Riken Keiki GD-F3A-SC-A, Operating Manual

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１．PRODUCT OUTLINE
１－１．
Preface
Thank you for purchasing our fixed type Oxygen Detector Head GD-F3A-SC-A.
First of all, verify that the model number of this product is identical with specifications
described in this manual. This manual is a guide to operation of the GD-F3A-SC-A. All
persons who use unit for the first time and who has ever used this unit are requested to read
through the manual to understand the content before use.
１－２．
Application for use
This is a diffusion 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． Identification of each signal word
This manual contains the following headings to ensure the safe and effective operation.
Indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury or serious damage to the
product.
This signal word is to be limited to the most extreme situation.
Indicates a potentially hazardous situation which, if not avoided,
could result serious injury to the human body or object.
Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury or some damage to the human body
or objects. It may also be used to alert against unsafe practices.
This means “ADVICE” regarding operation.
DANGER
WARNING
CAUTION
* NOTE