5. Commissioning, operation
Alarm signals
To make the operation of the gas presence detector easier, there are various integrated
visual alarm signals connected to the gas concentration.
The SF₆ gas presence detectors with measuring range 0 ... 2,000 ppm
alarm signals in addition.
SF₆ gas version, measuring range 0 ... 2,000 ppm
SF
gas concentration
6
in ppm
v
0 - 30
30 - 100
100 - 1,000
1,000 - 2,000
> 2,000
SF₆ gas version, measuring range 0 ... 50 ppm
SF
gas concentration
6
in ppm
v
0 - 1
1 -10
10 - 50
> 50
WIKA operating instructions gas detector, model GIR-10
Visual alarm signal
Display indicates exact
value
green LED, < 100 ppm
v
Display indicates exact
value
green LED, < 100 ppm
v
Display indicates exact
value
yellow LED, > 100 ppm
Display indicates exact
value
red LED, > 1,000 ppm
v
Display indicates > 2,000
red LED, > 1,000 ppm
v
Visual alarm signal
Display indicates exact value
green LED, < 1 ppm
v
Display indicates exact value
yellow LED, > 1 ppm
v
Display indicates exact value red LED, > 10 ppm
Display indicates > 50
red LED, > 10 ppm
v
v:
Acoustic alarm signal
-
Increase of the tone sequence
depending on the SF₆ gas
concentration
Acceleration of the tone sequence
depending on the SF₆ gas
concentration
v
Constantly fast tone sequence
Continuous tone
:
v
feature acoustic
v
v
17
EN