Combustible Gas
>640
Detector
>320
Methane/Propane (ppm)
>160
>80
>40
Ready
3
indicator
1
2
Batt.
OK
4
LOW
5
➊
flexible probe
➋
Sensor cap
➌
indicator LeD
➍
on/off button
➎
Adaptor jack (power adaptor
not supplied with GSD600)
➏
earphone jack (earphone not
supplied with GSD600)
➐
Mute slide switch.
Make sure to take in consideration any left
over methane number when taking a new
reading.
➊
Methane 5 level LeD
➋
propane 5 level LeD
➌
Sensor ready LeD
➍
power on & bat. oK LeD
➎
bat. Low LeD
3