RKI Instruments GX-3R Pro Special Agricultural Version with O2,LEL,CO,PH3 Sensors

Was: $1,160.00
Now: $1,044.00
2.00 LBS
Calculated at Checkout
The RKI Instruments GX-3R Pro Special agricultural version with O2,LEL,CO,PH3 sensors is the smallest gas detector of its kind. It's easy to use and calibrate.
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RKI Instruments GX-3R Pro Special Agricultural Version with O2,LEL,CO, PH3 Sensors

The GX-3R Pro's PH3 sensor has a range of 0 - 20.00 ppm, and with a resolution of 0.01 ppm.

This version includes the rechargeable battery and charger

Click here to learn more from RKI Instruments website


The GX-3R Pro is the world’s 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 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, 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.

Features Summary

  • Smallest & lightest 5 gas monitor
    • 2.9″ W x 2.6″ H x 1.06″ D , 4.58 ounces
  • Simultaneous detection of 5 gasesSimple 2-button operation
    • LEL, O2, H2S, CO, and other optional sensors
    • H2 Compensated CO sensor available
  • Bluetooth communication with iOS & Android App
  • Non-Compliance Indicator
  • 3 user adjustable alarm levels
  • Panic AlarmMan Down AlarmImpact resistant body
    • Tap instrument twice
  • 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