless Integration
- Modular Design
- Easy Calibration
- Reliable & Dependable

EXT-OP-6021-C Gas Monitor
Belimo refrigerant gas monitors are factory calibrated and monitor one user-selectable refrigerant. They feature audible and visual alarms and CAN bus communication, allowing for standalone operation and the networking of up to 32 devices. Belimo refrigerant gas monitors are used in conjunction with a communication module (C-22G-5A/B/C) and / or a relay unit (C-22G-50) to control external equipment directly.
Available in various refrigerant gas versions: R134A (Default), R11, R22, R23, R32, R123, R125, R404A, R407A, R407C, R407F, R410A, R448A, R452A, R455A, R507, R513A, R1233zd, R1234yf, R1234ze, 0…2000 ppm (gas dependent), CAN bus
Belimo Gas Controllers


Replacement Sensors Available
CO, NO2, CH4, C3H8, CO2, H2, H2S and many more…
Applications:
Parking Structure
Loading Dock
Transport Terminal
Indoor Stadium/Arena
Cold Storage
Refrigerated Processing Areas
Engine Rooms
Battery Charging Area
Maintenance Garage
Hospital/Ambulance Bay
Fire/Police Station
Boiler Room
Hydrogen Tanks
Commercial Kitchen



Audible and Visual Alarm Accessories
Ensure your team is alerted when risks are present with leading audible and visual alarm accessories from Federal Signal.
Federal Signal is at the forefront of innovation, offering advanced signaling products, communication systems, and security solutions designed to protect workers, first responders, and communities. With a legacy that began with the first outdoor siren in 1917 and the pioneering police car beacon in 1948, Federal Signal has continuously pursued advancements in safety technology.
Service & Calibration You Can Trust
Our commitment doesn’t end once a purchase is complete.
With a National Technical Support program, a vast network of factory-trained technicians, and comprehensive calibration and testing programs, we’ll continue supporting you and your team to make sure all equipment and instrumentation is in optimal working order.

One Stop Shop for Your Needs

Get Calibrated
Make sure your devices are properly calibrated.

Book a Service
Ensure your device is in good working order.

Rent Today!
Need a device on short or long term?.