Crowcon Gas-Pro Manuel de démarrage rapide - Page 2
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SET-UP
Prior to use
Before use, the Gas-Pro should always be checked for any signs of physical
damage.
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Read and understand the User and Operator manual prior to use.
Gas-Pro orientation
Figure 1: Gas-Pro
D-ring
Operator button +ve Safety™ indicator
Alarm bars Sensor apertures Dual colour LCD display
Sounder
Pump inlet/outlet Alligator clip
DISPLAY
Home Screen
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Gas-Pro simultaneously displays up
to 5 gases.
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The dual colour backlight aids
recognition of alarm events.
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The home icon will invert to show normal operation.
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The backlight is green and changes to red during an alarm highlighting
the gas in alarm.
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OPERATION
Switching On/Off
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In clean air turn on the Gas-Pro by holding down the operator button
for 3 audible blips. The Gas-Pro will warm up, going through a series of
automatic processes.
•
To turn off, press and hold the operator button. During the 4 second
countdown hold the button down until the countdown has fi nished.
Quick View
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A momentary press of the operator button allows the user to see the gas
type and unit, battery level, user and +ve Safety™ status.
Alarms
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Gas-Pro offers audible, visual and vibrate alarms as standard.
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Each gas has 2 instantaneous alarms and toxics also have TWA alarms.
The operator has the option to Resume TWA alarm monitoring after
powering-off (software version 1V25 and higher).
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When in alarm the display backlight will change from green to red and
highlight the gas in alarm.
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When the Gas-Pro warns of a low battery, the sounder will emit an audible
double blip every 5 seconds and the +ve Safety™ LED will go red. This
Charging cable
means the battery has at least 30 minutes of battery life remaining. After 30
Certifi cation label
minutes the Gas-Pro will enter full alarm state and the battery icon will fl ash
empty as shut down is imminent.
Backlight
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The backlight is confi gurable but set as standard to come on at the press
of the operator button or during alarm.
Pump
Please refer to the Safety Information in section 2.4.2 of the Gas-Pro User &
Operator Manual before using pumped/sampling mode.
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If the internal pump option has been chosen, the pump is activated by
attaching the pumped fl ow plate.
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Ensure the gasket is clean and undamaged prior to placement.
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USER MENU
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the Portables-Pro PC application.
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The pump test will activate every time the fl ow plate is attached the
user will be prompted to cover the inlet to ensure a tight seal. Gas-Pro
will indicate a pass or fail, if failed the fl ow plate should be removed,
checked and reapplied.
Access the user menu by double clicking the operator button, then
scroll through the menu using single clicks. Once the correct function
is highlighted, double click to choose.
Zero
During start-up the operator has the option to perform an autozero, or
leave the countdown if an autozero is not required/possible.
A manual zero can be performed at any time following start up and is
needed less than 15 minutes prior to running a manual calibration.
Time Weighted Average (TWA)
This function allows the 8 hour TWA to be reviewed.
Pre- Entry Check (PEC)
This function is intended for sampling air of unknown quality before
gaining access to it (e.g. going under ground through a manhole
cover) thereby avoiding unnecessary exposure.
Peak Review
This function allows the highest level of each gas detected to be
reviewed during the last 8 hours, 12 hours or since turned on.
Flammable Correction factor. Only available for
pellistors.
This option selects the fl ammable gas correction factor to be used for
fl ammable (pellistor) sensors with respect to the base calibration of
methane.
Settings
User setting: Up to 5 different users can be loaded into Gas-Pro using
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