GX-3R Pro Operator’s Manual Chapter 2: Description • 14
Chapter 2: Description
Overview
This chapter describes the GX-3R Pro instrument and its accessories.
Instrument Description
Case
The GX-3R Pro’s sturdy, high-impact plastic case is radio frequency (RF) resistant and is suitable
for use in many environmental conditions, indoors and out. The case is dust proof and water
resistant. A clear plastic window on the front of the case allows for LCD viewing. The black
bottom cover, located on the bottom of the case, allows access to the filters and sensors. A sensor
retainer and filter gasket help orient and retain the sensor and filters.
Three threaded inserts on the back of the case allow for installation of an alligator clip or belt clip.
LCD
A digital LCD (liquid crystal display) is visible through a clear plastic window in the top case.
The LCD simultaneously shows the gas reading for all installed sensors. The LCD also shows
information for each of the GX-3R Pro’s operating modes.
WARNING: A thin protective film covers the display to prevent scratches during shipping.
Remove this film before use. Leaving the film installed voids the intrinsically safe
certification.
GX-3R Pro
POWER
MODE
AIR
BackFront
LCD
Alarm
LEDs
Buzzer
Opening
Charging
Socket
Sensor
Retainer
Bottom
Cover
Threaded
Inserts
CO/H
2
S LEL O
2
TOXIC
Figure 1: Component Location
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