Riken Keiki 04 Series User Manual

5. Usage Instrucions 5-6. Checking the gas concentration, alarm setpoints, etc. (display mode)
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Integrated
display or
TWA
display
Displays the integrated gas concentration
value or the TWA value
*
.
The integrated value (A-1H) is the time-
weighted average for gas concentration over
one hour.
The TWA value (TWA) is the time-weighted
average of the gas concentration over eight
hours per day. The value is refreshed every
60 seconds.
* HS-04, SC-04 (SO2, NO2, HCN):
TWA display
* CO-04, CO-04 (C-), CX-04:
Japan models:
Integrated (A-1H) display/
Export models: TWA display
Date and
time
display
Displays the current time and date.
Display example: January 1, 2019, 10:38
Temperature
display
Displays the current temperature.
The temperature indicated by the temperature
display corresponds to the internal
temperature of the product. This value differs
from the actual ambient temperature.
Display example: 24 °C

Riken Keiki 04 Series Specifications

General

Brand	Riken Keiki
Model	04 Series
Category	Measuring Instruments
Language	English