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Efficient Gas Monitors in Lethbridge

Need a reliable device for facility area gas monitoring? Our range of gas detectors can meet your needs. At Gateway Safety Services Ltd., our aim is to help our community businesses function safely. That’s why we have partnered with RKI INSTRUMENTS - Gas Detection for Life to supply efficient gas monitors in Lethbridge and beyond. Want to know what all we have in store for you? Check out our product range below. 

For any questions or to enquire about our products’ specifications, feel free to get in touch with our team. We will be happy to help!

Call for Expert Advice: 403-328-8496

Our Products

1. RKI Instruments GX-3R Gas Detector 


The GX-3R is the world’s smallest 4 gas monitor weighing only 3.52 ounces and can comfortably be clipped within a worker’s breathing zone (2.2” W x 2.55” H x 1.02” D). It simultaneously monitors and displays LEL combustibles, O2, CO (Hydrogen compensated CO also available), and H2S.



  • Smallest & lightest 4 gas monitor

  • 2.2″ W x 2.55″ H x 1.02″ D, 3.52 ounces

  • Simultaneous detection of 4 gases

  • LEL, O2, H2S & CO

  • H2 Compensated CO sensor available

  • Simple 2-button operation

  • Non-compliance indicator

  • Alarms: audible, visual & vibration

  • 3 user adjustable alarm levels

  • 25 hours of operation (Lithium-ion battery)

  • Water and dust resistant design, IP66/68

  • 3 Year warranty

2. RKI Instruments  GX-3R Pro Gas Detector with Wireless Communication

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces. It simultaneously monitors and displays 5 different gases. The GX-3R Pro comes equipped with bluetooth wireless communication, man-down alarm, the choice of alkaline or rechargeable power supply, and a 3-year warranty. 



  • Smallest & lightest detector

    • 2.9″ W x 2.6″ H x 1.06″ D , 4.58 ounces

  • Detect up to 5 gases simultaneously

    • Confined space: LEL, O2, H2S, CO

    • Toxics/IR sensors: HCN, NH3, NO2, PH3, SO2, and CO2

    • H2 Compensated CO sensor available

  • Simple 2-button operation

  • Bluetooth communication with iOS & android app

  • Non-compliance indicator

  • 3 user adjustable alarm levels

  • Panic alarm

  • Man down alarm

  • Impact resistant body

  • Large full dot, auto-backlit display with auto-rotation

  • Stealth mode for law enforcement

  • Field replaceable sensors & filters

  • Water and dust resistant design, IP66/68

  • 3 Year warranty*

3. RKI Instruments  GX-2012 (ideal for line purge testing)

With GX-2012, you get 3 operating modes. It can be used for confined space, safety monitoring in it’s Normal Operating mode; for leak investigation in Leak Check mode; and for underground leak checking in Bar Hole mode. When equipped with an optional TC sensor, the GX-2012 can measure 100% volume methane and dynamically auto range from % LEL to % volume. This is ideal for line purge testing.



  • Monitors ppm LEL, % volume methane, O2, CO and H2S

  • 0 to 100% volume methane option

  • Auto-ranging display of % LEL and % volume

  • 3 Operating modes: normal, leak check, & bar hole

  • PPM leak detector

  • Adjustable display ranges

  • Visual/audible pulses change with gas concentration

  • CO display in leak check mode

  • Bar hole test mode for underground leak checks

  • Internal sample drawing pump with up to 50′

  • Vibration, visual, and audible alarms

  • Automatic backlight during alarms

  • Lithium ion or alkaline battery packs (interchangeable)

  • Intrinsically safe, ATEX/IECEx/CE or CSA/CE (optional)

4. RKI Instruments  04 Series – Single Gas Monitors

The 04 Series single gas monitor is designed to operate for many years with field replaceable sensors and filters. It can be operated continuously for up to 9,000 hours on (2) AAA size alkaline batteries (depending on model) and has 3 preset alarms that are user adjustable. Each version is also equipped with visual, audible, and vibration alarms as standard.



  • Continuously operate for over one year (H2S & CO)

  • Toxic gases include: NH3, Cl2, HCN, NO2, PH3 & SO2

  • CO with H2 elimination

  • CO & O2 Dual sensor

  • Field serviceable

  • Pocket size 2.1”(W) x 2.6”(H) x 0.9”(D), 2.8 ounces

  • Impact, dust, and water resistant (IP-67)

  • Replaceable rubber boot

  • Alligator clip with 360° rotation

  • Audible / visual / vibration alarms

  • Automatic backlight

  • Intrinsically safe, ATEX and C/US approvals

  • 3 Year warranty*

5. RKI Instruments  GX-6000 (6 channels)

The GX-6000 is a game changer. This powerful hand-held instrument is capable of simultaneously monitoring up to 6 gases.  Equipped with a strong internal sample pump, a man-down alarm, a panic alarm, an LED flashlight, and a large auto-rotating LCD display, the GX-6000 can operate as a single gas PID unit or a multifunctional tool utilizing all 6 channels.



  • 5 Operating modes

  • Smallest 6 gas sample draw

  • 2 Interchangeable smart sensor slots

  • 4 PID options: 10.6 (2 ranges) eV, 10.0 eV, and 11.7 eV lamps

  • PID library of over 600 VOCs — Easily switch target VOC from customizable user list or a recently used list

  • Benzene specific version

  • PPM Leak Check mode

  • LEL sensor protection mode

  • Man-down alarm

  • Panic alarm • Auto display rotation

  • Peak-bar display

  • LED Light source

  • Internal sample pump

  • Light weight, small, rugged IP-67

  • Interchangeable battery packs

  • Operates up to 14 hours

  • Field replaceable sensors, batteries, filters and pump

  • Intrinsically safe ATEX / IECEx / cCSAus

6. RKI Instruments  Eagle 2 - portable gas monitor


The EAGLE 2 is the solution for just about any portable gas monitoring situation. Equipped with features that are not available on competitive units, the EAGLE 2 is a powerful instrument that does more than just offer the standard confined space protection for LEL, O2, H2S, and CO. The EAGLE 2 offers easy access to controls such as auto-calibration, alarm silence, demand zero, peak hold, and methane elimination.



  • Monitor up to 6 different gases

  • PPM, % LEL, or % Vol. auto-ranging combustible detection

  • Specialty sensors

  • PID (photoionization detector)

  • Low or high range for VOC detection

  • Fence electrode technology for humidity and contamination resistance

  • Infrared (IR) CO2, % LEL CH4, % Vol. CH4, % LEL HC, % Vol. HC

  • Thermal conductivity (TC) % Vol. H2, % Vol. CH4

  • Smart toxic, plug-and-play sensors NH3, AsH3, Cl2, HCN, PH3, & SO2

  • Hydrogen-specific LEL / ppm sensor

  • Powerful long-life pump up to 125’ range

  • Low flow pump shut off and alarm

  • Methane elimination for environmental use

  • Alkaline 18 hours or NiMH 20 hours capability

  • EPA Method 21 VOC monitoring

  • Internal hydrophobic dust filter

  • External probe with hydrophobic filter

  • Multilingual (5 languages)

  • Ergonomic RFI / EMI / chemical / weather resistant enclosure

  • Intrinsically safe design, CSA approval

  • Datalogging standard

Contact Gateway Safety Services Today!

Get in touch with our team today to find the best options in RKI’s gas detection equipment range. From answering questions on the various products we have to offer to suggesting solutions that uniquely fit your needs, we have you covered.





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