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EII CO Technical User Manual
Document Ref: P0107-801-00 - February 2011
Page 6
1 Introduction
1.1 Scope of this Manual
This Technical manual is supplementary to the EII CO User Manual (P107-800). This manual
details the procedure for performing a zero and span calibration of the EII CO. For general
details of using and maintaining the EII CO please refer to the EII CO user manual
1.2 About the EII CO
The EII CO carbon monoxide analyser is designed to measure CO levels in the range 0 to
50ppm for tank CO level checking.
The EII CO is ergonomically designed, and equipped with several features to ensure ease of
use and reliability. The instrument has been designed to be held in the left hand to facilitate
checking your tank. It is fitted with a large digital display and incorporates an internal
electrochemical carbon monoxide sensor. Power is provided by a 9V battery which will last
for approximately 1 year before replacement is necessary. The EII CO will automatically
switch off after 10 minutes to ensure battery life is not compromised if the instrument is
accidentally turned on.
The EII CO is water and drop resistant. Designed specifically for the diving industry – whether
you may be a Sport, Commercial or Military diver - where hostile environmental conditions are
the norm not the exception.