User Manual

Model GP-01 O
p
erator’s Manual Introduction • 5
Introduction
Using an adv anced microprocessor controlled detection system, the Model
GP-01 Single LEL Gas Monitor detects the presence of combustible gas
(e.g., methane, CH
4
) as a percentage of LEL (lower explosive limit). The
Model GP-01’s compact size and easy-to-use design makes it ideally
suited for a wide range of applications, including sewage treatment plants,
tunnels, hazardous waste sites, petrochemical facilities, oil elds, mines,
and chemical plants. The Model GP-01 is even small enough to be placed
conveniently in a pocket. The Model GP-01 offers the following features:
Compact design
•Fast, accurate response with digital liquid crystal display (LCD)
Visual, audible, and vibration alarms
Microprocessor control for reliability, ease of use, and advanced
capabilities
•Peak readings
Gas, battery, sensor failure, and system failure alarms
CSA certied for intrinsic safety in Class I, Division I, Groups A, B, C,
and D hazardous atmospheres
WARNING: The Model GP-01 detects combustible gas, which can be
dangerous or life threatening. When using the Model GP-
01, 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 injury.