G200 Analyser Range
OMG200N1.23
©
Copyright 2010 Geotechnical Instruments (UK) Limited
Page
17
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Note: A red backlight is displayed if the pump is stalled or the alarm is activated. For
further information, please refer to section ‘5.12.2.3 Alarms’ or section ‘5.12.2.5
Flow Fail’.
5.5 Changing Between Parameters
By default, the instrument displays the ‘Main Read Screen’ (for gas measurement). The
instrument will return to this screen after power on or when returning from the menus. The
‘Scroll’ keys can be used to switch to another measurement screen. Continue to press the
‘Scroll’ keys to return to the ‘Main Read Screen’.
5.6 Memory
The memory should not be used as a permanent storage medium and any important data
should be transferred to a more permanent storage medium as soon as possible. The
instrument should not be stored for prolonged periods with valuable data in its memory.
5.7 Storage
When not in use the instrument should be kept in a clean, dry and warm environment, such
as an office. It should be stored flat with the stand folded away which helps prolong the life
of the O
2
cell.
5.8 Warning and Error Codes
When switched on the instrument will perform a predetermined self-test sequence taking
approximately ten seconds. During this time many of the instrument’s working parameters
and settings are checked. If any operational parameters are out of specification or if the
pre-programmed recommended calibration/service date has passed, errors or warnings may
be displayed.
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Note: For further information please refer to section ‘8.0 Problem Solving’.
5.9 Battery/Charging
The battery used in the instrument is a 2 Ah Lithium-Ion cell. The instrument must be
charged using the power supply supplied with your instrument. The power supply supplied
is intended for indoor use only. Please ensure adequate ventilation whilst charging.
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Note: The instrument can also be charged via the USB connector.
When plugged into the power supply the instrument will power on and display charging.
When complete the display will change to show that the instrument is charged. To switch
the instrument ON whilst charging or charged is displayed the operator will need to switch
the instrument off and then on again.
Instrument:
Power Supply:
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Note: A full charge will take approximately 3 hours. Typically, a fully charged battery
will last 8-10 hours.
When the instrument is already powered on, the operation is slightly different as the battery
Input 100 – 240V ~ 60/50 Hz 120mA
Output 5V 1000mA 5VA
Input 100 – 240V ~ 60/50 Hz 120mA
Output 5V 1000mA 5VA
Output 5V 1000mA 5VA
Input 5VDC
±
0.5V(max 1000mA)