Riken Keiki 04 Series User Manual

4. Alarm Functions 4-1. Gas alarm types and alarm setpoints
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A gas alarm is triggered if the concentration of the detected gas reaches or exceeds the alarm setpoints shown in the
following table. (Self-latching)
Gas alarm types include the first alarm (WARNING), second alarm (ALARM), third alarm (ALARM H), STEL alarm
(STEL), TWA alarm (TWA), and OVER alarm (OVER).
Alarm type
First alarm
(WARNING)
Second
alarm
(ALARM)
Third alarm
(ALARM H)
STEL alarm
(STEL)
TWA alarm
(TWA)
OVER alarm
(OVER)
Measured
gas name
Sulfur
dioxide
Japan
2.00 ppm 5.00 ppm 5.00 ppm 5.00 ppm 2.00 ppm 100.00 ppm
Export
2.00 ppm 5.00 ppm 100.00 ppm 5.00 ppm 2.00 ppm 100.00 ppm
A gas alarm is triggered if the concentration of the detected gas reaches or exceeds the alarm setpoints shown in the
following table. (Self-latching)
Gas alarm types include the first alarm (WARNING), second alarm (ALARM), third alarm (ALARM H), STEL alarm
(STEL), TWA alarm (TWA), and OVER alarm (OVER).
Alarm type
First alarm
(WARNING)
Second
alarm
(ALARM)
Third alarm
(ALARM H)
STEL alarm
(STEL)
TWA alarm
(TWA)
OVER alarm
(OVER)
Measured
gas name
Nitrogen
dioxide
Japan
3.00 ppm 6.00 ppm 6.00 ppm 5.00 ppm 3.00 ppm 20.00 ppm
Export
2.00 ppm 4.00 ppm 20.00 ppm 1.00 ppm 0.50 ppm 20.00 ppm
SO2
NO2

Riken Keiki 04 Series Specifications

General

Brand	Riken Keiki
Model	04 Series
Category	Measuring Instruments
Language	English