Introduction; Figure 1: Siemens Gas-Guard - Siemens GAS-Guard 8 Operation And Maintenance Manual

810-1734-00 Rev A GAS-Guard 8 and GAS-Guard 3 Operations and Maintenance Guide

Introduction

The Siemens GAS-Guard is an on-line laboratory-grade gas chromatograph. The GAS-Guard detects
and measures fault gases found in the cooling oil of power transformers. The GAS-Guard is designed
and constructed to operate under those environmental conditions typical of a power substation or
generating facility.

Figure 1: Siemens GAS-Guard

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