4
1 Outline of model RI-2000R
1-1 Introduction
The model RI-2000R is a NDIR type fixed Nitrogen Dioxide (N
2
O) gas detector. Please
make sure that the gas monitors model you purchased and the model printed on the
cover of this manual are the same.
This manual describes how to handle model RI-2000R (may be described as “this
instrument” in this manual) and its specifications. Very important terms are written in
this manual so please read this carefully, even if you have experience in gas
monitoring. Keep this manual in an easily viewable location.
1-2 Purpose of use
This instrument is a Nitrogen Dioxide gas monitor that detects gas leakage by
drawing in air by a pump and detects it by a NDIR (Non Dispersive Infrared) based
method. The purpose of this instrument is to detect gas and alarm people when it
detects a gas leak.
1-3 Definitions of warnings
To ensure safety in operating and effective usage, these signals are used in this
manual:
DANGER
This warning means threats to lives or serious damage to human bodies and facilities
are predicted in case of misuse.
WARNING
This signal means serious damage to human bodies or facilities are predicted in case
of misuse.
CAUTION
This signal means that minor damage to human bodies or facilities are predicted in
case of misuse.
*
NOTE
This NOTE will show advice on operating.