Gas Data GFM400 Series, Руководство пользователя

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Temperature/Velocity port
Gas out
dp +ve
Battery charger
socket
After you have switched the instrument
on, the display screen will first show the
start-up banner, recalibration date and
serial number. A battery condition
indicator at the top right-hand of the
screen keeps you informed about the
state of charge of the battery.
Press the ‘Next’ key and the instrument will switch to the gas measurement mode.
The screen will display the last retained
readings indicated by the highlight area
around the gas figures.
Connecting the gas pipe
Connect the flexible plastic gas pipe to
the Gas In port on the top of the
GFM400 or GFM410 instrument. The
port will automatically lock the pipe in place,
preventing it from being pulled off accidentally.
Connect the open end of the gas pipe to the gas
tap or sample point on the pipework to be
checked.
Press the ‘start pump’ key on the instrument, then
open the gas tap to allow the gas to flow through
the instrument. A series of moving chevrons at the
top right-hand corner of the display screen
7 GFM400 Series User Manual
G F M 4 0 0 S E R I E S
Take great care
when connecting
the pipe to the gas
tap to avoid gas
leakage.
GFM400 Series
U S E R M A N U A L
Connections
Gas in
Gas measurement