・World’s smallest and lightest 5 gas leak detector monitor
・3-year warranty
・Compatible with 11 languages
・Connect with Bluetooth
・Water and dust resistant, IP66/68
・Loud alarm buzzer 95dB at 30cm


MODEL GX-3R PRO | Portable Gas Monitor | Gas Leak Detector | 4 In 1 Gas Detector

The Gx-3R Pro is the world’s smallest 5-gas monitor weighing only about 130g. 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 infrared or toxic sensors. 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, a 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, applicable to both 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.

Refer to catalog or sales personnel for more information.


  • Petrochemical Industry
  • Shipping
  • Iron and Steel Industry
  • Fire Service
  • Thermal Power Plants
  • Automotive Factories
  • Gas Plants
  • Construction Industry
  • Semiconductor
  • Food Industry


Click here for catalog

Click here for manual