GA5000 Gas Analyzer
OMGA5KN4.6
Page
58
of
73
START
END
If using GAM
Set up GAM &
UPLOAD to
analyser
Air Purge
Instrument screen
Disconnect all tubing
and allow analyser to
purge with fresh air.
Select soft-key ‘Next’
If using GAM
Download
readings to GAM
GO TO select or
add borehole ID
YES
Select Technician
ID if required or
soft-key ‘Skip’
Select
soft-key
‘Next ID’
Main Gas Read
Screen
Instrument
warm up
Move the clear sample tube to the blue
port. The yellow exhaust tube should be
vented to a safe distance from the user.
Do NOT re-circulate back into the system.
Are you
using a
temperature
probe?
Wait for
Pump
to run
(i)
Attach temperature
probe
Insert temperature
probe into the
sample point
Main Gas Read
Screen
Take another
reading?
NO
Select or Add
Borehole Id and
press the ‘Enter’
key
If configured -
operator may locate
sample point using
GPS
Wait then
select
soft-key
‘Continue’
If required select soft-
key ‘Special Action’ to
update site & ID
question
Select
soft-key
‘Exit’
Main Gas Read
Screen
Main Gas Read
Screen
(ii)
Select
soft-key
‘Start’
Connect the clear sample tube to the
sample point. The yellow exhaust
tube should be vented a safe
distance from the user or
re-circulated back into the system.
Wait for the initial
readings to
stabilise
Select
soft-key
‘Next’
Gas Readings
Fixed
Select
soft-key
‘Dismiss’
Wait for reading to
stabilise
(iii)
KEY:
(i) If GPS configured the first reading will display a
warning message. Select soft-key ‘Dismiss’ to continue.
(ii) To flow at any point select soft-key ‘Special Action’
followed by key 4 ‘Flow’.
(iii) If no pipe diameter entered, the anemometer
measures the velocity reading in m/s.
NOTE: To restart a reading select soft-key ‘Special
Action’ followed by key 1 ‘Restart Process’.
Are you
measuring
internal flow?
Take a second
rel. pressure
reading (if required)
Select
soft-key
‘Next’
or
‘Store’
Taking a relative pressure reading
Taking an flow reading (internal flow or anemometer)
Taking a gas measurement reading
Soft-key ‘Special Action’
Key in the temperature
select soft-key 5
‘Temperature’
Zero Transducers
screen
Disconnect all tubing from the
sample points and wait for
readings to stabilise. Select soft-
key ‘Next’ to continue
if readings return to zero,
otherwise to remove an offset
perform a zero
Select
soft-key
‘Next’
Connect the clear tubing to the sample point. The
yellow and blue tubing must be vented to
atmosphere to allow the pressure transducer to
measure relative to atmosphere, do NOT re-
circulate back into the system. The connection of
the blue tube is not important.
Select
soft-key
‘Next’
Main Gas Read Screen.
Wait for relative pressure
reading to stabilise
Pressure Readings
Fixed
Select
soft-key
‘Next’
Select
soft-key
‘Next’
Main Gas Read
Screen
YES
Select
soft-key
‘Flow’
Change the ‘Flow
Options’ if required.
Select soft-key ‘Flow
Options’
Zero Flow if not Zero.
Select soft-key ‘Zero
Flow’
Select
soft-key
‘Start’
Main Gas Read
Screen
Key in the
temperature and
press the ‘Enter’ key
Gas Measurement
screen
YES
NO
Select
soft-key
‘Next’
Attach
anemometer
NO
Select soft-key ‘Flow’
Readings stored
successfully
Select
soft-key
‘Store’
