User Manual
Model GX-2001 O
p
erator’s Manual Introduction • 5
Introduction
Using an advanced detection system consisting of four gas sensors, the
Model GX-2001 Personal Four-Gas Monitor detects the presence of
combustible gas, oxygen (O
2
), carbon monoxide (CO), and hydrogen
sulfide (H
2
S) simultaneously. The Model GX-2001’s compact size and
easy-to-use design makes it ideally suited for a wide range of applications,
including sewage treatment plants, utility manholes, tunnels, hazardous
waste sites, power stations, petrochemical refineries, mines, paper mills,
drilling rigs, and fire fighting stations. The Model GX-2001 offers a full
range of features, including:
• Simultaneous four-gas monitoring of combustible gases, O
2
, CO, and
H
2
S
• Liquid crystal display (LCD) for complete and understandable
information at a glance
• Distinctive audible/vibrating alarms for dangerous gas conditions and
audible alarms for unit malfunction
• Glow in the dark control buttons.
• Microprocessor control for reliability, ease of use, and advanced
capabilities
• Alarm trend data
• Data logging functions
• STEL and over range alarm display
•Peak hold and average readouts
• Built-in time function
• RF shielded and high impact plastic case of very compact size and light
weight
• Belt clip for “hands-free” gas monitoring
• CSA classified for Class I, Division I, Groups A, B, C, and D hazardous
atmospheres
WARNING: The Model GX-2001 detects oxygen deficiency and
elevated levels of oxygen, combustible gases, carbon
monoxide, and hydrogen sulfide, all of which can be
dangerous or life threatening. When using the Model GX-
2001, you must follow the instructions and warnings in
this manual to assure proper and safe operation of the
unit and to minimize the risk of personal injury.