Riken Keiki EC-6002, Operating Manual

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1 Outline of the Product 1-3. Definition of DANGER, WARNING, CAUTION, and NOTE
- 3 -
RM-6000

The gas detection and alarm system is a safety unit, not an analyzer or densitometer which performs
quantitative/qualitative analysis/measurement for gases. You must understand the features of the
indicator/alarm unit before using it, so that you can use it properly.

The indicator/alarm unit displays a gas concentration on the character LCD (digital and bar meter display
<three colors of green, yellow, and red>) according to a signal from the detector head. Gas
concentrations are displayed in different colors according to danger levels, i.e., in green if neither of the
alarm setpoints is exceeded, in orange if the first alarm setpoint is exceeded, and in red if the second
alarm setpoint is exceeded.

The indicator/alarm unit has two-step gas alarm contact and fault alarm contact.

The indicator/alarm unit outputs gas concentration in 4 - 20 mA or digital data (RS-485: option).
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.
1-4. Method of confirmation for CE marking type
The CE marking is labeled on the detector in case of comply with CE mark. Please confirm the instrument
specification before using. Please refer Declaration of Conformity that is at the end of this manual if you
have CE marking type.
CE mark label
CE mark