RKI Instruments GD-70D Series - Manual (Page 43)

5 Alarm Test Mode
- 43 - GD-70
5
Alarm Test Mode
This is used when dummy signals the same as the signals of the gas concentration are generated to check
the alarm lamp activation of the detector and the transmission to external circuits.
Alarm Test Mode
PW A1 A2 F LCD
Detection Mode
Press the TEST key for three seconds.
● ○ ○ ○ 0.0ppm
SIH4
↓ ↓
● ○ ○ ○ 0.0ppm
TEST OFF
MAINTENANCE
Alarm Test Mode
The message "TEST ON" is displayed
when the contact is activated in the
alarm test, while the message "TEST
OFF" is displayed when not activated.
(The setting can be changed.)
Increase or decrease the reading by
pressing the ▲ or ▼ key.
↓
↓
● ○ ○ ○ 5.0ppm
TEST OFF
MAINTENANCE
First Alarm
When the reading reaches the first
alarm, the ALM1 lamp lights up. (When
Contact ON is selected, the first alarm
contact is activated.)
↓
↓
Second Alarm
When the reading reaches the second
alarm, the ALM2 lamp lights up. (When
Contact ON is selected, the second
alarm contact is activated.)
● ○ ○ ○ 10.0ppm
TEST OFF
MAINTENANCE
WARNING
• Before starting the alarm test (transmission test), provide a notification to the related sections so that
they can prepare for false abnormalities (external output signals and alarm contact). After the test is
completed, do not forget to press the TEST key to return to the detection mode.
(If the detector remains in the alarm test mode, it automatically returns to the detection mode in ten
hours.)