Riken Keiki GD-10X Series, Operating Manual

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1 Outline of the Product 1-1. Preface
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1
Outline of the Product
1-1. Preface
Thank you for choosing our fixed type oxygen detector head GD-1OX/GD-1DOX. 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 two models: GD-1OX, GD-1DOX and their 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.
Note that the detector cannot be used alone. Use it with the dedicated indicator/alarm unit. Be sure to read
the operating manual of the indicator/alarm unit as well.
GD-1OX Diffusion type
GD-1DOX Suction type
1-2. Purpose of use

This detector is a fixed type gas detector head that detects oxygen and performs the alarm activation
when the gas concentration is over the setting value.

The detector is a safety unit, not an analyzer or densitometer which performs quantitative/qualitative
analysis/measurement for gases. Please fully understand the features of the detector before using it,
so that it can be used properly.

The detector detects abnormalities in the air caused by presence of gases or other reasons (leak) with
the built-in gas sensor.

The suction type of the detector uses an external pump, etc. to introduce gas and performs gas
detection.

Use the detector in combination with an indicator/alarm unit that indicates an oxygen concentration
and triggers an alarm.
1-3. Definition of DANGER, WARNING, CAUTION and
NOTE
DANGER
This message indicates that improper handling may cause serious damage on
life, health or assets.
WARNING
This message indicates that improper handling may cause serious damage on
health or assets.
CAUTION
This message indicates that improper handling may cause minor damage on
health or assets.
NOTE
This message indicates advice on handling.