G100 Range Page 6 of 48 Copyright Geotechnical Instruments (UK) Limited 2.0 Introduction This manual explains how to use the instrument model types listed below: G100 CO 0-20% G110 CO 0-100% G150 CO 0-10,000ppm Note: The instrument is a sensitive piece of scientific equipment, and should be treated as such. Warning If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment maybe impaired. The Grange has been developed to incorporate the latest technology and specification requirements, which provide the user with a fast, simple-to-use and accurate analyser. Each model has been specifically designed to meet specific application requirements. Apparatus intended for use in residential, commercial, pharmaceutical and light industrial environments.