GX-3R Pro Five Gas Personal Monitor



• Smallest & lightest 5 gas monitor
— 2.9″ W x 2.6″ H x 1.06″ D , 4.58 ounces
• Simultaneous detection of 5 gases
— LEL, O2, H2S, CO, and other optional sensors
— 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
— Tap instrument twice
• Man Down Alarm
• Impact resistant body
• Large full dot, auto-backlit display with auto-rotation
• 9 languages
• Field replaceable sensors & filters
• Water and dust resistant design, IP66/68
• 3 Year Warranty

The GX-3R Pro is the worlds smallest 5 gas monitor weighing only
4.58 ounces and fits in the palm of your hand (2.9” W x 2.6” H x 1.06” D).
It simultaneously monitors and displays 5 different gases. In addition to
monitoring standard confined space gases, LEL, O2, CO, & H2S, the
GX-3R Pro has a 5th channel where you can add ppm or % volume CO2
as well as a full line of toxic gases including SO2, HCN, NO2, NH3 and Cl2.
An H2 compensated carbon monoxide sensor is also available. Two of
the four sensor slots have interchangeable sensors providing flexible
configurations, which can easily be changed in the field.

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. The Lithium-ion battery pack will operate for 25 hours
and will fully charge in 3 hours.
The GX-3R Pro utilizes Bluetooth communication to display direct gas
readings from the instrument to a phone app, which is available free on
either iOS or Android phones. Automatic notifications can be programmed
to send text or email messages, if there is an alarm event from the

GX-3R Pro.
Safety supervisors will appreciate the non-compliance indicator. The
instrument flashes it’s 3 LED lights every 30 seconds in the following
conditions; if the instrument has not been bump tested, or if calibration is
due, or if there was a gas alarm event. The 3 LED lights will continue to
flash once every 30 seconds until the non-compliance condition has been
resolved. The 30 second interval is adjustable.


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