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１．PRODUCT OUTLINE
１－１．Preface
Thank you for choosing our fixed type Oxygen Detector Head GD-F4A-A. Please check that the model
number of the product you purchased is included in the specifications on this manual.
This manual explains how to use the detector and its specifications. It contains information required for
using the gas detector properly. Not only the first-time users but also the users who have already used
the product must read and understand the operating manual to enhance the knowledge and experience
before using the detector.
１－２．Application for use
This is a suction type oxygen detector head applying the galvanic cell type oxygen sensor and is used in
combination with indicator / alarm unit to show oxygen content. Read the instruction manual for
indicator / alarm unit as well as this manual.
This unit is designed as drip-proof construction for outdoor installation.
Also, it can be used as intrinsically safe system in combination with zener barrier (option) to be able to
install in hazardous area.
１－３．Definition of DANGER, WARNING, CAUTION and NOTE
This manual contains the following headings to ensure the safe and effective operation.
This message indicates that improper handling may cause serious damage on
life, health or assets.
This message indicates that improper handling may cause serious damage
on health or assets.
This message indicates that improper handling may cause minor damage on
health or assets.
This message indicates advice on handling.
１－４．Method of confirmation for CE/UKCA marking type
(Non-explosion poof specification only)
The CE/UKCA marking is labeled on the detector in case of comply with CE/UKCA mark (Non-explosion
poof specification only). Please confirm the instrument specification before using. Please refer Declaration
of Conformity that is at the end of this manual if you have CE/UKCA marking type.
You can confirm instrument specification to see the CE/UKCA mark as follows.
DANGER
WARNING
CAUTION
* NOTE
CE/UKCA mark
CE/UKCA mark label
(Non-explosion poof specification only)
Summary of Contents for GD-F4A-A
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