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 fields, 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 certified 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.